Agilent E5810B LAN/GPIB/USB Gateway User’s Guide Agilent Technologies
Notices © Agilent Technologies, Inc. 2013 Warranty No part of this manual may be reproduced in any form or by any means (including electronic storage and retrieval or translation into a foreign language) without prior agreement and written consent from Agilent Technologies, Inc. as governed by United States and international copyright laws. The material contained in this document is provided “as is,” and is subject to change, without notice, in future editions.
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Safety Considerations Read the information below before using this instrument. The following general safety precautions must be observed during all phases of operation, service, and repair of this instrument. Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards for design, manufacture, and intended use of the instrument. Agilent Technologies assumes no liability for the customer’s failure to comply with these requirements.
Environmental Conditions This instrument is designed for indoor use and in an area with low condensation. The table below shows the general environmental requirements for this instrument.
Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC This instrument complies with the WEEE Directive (2002/96/EC) marking requirement. This affixed product label indicates that you must not discard this electrical or electronic product in domestic household waste. Product Category: With reference to the equipment types in the WEEE directive Annex 1, this instrument is classified as a “Monitoring and Control Instrument” product. The affixed product label is as shown below.
Declaration of Conformity (DoC) The Declaration of Conformity (DoC) for this instrument is available on the Agilent Web site. You can search the DoC by its product model or description at the following Web address. http://regulations.corporate.agilent.com/DoC/search.htm NOTE E5810B User’s Guide If you are unable to search for the respective DoC, contact your local Agilent representative.
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Table of Contents 1 E5810B Description E5810B Hardware Description 2 E5810B front panel 2 E5810B rear panel 4 Default settings 5 Typical network connections 6 E5810B Software/Firmware Descriptions E5810B operating features 9 Typical network operation 10 Software/firmware architecture 11 Typical network IP addressing 13 Communicating with the E5810B 16 2 9 Installing the E5810B Installation Flowchart 20 Before Installing the E5810B 21 Check your PC 21 Rack mount the E5810B (optional) 21 E5810B related
Configuring the E5810B for an Enterprise network operation 28 Connecting the E5810B to a Wireless Router 30 Verifying Instrument Communication 31 Find & Query Instruments page functions 32 Installing and Configuring Agilent IO Libraries Suite 33 Configuring a remote GPIB interface 35 Configuring a remote USB interface 36 Configuring a remote RS-232 serial interface 37 Verifying communication from the PC 39 Programming instruments 40 Addressing instruments using VISA and remote IO client Addressing instr
Web access help 68 Updating the E5810B firmware 4 69 Troubleshooting the E5810B Overview 84 Checking the E5810B 86 Checking the E5810B front panel display 86 Checking the E5810B LED indicators 87 Checking the E5810B parameters 88 Checking the Network 89 Checking the Web browser settings 90 Checking other network problems 92 Checking PC Client Connection 94 Verifying PC client connection 94 Checking the Syslog messages 95 Runtime error messages 98 Checking Connected Instruments 5 101 Characteristics
Glossary A 119 Address 119 ASRL 119 B 119 Bridge C 120 Client 120 Controller 120 D 120 Device 120 DHCP 121 DNS 121 E 122 Ethernet (MAC) address F G H XII 119 122 Friendly name 122 122 Gateway 122 Gateway IP address 123 Hostname Hub 123 122 123 123 I 124 Instrument 124 Interface 124 IP address 125 L 126 LAN 126 E5810B User’s Guide
Lock 127 Logical unit N P R 128 Network protocols 129 Proxy server 130 Router RS-232 128 129 130 130 S 131 Server 131 SICL 131 SRQ 131 Subnet 132 Subnet mask 132 Switch 133 Symbolic name 133 U 134 Universal Plug and Play V E5810B User’s Guide 127 134 135 VEE 135 VISA 135 VISA COM 135 XIII
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List of Figures Figure 1-1 Figure 1-2 Figure 1-3 Figure 1-4 Figure 1-5 Figure 1-6 Figure 1-7 Figure 1-8 Figure 1-9 Figure 2-1 Figure 2-2 Figure 2-3 Figure 2-4 Figure 2-5 Figure 2-6 Figure 2-7 Figure 2-8 Figure 2-9 Figure 2-10 Figure 2-11 Figure 2-12 Figure 2-13 Figure 3-1 Figure 3-2 Figure 3-3 Figure 3-4 Figure 3-5 Figure 3-6 Figure 3-7 Figure 3-8 E5810B User’s Guide E5810B front panel 2 E5810B rear panel 4 Direct PC connection 6 Local network connection 7 Enterprise network connection 8 Client system arc
Figure 3-9 Figure 3-10 Figure 3-11 Figure 3-12 Figure 3-13 Figure 3-14 Figure 3-15 Figure 3-16 Figure 3-17 Figure 4-1 Figure 4-2 XVI E5810B 61 E5810B LAN/GPIB/USB Gateway Status page 67 E5810B Web Access Help 68 E5810B LAN/GPIB/USB Gateway dialog box 71 Update firmware (via USB) message dialog box 71 Error message dialog box 72 E5810B LAN/GPIB/USB Gateway dialog box 73 E5810B LAN/GPIB/USB Gateway dialog box (FTP) 74 E5810B LAN/GPIB/USB Gateway dialog box 77 E5810B LAN/GPIB/USB Gateway dialog box (FTP) 77
List of Tables Table 1-1 Table 2-1 Table 3-1 Table 3-2 Table 4-1 Table 4-2 Table 4-3 Table 4-4 Table 4-5 Table 4-6 Table 4-7 E5810B default settings 5 Enterprise network configuration parameters 29 E5810B configuration parameters description 52 Buttons description 65 E5810B front panel display 86 E5810B LED indicators 87 Network configuration problems summary 89 Common Syslog messages 96 Typical Syslog messages 97 Common runtime messages 98 Checking GPIB, USB, and/or RS-232 interface instruments 101 Table
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E5810B LAN/GPIB/USB Gateway User’s Guide 1 E5810B Description E5810B Hardware Description 2 Typical network connections 6 E5810B front panel 2 E5810B rear panel 4 Default settings 5 E5810B Software/Firmware Descriptions 9 E5810B operating features 9 Typical network operation 10 Software/firmware architecture 11 Typical network IP addressing 13 Communicating with the E5810B 16 This chapter describes the E5810B hardware and software/firmware descriptions.
1 E5810B Description E5810B Hardware Description E5810B Hardware Description The E5810B provides a gateway between network- equipped computer systems and GPIB, USB, or RS- 232- based instruments. This section provides an overview of the E5810B hardware.
E5810B Description E5810B Hardware Description 5 1 USB LED indicator The LED (GREEN) flashes to indicate that there is USB instrument activity. 6 RS-232 LED indicator The LED (GREEN) flashes to indicate that there is RS-232 instrument activity. 7 FAULT LED indicator The LED (RED) turns on at power-on while the E5810B is running a self-test. If the LED turns on for more than 10 seconds and there is no IP address displayed on the front panel display, the E5810B may be experiencing hardware failure.
1 E5810B Description E5810B Hardware Description E5810B rear panel +12 VDC 2.0A LAN 6 2 3 1 5 1 1 GPIB RS232 13 9 4 KCC-REM-ATiWCIOP N10149 ICES/NMB-001 ISM GRP 1-A 5 Figure 1-2 E5810B rear panel 1 DC power port Connect the E5810B power adapter to this port. 2 LAN port Connect one end of a LAN patch cable to this port and the other end to a router, switch, or hub for network connection.
E5810B Description E5810B Hardware Description 1 Default settings Table 1-1 E5810B default settings Parameter Default Parameter Default DHCP ON GPIB Address 21 IP Address 169.254.58.10 GPIB Logical Unit 7 Subnet Mask 255.255.0.0 USB SICL Interface Name usb0 Default Gateway 0.0.0.0 RS-232 SICL Interface Name COM1 DNS Server(s) 0.0.0.
1 E5810B Description E5810B Hardware Description Typical network connections The E5810B can be connected directly to a PC, a local network, or an Enterprise network. Measurements can be obtained locally or remotely from GPIB, USB, or RS- 232 instruments. Direct PC connection For direct PC connection, a crossover LAN cable is connected from the E5810B LAN port to the PC. Only a PC can communicate with the E5810B in this connection. E5810B +12 VDC 2.
E5810B Description E5810B Hardware Description 1 Local network connections In a typical local network configuration, a switch or hub is used to connect to the network. Multiple PCs can communicate with the E5810B via the switch or hub. E5810B +12 VDC 2.
1 E5810B Description E5810B Hardware Description Enterprise network connections In a typical Enterprise network configuration, a router or switch is used to connect to the network. E5810B +12 VDC 2.
E5810B Description E5810B Software/Firmware Descriptions 1 E5810B Software/Firmware Descriptions E5810B operating features Remote access to connected instruments via LAN The E5810B allows access and control of up to 14 GPIB instruments, 4 USB instruments via a self- powered hub, and one RS- 232 instrument via a 10BASE- T/100BASE- TX /1000BASE- T Ethernet. The E5810B detects the network and configures itself to the appropriate speed. The E5810B has a standard RJ- 45 LAN connector.
1 E5810B Description E5810B Software/Firmware Descriptions Supports DHCP protocol The E5810B supports Dynamic Host Configuration Protocol (DHCP) to obtain the IP address. By default, DHCP is turned on. DHCP can be turned off and the E5810B can be assigned with a static IP address. Web access The E5810B is built in with Web access. The front panel display allows you to easily set up, configure, and use the E5810B. You can connect multiple E5810B in a test system. Each E5810B creates a separate GPIB bus.
E5810B Description E5810B Software/Firmware Descriptions 1 The E5810B and the connected instruments can be placed anywhere on the network (rather than with a particular controller or a server computer system). This includes networks which span different geographic locations, such as when networked computer systems are located at several different sites. GPIB, USB, and RS- 232 instruments can be located where they are most convenient.
1 E5810B Description E5810B Software/Firmware Descriptions The VISA LAN client software, and TCP/IP LAN software is needed on the client system (PC) to access the E5810B as shown in Figure 1- 6. The E5810B consists of the LAN server and TCP/IP LAN firmware, so that the E5810B can perform as the LAN server. The VISA LAN client software is also known as the Remote IO Client software. It is part of Agilent IO Libraries Suite. The LAN server software is also called the Remote IO Server software.
E5810B Description E5810B Software/Firmware Descriptions 1 If the maximum number of client connections to the E5810B has not been exceeded, the connection is allowed. Although several instruments can be connected to the E5810B GPIB bus, only one I/O application operation can be performed on the GPIB bus at any given time. Therefore, once a client’s request begins to execute on the GPIB, all other client requests for operations on the GPIB must wait until the current client request completes.
1 E5810B Description E5810B Software/Firmware Descriptions Router Default gateway: 156.140.104.1 Subnet mask: 255.255.0.0 Router (gateway) To an Enterprise network E5810B #1 E5810B #2 IP address: 156.140.104.72 IP address: 156.140.104.75 E5810B E5810B +12 VDC 2.0A LAN GPIB RS232 5 1 6 9 1 13 KCC-REM-ATiWCIOP N10149 ICES/NMB-001 ISM GRP 1-A +12 VDC 2.0A LAN GPIB RS232 1 5 1 6 13 9 IP address 156.140.104.73 KCC-REM-ATiWCIOP N10149 ICES/NMB-001 ISM GRP 1-A IP address 156.140.
E5810B Description E5810B Software/Firmware Descriptions 1 Subnet addressing A Subnet Mask is used to determine to which subnet an IP address belongs. An IP address has two components: the network address and the host address. For example, the IP address 156.215.117.109 is part of a Class B network. The first two numbers (156.215) represent the Class B network address and the second two numbers (117.109) identify a specific host on this network.
1 E5810B Description E5810B Software/Firmware Descriptions Communicating with the E5810B There are two methods to communicate with the E5810B via a network — E5810B Web access or a supported programming language with Agilent IO Libraries Suite. Using the E5810B Web access Agilent IO Libraries Suite is not required The E5810B provides a Web server that allows access via the Web. E5810B +12 VDC 2.
E5810B Description E5810B Software/Firmware Descriptions 1 To display the E5810B Welcome page, go to your Web browser and type http:// (if known) or http:// at the address line. You can use the Web access to configure the E5810B and to communicate with the GPIB, USB, and RS- 232 instruments. For example, from the Configuring your E5810B LAN/GPIB/USB Gateway page of the E5810B interface, you can view and modify the configuration of the E5810B.
1 E5810B Description E5810B Software/Firmware Descriptions Using supported programming language To use applications that require the Agilent IO Libraries, you must install and configure the Agilent IO Libraries Suite on each PC to be used for programming. You can then program the connected instruments using a supported programming language, such as C/C++ or Visual Basic using Agilent Virtual Instrument Software Architecture (VISA), VISA COM, or Standard Instrument Control Language (SICL).
E5810B LAN/GPIB/USB Gateway User’s Guide 2 Installing the E5810B Installation Flowchart 20 Before Installing the E5810B 21 Check your PC 21 Rack mount the E5810B (optional) 21 E5810B related documentation 21 Getting Network Information 22 Local network information 22 Enterprise network information 22 Configuring the E5810B on a Local Network 24 Connecting the E5810B to a local network 24 Configuring the E5810B for a local network operation 26 Configuring the E5810B on an Enterprise Network 27 Connecting th
2 Installing the E5810B Installation Flowchart Installation Flowchart Figure 2- 1 shows the installation flowchart to install and configure the E5810B on an Enterprise network or local network.
Installing the E5810B Before Installing the E5810B 2 Before Installing the E5810B Check your PC The E5810B is supported on the following operating systems. • Windows XP • Windows Vista • Windows 7 • Windows 8 • Windows Server 2008 R2 • Windows Server 2012 To communicate with the E5810B, Microsoft Internet Explorer 6 or greater is required (Internet Explorer 7 or greater is recommended for Windows Vista, Windows 7, Windows 8, and Windows Server 2008 R2).
2 Installing the E5810B Getting Network Information Getting Network Information Local network information Before you connect the E5810B to a local network, you will need the required network information, such as the IP addresses. You do not need to obtain any system information from the system administrator in your IT department.
Installing the E5810B Getting Network Information 2 E5810B LAN/GPIB/USB Gateway Information Serial number: __________________________________________ Ethernet (MAC) address: __________________________________________ Default values (for system administrator) DHCP: Enabled at power-on Hostname: No hostname configured Figure 2-2 E5810B LAN/GPIB/USB Gateway information Enterprise Network Information Does the network support DHCP? Yes _____ No _____ If No, provide – IP address (static): _______.
2 Installing the E5810B Configuring the E5810B on a Local Network Configuring the E5810B on a Local Network If you are configuring the E5810B on a DHCP Enterprise network, refer to “Configuring the E5810B on an Enterprise Network” on page 27. NOTE Connecting the E5810B to a local network Switch or Hub connections E5810B +12 VDC 2.
Installing the E5810B Configuring the E5810B on a Local Network 2 Crossover cable connections E5810B +12 VDC 2.0A LAN GPIB RS232 5 1 6 9 1 13 KCC-REM-ATiWCIOP N10149 ICES/NMB-001 ISM GRP 1-A GPIB instrument RS-232 instrument Crossover cable PC 1 5 6 9 USB instrument Figure 2-5 Connecting the E5810B to a local network via a crossover cable Turn on the E5810B and the IP address will be displayed on the front panel display.
2 Installing the E5810B Configuring the E5810B on a Local Network Configuring the E5810B for a local network operation This section provides the guidelines to configure the E5810B on a local network or eventual installation on a non- DHCP Enterprise network. The first step in configuring the E5810B on a local network is to establish communication between your PC and the E5810B. The PC and the E5810B must be on the same subnet in order to establish a connection.
Installing the E5810B Configuring the E5810B on an Enterprise Network 2 Configuring the E5810B on an Enterprise Network NOTE If you are configuring the E5810B on a non-DHCP Enterprise network, refer to “Configuring the E5810B on a Local Network” on page 24 before proceeding. Connecting the E5810B to an Enterprise network E5810B +12 VDC 2.
2 Installing the E5810B Configuring the E5810B on an Enterprise Network Configuring the E5810B for an Enterprise network operation After the E5810B is installed on the Enterprise network, you can set the required configuration parameters using the E5810B Web access. NOTE Refer to Chapter 3, “E5810B Web Access” for more information in configuring the E5810B parameters using the E5810B Web access. 1 Go to your Web browser and type http:// (if known) or http:// at the address line.
Installing the E5810B Configuring the E5810B on an Enterprise Network 2 Table 2-1 Enterprise network configuration parameters IP ADDRESS ASSIGNMENT DHCP Enterprise network Non-DHCP Enterprise network No action is required. The E5810B automatically receives an IP address from the network DHCP server. Set the DHCP setting to OFF, and update the IP Address, Subnet Mask, and Default Gateway with the parameters provided by your system administrator in “Enterprise network information” on page 22.
2 Installing the E5810B Connecting the E5810B to a Wireless Router Connecting the E5810B to a Wireless Router The E5810B supports wireless router connection. This means that you can connect multiple PCs to the E5810B wirelessly. Refer to Figure 2- 7 for more information. E5810B +12 VDC 2.
Installing the E5810B Verifying Instrument Communication 2 Verifying Instrument Communication Select Find & Query Instruments from the E5810B Welcome page and enter the password to verify instrument communication from the E5810B. The default password is E5810. NOTE Refer to Chapter 3, “E5810B Web Access” for more information in configuring the E5810B parameters using the E5810B Web access.
2 Installing the E5810B Verifying Instrument Communication Find & Query Instruments page functions Checking instrument communication 1 Select the SICL address of the connected instrument to be addressed. The selected SICL address will be highlighted. 2 Depending on the instrument selected, you can select the predefined queries button — Device Clear, *IDN?, Read STB, or SYS:ERR? to communicate with the instrument.
Installing the E5810B Installing and Configuring Agilent IO Libraries Suite 2 Installing and Configuring Agilent IO Libraries Suite NOTE You must have Administrator privileges to install Agilent IO Libraries Suite Connection Expert. This section describes how to install Agilent IO Libraries Suite on your PC. The Agilent IO Libraries Suite is a collection of libraries and utilities that gives you the ability to use your instruments from the instrument control software.
2 Installing the E5810B Installing and Configuring Agilent IO Libraries Suite Custom Select the Custom installation to: i Install the IO Libraries Suite in another directory (for 32- bit operating systems only). ii Save disk space by not installing interface manuals. iii Use Agilent 32- bit VISA with another vendor's VISA on the same PC in side- by- side mode. Details on the side- by- side mode are available at www.agilent.com/find/side- by- side- install or in the IO Libraries Suite help.
Installing the E5810B Installing and Configuring Agilent IO Libraries Suite 2 Configuring a remote GPIB interface 1 Launch Agilent Connection Expert from the Start menu or the Start Screen (Windows 8). 2 Select Add interface on the Agilent Connection Expert toolbar. 3 In the Manually Add an Interface dialog box, select Remote GPIB. 4 Select Add to display the Remote GPIB interface dialog box as shown in Figure 2- 10.
2 Installing the E5810B Installing and Configuring Agilent IO Libraries Suite 7 Update the value in the Interface name on remote host: field, if necessary, to match the GPIB SICL Interface Name displayed on the E5810B Welcome page. 8 Select Test connection to verify the connectivity and configuration of the remote GPIB interface. Configuring a remote USB interface 1 Launch Agilent Connection Expert from the Start menu or the Start Screen (Windows 8).
Installing the E5810B Installing and Configuring Agilent IO Libraries Suite 2 6 If the E5810B is on a different subnet from the PC, enter the hostname or the IP address displayed on the E5810B front panel display. 7 Update the value in the Interface name on remote host: field, if necessary, to match the USB SICL Interface Name displayed on the E5810B Welcome page. 8 Select Test connection to verify the connectivity and configuration of the remote USB interface.
2 Installing the E5810B Installing and Configuring Agilent IO Libraries Suite 5 If the E5810B is in the subnet as the PC, select Find Interfaces... to locate and add the remote RS- 232 interface. 6 If the E5810B is on a different subnet from the PC, enter the hostname or the IP address displayed on the E5810B front panel display. 7 Update the value in the Interface name on remote host: field, if necessary, to match the RS-232 SICL Interface Name displayed on the E5810B Welcome page.
Installing the E5810B Installing and Configuring Agilent IO Libraries Suite 2 Verifying communication from the PC After you have configured the remote interface instruments, verify the communication between the PC and the remote interface instruments by using Agilent Interactive IO. NOTE You can also verify the communication between the PC and the remote interface instruments using the E5810B Web access as shown in “Verifying Instrument Communication” on page 31.
2 Installing the E5810B Programming instruments Programming instruments After the communication between the PC and the remote interface instruments is established, you can program the remote interface instruments using Agilent VISA, VISA COM, or SICL to send instrument commands such as SCPI. You can also program in various languages or applications, including Visual Studio .NET languages, Visual Basic, Visual C++, Agilent VEE, and National Instruments LabVIEW.
Installing the E5810B Programming instruments 2 Addressing instruments using VISA and remote IO client After you have created a remote GPIB, remote USB, or remote serial interface in Agilent Connection Expert, you can use ordinary GPIB, USB, or serial addressing in your VISA or VISA COM programs to address instruments on these interfaces. The Remote IO Client software maps the TCPIP address requests into the appropriate interface type (GPIB or ASRL) addresses.
2 Installing the E5810B Programming instruments Use these addresses in your viOpen() call as follows. These examples assume that the VISA interface ID of your TCPIP interface is TCPIP0. (You can specify this interface ID with the Connection Expert utility; TCPIP0 is the default VISA ID for the default TCPIP interface.) viOpen (..."TCPIP0::my_IP_address::gpib0,22::INSTR"...) viOpen (..."TCPIP0::my_IP_address::usb0::INSTR"...) viOpen (..."TCPIP0::my_IP_address::COM1,488::INSTR"...
E5810B LAN/GPIB/USB Gateway User’s Guide 3 E5810B Web Access Web Browser 44 Welcome Page 45 Navigation bar 46 E5810B current settings 47 E5810B support information banner 49 Viewing and Modifying the E5810B Configuration 50 Viewing the E5810B configuration 50 Modifying the E5810B configuration 51 Finding and Querying Instruments 61 Finding instruments 62 Querying instruments 64 Other Web Access Functions 67 Determining the session status 67 Web access help 68 Updating the E5810B firmware 69 This chapter d
3 E5810B Web Access Web Browser Web Browser You can access and communicate with the E5810B using a Web browser as the E5810B is Web- enabled. To communicate with the E5810B, Microsoft Internet Explorer 6 or greater is required (Internet Explorer 7 or greater is recommended for Windows Vista, Windows 7, Windows 8, Windows Server 2008 R2, and Windows Server 2012). To display the E5810B Welcome page, go to your Web browser and type http:// or http:// at the address line.
E5810B Web Access Welcome Page 3 Welcome Page 4 1 2 3 Figure 3-1 E5810B Welcome page 1 Navigation bar 2 E5810B current settings 3 E5810B documentation 4 E5810B support information E5810B User’s Guide 45
3 E5810B Web Access Welcome Page Navigation bar 1 2 3 4 5 6 Figure 3-2 Navigation bar 1 Welcome Page Displays the E5810B Welcome page. 2 View & Modify Configuration Displays the Current Configuration of E5810B LAN/GPIB/USB Gateway page. You can view and modify the current configuration parameters from this page. 3 Find & Query Instruments Displays the Find and Control Instruments Connected to your E5810B page. You will be prompted to enter the E5810B password prior to viewing this page.
E5810B Web Access Welcome Page 4 3 Session Status Displays the E5810B LAN/GPIB/USB Gateway Status page. You can view the current Firmware Revision, LAN Speed at Reboot, Time since Reboot, and Connection Status from this page. 5 Print Page Prints the currently displayed page on the default printer. 6 Help with this Page Displays the Web help page for the currently displayed page.
3 E5810B Web Access Welcome Page 3 IP Address An IP address is a 32-bit numeric address expressed as four numbers separated by periods (for example, 152.160.10.240). 4 GPIB SICL Interface Name Each GPIB interface used by Agilent VISA or SICL must have an SICL Interface Name. For VXI-11 protocol, use gpib0. 5 USB SICL Interface Name The default value for the USB SICL interface name is usb0. 6 RS-232 SICL Interface Name The default value for the RS-232 SICL interface name is COM1.
E5810B Web Access Welcome Page 3 E5810B support information banner 1 2 3 Figure 3-5 E5810B support information banner 1 Support Connects you to the Agilent Contact Us Web page. You can find information about selecting and purchasing products, technical support, equipment service and repair, and training from this Web page. 2 Products Connects you to the E5810B product Web page. You can find the product and service information for the E5810B from this Web page.
3 E5810B Web Access Viewing and Modifying the E5810B Configuration Viewing and Modifying the E5810B Configuration Viewing the E5810B configuration Select the View & Modify Configuration tab from the navigation bar on the Welcome page to display the Current Configuration of E5810B LAN/GPIB/USB Gateway page as shown in Figure 3- 6.
E5810B Web Access Viewing and Modifying the E5810B Configuration 3 Modifying the E5810B configuration Select Modify Configuration from the Current Configuration of E5810B LAN/GPIB/USB Gateway page to modify the E5810B configuration as shown in Figure 3- 6. You will be prompted to enter the E5810B password. The default password is E5810. The Configuring your E5810B LAN/GPIB/USB Gateway page is displayed as shown in Figure 3- 7.
3 E5810B Web Access Viewing and Modifying the E5810B Configuration NOTE • Most changes to the configuration parameters are not effective until you select Save and Reboot E5810B. • To reset the configuration to the factory default settings, press the Preset button on the E5810B front panel for more than 10 seconds.
E5810B Web Access Viewing and Modifying the E5810B Configuration 3 Table 3-1 E5810B configuration parameters description (continued) Parameter Default setting Description IP Address 169.254.58.10 The Internet Protocol (IP) address of the E5810B is a required value and is used for all IP and TCP/IP communications with the E5810B. The IP address is represented in dotted decimal notation (for example, 154.140.222.201). This number is assigned by the system administrator.
3 E5810B Web Access Viewing and Modifying the E5810B Configuration Table 3-1 E5810B configuration parameters description (continued) Parameter Default setting Description Domain Name Server (DNS) 0.0.0.0 A DNS server is an Internet service that translates domain names into IP addresses. Every time you use a domain name, a DNS server will translate the name into the corresponding IP address. For example, the domain name www.example.com might be translated to 198.105.232.4.
E5810B Web Access Viewing and Modifying the E5810B Configuration 3 Table 3-1 E5810B configuration parameters description (continued) Parameter Default setting Description Hostname None The hostname configures the Internet domain name for the E5810B. Hostnames are useful when IP addresses are being assigned by a DHCP server, since the hostname will not change when the DHCP server or the device IP address changes. If a hostname is entered, the E5810B will try to register this name when it boots up.
3 E5810B Web Access Viewing and Modifying the E5810B Configuration Table 3-1 E5810B configuration parameters description (continued) Parameter Default setting Universal Plug & Play [UPnP] ON Description If Universal Plug & Play (UPnP) is enabled, a multicast message is generated and sent about once an hour to the subnet. Enterprise networks will want to decide whether this additional traffic is acceptable. By default, UPnP is not enabled. Check your operating system instructions to enable UPnP.
E5810B Web Access Viewing and Modifying the E5810B Configuration 3 Table 3-1 E5810B configuration parameters description (continued) Parameter Default setting Description I/O Timeout 120 seconds The I/O timeout value sets the server I/O timeout in seconds. It configures the E5810B to use an I/O timeout of the specified amount of seconds if a client requests a timeout of infinity.
3 E5810B Web Access Viewing and Modifying the E5810B Configuration Table 3-1 E5810B configuration parameters description (continued) Parameter Default setting Description USB SICL Interface Name usb0 The USB SICL interface name is the symbolic name of the USB interface in the E5810B. It is used in an Agilent SICL iopen operation to symbolically reference the USB interface in the E5810B.
E5810B Web Access Viewing and Modifying the E5810B Configuration 3 Table 3-1 E5810B configuration parameters description (continued) Parameter Default setting Description RS-232 Bits 8 The RS-232 bits are the number of bits that comprise a byte of data. The available number of RS-232 bits for the E5810B are 5, 6, 7, or 8. This is the number of data bits in a character frame in the RS-232 serial data transmission. The value is dependent on the peripheral device you connect to the RS-232 port.
3 E5810B Web Access Viewing and Modifying the E5810B Configuration Table 3-1 E5810B configuration parameters description (continued) Parameter Default setting Description Ethernet (MAC) Address Factory-set The Ethernet Media Access Control (MAC) address is also known as the link-level address, the Ethernet (station) address, the LANIC ID, and hardware address. This is a unique 48-bit address assigned by the manufacturer for each Ethernet device.
E5810B Web Access Finding and Querying Instruments 3 Finding and Querying Instruments Select the Find & Query Instruments tab from the navigation bar on the Welcome page to display the Find and Control Instruments Connected to your E5810B page as shown in Figure 3- 8. 3 4 5 6 1 7 2 8 Figure 3-8 Find and Control Instruments Connected to your E5810B 1 Displays the list of instruments connected to the E5810B. The selected connected instrument will be highlighted.
3 E5810B Web Access Finding and Querying Instruments 4 Clears the display of all previous queries 5 Select Device Clear, *IDN?, Read STB, or SYST:ERR? to query the selected instrument. 6 Displays the queries results. 7 Enter a command on the Instrument Command line and then select Send, Receive, or Query (sends and receives). 8 Clears all pending operations and expire all existing timeouts on instruments connected to the E5810B.
E5810B Web Access Finding and Querying Instruments 3 Checking for connected instruments If you do not see one or more of your connected instruments in the list, try these steps: 1 Check the cables. Make sure that all the instruments are connected via GPIB cable, USB cable, or RS- 232 cable to the E5810B GPIB port, USB port, or RS- 232 port respectively. 2 Turn on the instrument and select Find at the bottom of the Instruments Connected column. 3 Check Hardware.
3 E5810B Web Access Finding and Querying Instruments Querying instruments After you have successfully found all the connected instruments, you can use the Control Panel for Selected Instrument section of the page to interact with the instruments. There are two ways to interact with the connected instruments — using the buttons at the top of the column or using the Instrument Command line at the bottom of the column.
E5810B Web Access Finding and Querying Instruments 3 Table 3-2 Buttons description Button Description Device Clear Sometimes communication with an instrument may be impeded. This can occur for a wide variety of reasons. Sending a Device Clear command to the instrument usually solves this problem and restores proper communication with the instrument. If you encounter an error while performing a formatted I/O operation, send a Device Clear command to ensure a proper instrument communication is restored.
3 E5810B Web Access Finding and Querying Instruments Using the instrument command line For supported instruments, you can also query an instrument by first highlighting the instrument in the Instruments Connected column, type in a SCPI command, such as meas:volt:dc? on the Instrument Command line, and then select Send, Receive, or Query. To send a command to the instrument without waiting for a response, select Send. Sending a string to the instrument does not return a result.
E5810B Web Access Other Web Access Functions 3 Other Web Access Functions Determining the session status Select the Session Status tab from the navigation bar on the Welcome page to determine the E5810B session status. The E5810B LAN/GPIB/USB Gateway Status page is shown in Figure 3- 9. Select Refresh to update display to the current E5810B configuration. Figure 3-9 E5810B LAN/GPIB/USB Gateway Status page 1 Firmware Revision Displays the current E5810B firmware revision.
3 E5810B Web Access Other Web Access Functions 3 Time since Reboot Displays the time since the last reboot of the E5810B. 4 Connection Status Displays the current status of all open sessions for the E5810B, including the Client IP Address, Session Number, Device/ Instrument Operation (READ), Lock Status, and Device/Interface name. When a device is locked, the device name (such as DEV) appears in the Lock column. In this case, the device cannot be used by anyone other than the user who set the lock.
E5810B Web Access Other Web Access Functions 3 Updating the E5810B firmware NOTE Do not update your E5810B firmware unless you have a specific need to do so, such as defect repair or instrument enhancements. If the firmware update fails, the E5810B will revert to its original firmware version. The E5810B uses a standard File Transfer Protocol (FTP) or via a connected USB drive to perform updates. The E5810B acts as an FTP client and searches for an FTP server that contains the E5810B firmware image.
3 E5810B Web Access Other Web Access Functions Updating the E5810B firmware via a connected USB drive 1 Acquire an image of the E5810B firmware. Obtain the image from your Web browser. You may need to set up an FTP proxy on your Web browser. i On your Web browser, type ftp://ftp.agilent.com/pub/e5810/e5810b/ to connect you to the Agilent FTP server. This page displays the files associated with the E5810B. ii Select the file e5810_B_latest_frimware.hex and save it to the USB drive.
E5810B Web Access Other Web Access Functions 3 Figure 3-11 E5810B LAN/GPIB/USB Gateway dialog box iii Select USB as the firmware update method and select Proceed. NOTE You can also directly access the Updating Firmware page on your E5810B LAN/GPIB/USB Gateway page at http:///dynamicWebFile/firmware_update_login.php, where is the IP address displayed on the front display panel of the E5810B. 4 Perform firmware update.
3 E5810B Web Access Other Web Access Functions ii Ensure that the USB drive with the firmware image file is connected and select OK. iii After you have confirmed the update, the E5810B front panel should display the Updating firmware… message. iv The USB LED should flash, indicating USB activity is taking place. v If the USB drive is not connected or there is no firmware image file found, you will be prompted by an error message dialog box as shown in Figure 3- 13. Select OK and repeat step 3.
E5810B Web Access Other Web Access Functions 3 Agilent FTP site is accessible from the E5810B 1 Verify that the E5810B is idle. Updating the E5810B is a significant activity. Ensure that no other users or programs are using the E5810B before you attempt to update the firmware. You can check the number of open sessions by displaying the E5810B LAN/GPIB/USB Gateway Status page. To open this page, select the Session Status tab on the Navigation Bar.
3 E5810B Web Access Other Web Access Functions Figure 3-15 E5810B LAN/GPIB/USB Gateway dialog box (FTP) NOTE You can also directly access the Updating Firmware page on your E5810B LAN/GPIB/USB Gateway page at http:///dynamicWebFile/firmware_update_login.php, where is the IP address displayed on the front panel display of the E5810B. 3 Check that all the default parameters are correct. • Firmware FTP server Hostname or IP Address: ftp.agilent.
E5810B Web Access Other Web Access Functions 3 4 Perform firmware update. i Select Update Firmware to display the password dialog box. Select OK to confirm the update and the E5810B will attempt to download the firmware from the FTP site. ii After you have confirmed the update, the E5810B front panel should display the Updating firmware… message. iii The LAN LED should flash, indicating LAN activity is taking place.
3 E5810B Web Access Other Web Access Functions NOTE Alternatively, you can directly FTP to the Agilent FTP server at ftp.agilent.com using the anonymous FTP, supplying the user login, and downloading the file at /pub/e5810/e5810b/e5810_B_latest_firmware.hex. 2 Install FTP server program, if needed. You will need to access a standard FTP server program. Refer to “Troubleshooting guidelines” on page 79 for tips to access a standard FTP server. 3 Set up the user account information for the FTP server.
E5810B Web Access Other Web Access Functions 3 Figure 3-16 E5810B LAN/GPIB/USB Gateway dialog box iii Select FTP as the firmware update method and select Proceed to display the page as shown in Figure 3- 17.
3 E5810B Web Access Other Web Access Functions NOTE You can also directly access the Updating Firmware page on your E5810B LAN/GPIB/USB Gateway page at http:///dynamicWebFile/firmware_update_login.php, where is the IP address displayed on the front display panel of the E5810B. 7 Configure the FTP parameters and filename: • Firmware FTP server Hostname or IP Address: Enter the IP address of the FTP server (for example, 192.6.143.
E5810B Web Access Other Web Access Functions 3 9 Verify the firmware revision. When the E5810B is successfully rebooted, verify that the firmware has been downloaded successfully by displaying the E5810B Welcome page and verify that the firmware revision number shows the correct version of the firmware. Troubleshooting guidelines The E5810B records information on the firmware update process in a system log that is viewable through the E5810B Web access or through the E5810B Telnet interface.
3 E5810B Web Access Other Web Access Functions 2 View the system log from Telnet. To view the system log from Telnet, click Start and select Run..., or right- click the bottom- left corner of the Desktop and select Run (Windows 8). Type telnet on the Run dialog box line, where is the IP address displayed on the E5810B front panel display. Refer to Appendix A, “Using the Telnet Utility” for more information on the Telnet utility.
E5810B Web Access Other Web Access Functions 3 ii Manually enter the DNS server address. For the firmware update process to use a domain name, the E5810B must have a DNS setup. If you statically configured the IP address for the E5810B, you will need to manually enter the DNS server address in the Configuring your E5810B LAN/GPIB/USB Gateway page. iii Use the IP address. Try using the IP address of the FTP server instead of the domain name. 4 Check login, password, and firmware name entries.
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E5810B LAN/GPIB/USB Gateway User’s Guide 4 Troubleshooting the E5810B Overview 84 Checking the E5810B 86 Checking the E5810B front panel display 86 Checking the E5810B parameters 88 Checking the Network 89 Checking the Web browser settings 90 Checking other network problems 92 Checking PC Client Connection 94 Verifying PC client connection 94 Checking the Syslog messages 95 Runtime error messages 98 Checking Connected Instruments 101 This chapter provides the guidelines to troubleshoot problems that may o
4 Troubleshooting the E5810B Overview Overview There are no user-serviceable parts in the E5810B. If you suspect a hardware failure in the E5810B, contact Agilent for procedures to return the device. NOTE Figure 4- 1 shows a typical network configuration using the E5810B and the suggested steps to troubleshoot the system. E5810B 1 +12 VDC 2.
Troubleshooting the E5810B Overview 1 4 Checking the E5810B • Checking the E5810B front panel display • Checking the E5810B LED indicators • Checking the E5810B parameters 2 Checking the Network • Checking the Web browser settings • Checking other network problems 3 Checking PC Client Connection • Verifying PC client connection • Checking the Syslog messages • Runtime error messages 4 Checking Connected Instruments E5810B User’s Guide 85
4 Troubleshooting the E5810B Checking the E5810B Checking the E5810B Checking the E5810B front panel display Table 4- 1 shows the suggested steps to troubleshoot the E5810B using the front panel display. Table 4-1 E5810B front panel display Error message Description Firmware update not successful The firmware update failed. Verify that the IP address of the FTP server, login, user password, and filename are correct.
Troubleshooting the E5810B Checking the E5810B 4 Checking the E5810B LED indicators Table 4- 2 shows the suggested steps to troubleshoot the E5810B using the LED indicators. If there is an error message on the front panel display, refer to “Checking the E5810B front panel display” on page 86. Table 4-2 E5810B LED indicators Status Possible cause Corrective action All LEDs OFF No AC power to the E5810B. Check the AC power connection.
4 Troubleshooting the E5810B Checking the E5810B Checking the E5810B parameters If the front panel display and LED indicators are in no error conditions, check the E5810B configuration parameters. Check the current E5810B parameters If the E5810B is connected to an Enterprise network, you can check the E5810B current settings displayed on the Configuring your E5810B LAN/GPIB/USB Gateway page against the Enterprise Network Information provided by your system administrator.
Troubleshooting the E5810B Checking the Network 4 Checking the Network If the E5810B is correctly installed and configured, and is operational, the next step is to check on the network installation and configuration. You may need the help of your system administrator to perform this. Table 4-3 Network configuration problems summary Symptom Possible cause Corrective action Cannot access E5810B Web access Improper network installation.
4 Troubleshooting the E5810B Checking the Network Checking the Web browser settings The E5810B Web access generates Web pages that depend on Javascript and Frames. For best results, you will need to enable the Javascript, and configure the Cache and Page Refresh, and Proxies settings on your Web browser.
Troubleshooting the E5810B Checking the Network 4 To avoid displaying outdated information on the Web pages, set the Check for newer versions of stored pages to Every visit to the page or a similar option on your Web browser. Use the following procedure to configure the Cache and Page Refresh settings. 1 Select Tools > Internet Options from the Internet Explorer menu. 2 Select the General tab. 3 Select Settings under Browsing history to display the Settings dialog box.
4 Troubleshooting the E5810B Checking the Network 5 Under Exceptions, add the IP address of the E5810B or a fully qualified domain name (such as myE5810B.example.com) to the Do not use proxy server for addresses beginning with: box. Use a semicolon ';' to separate the entries. 6 Select OK to save the settings. Checking other network problems E5810B operation hangs The E5810B has a single remote IO server servicing the GPIB, USB, and RS- 232 interfaces.
Troubleshooting the E5810B Checking the Network 4 SICL timeout is set to 0 (infinite) The E5810B uses the LAN maximum timeout configured in Agilent Connection Expert’s LAN interface for its default or infinite timeout. If an SICL itimeout(id,0) command is used (where a 0 timeout value is an infinite timeout) the E5810B will use the I/O Timeout (sec): value set on the Current Configuration of E5810B LAN/GPIB/USB Gateway page. The default timeout value is 120 seconds.
4 Troubleshooting the E5810B Checking PC Client Connection Checking PC Client Connection Verifying PC client connection To verify that the PC client system has network access to the E5810B, open the Web browser on the client’s PC and type in the E5810B IP address or hostname (if known) on the browser’s address line. If the E5810B Welcome page appears, this client’s PC has network connection to the E5810B. Repeat this step for each client’s PC on the network.
Troubleshooting the E5810B Checking PC Client Connection 4 Checking the Syslog messages The Syslog messages can be viewed by typing /systemLog.htm on your Web browser, where is the IP address of the E5810B. For example, if the IP address of the E5810B is 169.254.58.10, type http://169.254.58.10/systemLog.htm to display the message table.
4 Troubleshooting the E5810B Checking PC Client Connection Syslog messages Table 4- 4 shows the common Syslog messages generated by the E5810B. Table 4-4 Common Syslog messages Message Description Selftest Passed E5810B has successfully completed its hardware self-test. rebooting E5810B is about to do a reboot or a factory-reset command.
Troubleshooting the E5810B Checking PC Client Connection 4 Table 4-4 Common Syslog messages (continued) Message Description ERROR: Firmware Update: Invalid file or directory Could not find file. Filename or directory is wrong. ERROR: Firmware Update: Internal error Out of system resources. Reboot the E5810B and try again. Table 4- 5 shows the typical Syslog messages and provides a description of each message, where the value is in ( ), such as (0:00:00:18).
4 Troubleshooting the E5810B Checking PC Client Connection Runtime error messages Common runtime errors that may occur in programs when using the E5810B are described in the Table 4- 6, where viopen is a VISA open command.
Troubleshooting the E5810B Checking PC Client Connection 4 Table 4-6 Common runtime messages (continued) Message Description viopen fails or I/O operation fails: Out of resources The E5810B was not able to open another session or perform the operation because it is out of resources. You may need to have a client terminate its connection or you may need to reboot the E5810B to close all client connections to reclaim resources. Rebooting will disconnect all other users accessing the E5810B.
4 Troubleshooting the E5810B Checking PC Client Connection Table 4-6 Common runtime messages (continued) Message Description E5810B appears to be hung There are several possible causes. For all of the following, use of client timeouts and/or E5810B timeouts (the I/O timeout and LAN timeout configuration values) can be used to ensure that the E5810B will not stall indefinitely.
Troubleshooting the E5810B Checking Connected Instruments 4 Checking Connected Instruments If you cannot establish communication with the connected GPIB, USB, and/or RS- 232 instruments, refer to Table 4- 7 for the suggested troubleshooting steps. Table 4-7 Checking GPIB, USB, and/or RS-232 interface instruments Symptom Possible cause Corrective action Unable to communicate from the Intermittent or missing GPIB, USB, and/or E5810B Web access RS-232 connection. Check the GPIB, USB, and/or RS-232 cable.
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E5810B LAN/GPIB/USB Gateway User’s Guide 5 Characteristics and Specifications Technical Specifications 104 Supplementary Information 108 Supported Network Protocols 109 This chapter lists the characteristics and specifications of the E5810B LAN/GPIB/USB gateway.
5 Characteristics and Specifications Technical Specifications Technical Specifications GENERAL CHARACTERISTICS POWER CONSUMPTION • +12 VDC, 2 A • Isolated ELV supply source OPERATING ENVIRONMENT Refer to “Environmental Conditions” on page V. STORAGE COMPLIANCE Refer to “Environmental Conditions” on page V. SAFETY AND EMC COMPLIANCE Refer to “Environmental Conditions” on page V. CONNECTORS • • • • MAXIMUM DATA RATES • 1.
Characteristics and Specifications Technical Specifications 5 GENERAL REQUIREMENTS Minimum system requirements Windows XP SP3 (32-bit) • 600 MHz (x86 or x64) • 256 MB RAM • Hard disk space • 1 GB available for Microsoft .NET Framework 4.
5 Characteristics and Specifications Technical Specifications Windows 8 (32-bit or 64-bit) Windows 8, Windows 8 Pro, Windows 8 Enterprise • 1 GHz (x86 or x64) • 1 GB RAM • Hard disk space • 1 GB available for Microsoft .NET Framework 4.0 • 100 MB for Agilent IO Libraries Suite • Video • 1024 × 768 (96 DPI or 120 DPI) • Browser • Microsoft Internet Explorer 7 or greater Windows Server 2008 R2 SP1 (64-bit) Standard and Enterprise • 1.4 GHz (x64) • 1 GB RAM • Hard disk space • 1 GB available for Microsoft .
Characteristics and Specifications Technical Specifications Supported software development applications • • • • • • 5 Visual Basic 5.0 or greater Visual C++ 5.0 or greater Visual Studio Agilent VEE 5.0 or greater BASIC for Windows Visual Studio .NET ORDERING INFORMATION Interface E5810B LAN/GPIB/USB Gateway Options • • • • • • • • E5810B User’s Guide Option 100 – Rack Mount Kit 10833A – GPIB cable, 1 meter 10833B – GPIB cable, 2 meter 10833C – GPIB cable, 4 meter 10833D – GPIB cable, 0.
5 Characteristics and Specifications Supplementary Information Supplementary Information This section provides supplementary information on the E5810B performance, including supported GPIB modes. GPIB modes of operation supported The E5810B supports all standard GPIB modes of operation. IEEE-488.1 and IEEE-488.2 compliance The E5810B is in full compliance with the IEEE- 488.1 and IEEE- 488.2 specifications. The E5810B fully supports the IEEE- 488.
Characteristics and Specifications Supported Network Protocols 5 Supported Network Protocols The E5810B uses the network IP and Ethernet protocols listed in Table 5- 1. Refer to “Glossary” for more information on these protocols. Table 5-1 Supported network protocols Name RFC Role When Description ARP 826 Peer As needed Maps the IP address to the Ethernet address. DHCP 2131, 2132 Client Power-up E5810B requests the IP configuration information.
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E5810B LAN/GPIB/USB Gateway User’s Guide A Using the Telnet Utility Using the Telnet Utility 112 Telnet commands for E5810B 115 This chapter explains how to access and exit the Telnet utility. It also summarizes various Telnet commands you can use with the E5810B.
A Using the Telnet Utility Using the Telnet Utility Using the Telnet Utility For backward compatibility with the E2050 LAN/GPIB Gateway, the Telnet utility functionality is provided with the E5810B. However, E5810B Web access is the preferred method to configure the E5810B. Use the following procedure to access the Telnet utility. 1 If you are on a Windows XP computer system, follow the steps below: • From the Windows XP taskbar, select Start > All Programs > Accessories > Command Prompt.
Using the Telnet Utility Using the Telnet Utility A Use the following procedure to exit the Telnet utility. 1 If you want to exit without saving any changes (if any) you have made to the configuration values, type bye, exit or quit at the Telnet prompt (>). 2 If you want to save the changes you have made to the configuration values via the Telnet utility, type reboot at the Telnet prompt (>). Any client operations in progress and client connections will be terminated by the reboot command.
A Using the Telnet Utility Using the Telnet Utility Configureable Parameters saved in E5810B non-volatile-memory (Note: Some E5810B current values "in-use" maybe be different) dhcp: ON # Configure LAN for DHCP boot ip: 169.254.58.10 # Internet Protocol (IP) Address subnet-mask: 255.255.0.0 # Network Subnet Mask gateway: 0.0.0.0 # Network Gateway 114 dns_server: hostname: 0.0.0.
Using the Telnet Utility Telnet commands for E5810B A Telnet commands for E5810B Table A- 1 lists the Telnet commands you can use with the E5810B. You should use the Telnet configuration commands only if you are using the Telnet configuration method to configure the E5810B. You can see a summary of all Telnet commands online by typing “?” at any time within the Telnet utility.
A Using the Telnet Utility Telnet commands for E5810B Table A-1 Telnet commands (continued) Command Description gpib-unit <2-255> View/Set the GPIB Logical Unit Number rs232-name View/Set the RS-232 SICL Interface Name rs232-baud View/Set Baud <300|1200|2400|4800|9600|19200|384 00|57600|115200> rs232-bits <5|6|7|8> View/Set number of RS-232 data Bits rs232-stopbits <1|2> View/Set number of RS-232 Stop Bits rs232-parity View/Set the RS-232 Parity rs232-flo
E5810B LAN/GPIB/USB Gateway User’s Guide Glossary A 119 Address 119 ASRL 119 B 119 Bridge 119 C 120 Client 120 Controller 120 D 120 Device 120 DHCP 121 DNS 121 E 122 Ethernet (MAC) address 122 F 122 Friendly name 122 G 122 Gateway 122 Gateway IP address 123 H 123 Hostname 123 Hub 123 I 124 Instrument 124 Interface 124 IP address 125 L 126 LAN 126 Lock 127 Logical unit 127 N 128 Agilent Technologies 117
Glossary Network protocols 128 P 129 Proxy server 129 R 130 Router 130 RS-232 130 S 131 Server 131 SICL 131 SRQ 131 Subnet 132 Subnet mask 132 Switch 133 Symbolic name 133 U 134 Universal Plug and Play 134 V 135 VEE 135 VISA 135 VISA COM 135 118 E5810B User’s Guide
Glossary A A Address Address is a unique string identifying a particular interface or a device on that interface which is interpreted at the E5810B LAN/GPIB/USB Gateway to identify the interface or device. ASRL For the E5810B, ASRL is synonymous with the RS- 232 interface. Refer to RS- 232 for more information. B Bridge In telecommunication networks, a bridge is a product that connects a local area network (LAN) to another LAN that uses the same protocol (for example, Ethernet or a token ring).
Glossary C C Client Client is part of the client/server model used in distributed computing. A client is a computer system that requests services from a server computer system, such as I/O application requests, and networking requests. Controller Controller is a computer used to communicate with a remote device such as an instrument. In the communications between the controller and the device, the controller is in charge and controls the flow of communication.
Glossary D DHCP Dynamic Host Configuration Protocol (DHCP) is a protocol for assigning dynamic IP addresses to devices on a network. With dynamic addressing, a device can have a different IP address every time it connects to the network. In some systems, the device's IP address can even change while it is still connected. DHCP also supports a mix of static and dynamic IP addresses.
Glossary E E Ethernet (MAC) address The Media Access Control (MAC) address is also known as the link- level address, the Ethernet (station) address, the LANIC ID, and hardware address. This is a unique 48- bit address assigned by the manufacturer for each Ethernet device. It is usually displayed in a 12 hexadecimal characters, sometimes with colon or dash separators between every two characters, such as 00:03:d3:00:00:17 or 00-03-d3-00-00-17.
Glossary H Gateway IP address Gateway IP address is the IP address of the default subnet gateway that allows the E5810B to communicate with systems that are not on the local subnet. Thus, this is the default subnet gateway where packets are sent and are destined for a device not on the local subnet, as determined by the subnet mask setting. Only one default subnet gateway can be configured. A value of 0.0.0.0 indicates that no subnetting is configured.
Glossary I Passive hubs Passive hubs serve simply as a conduit for the data, enabling it to go from one device or segment to another. Intelligent hubs Intelligent hubs include additional features that enables an administrator to monitor the traffic passing through the hub and to configure each port in the hub. Intelligent hubs are also called manageable hubs. Switching hubs Switching hubs actually read the destination address of each packet and then forward the packet to the correct port.
Glossary I IP address Internet Protocol (IP) address is an identifier for a computer or device on a TCP/IP network. Networks using the TCP/IP protocol route messages based on the IP address of the destination. The format of an IP address is a 32- bit numeric address written as four numbers separated by periods. Each number can be from 0 to 255. For example, 1.160.10.240 can be an IP address. Within an isolated network, you can assign IP addresses at random as long as each one is unique.
Glossary L L LAN Local Area Network (LAN) is a computer network that spans a relatively small area. Most LANs are confined to a single building or a group of buildings. However, one LAN can be connected to other LANs over any distance via telephone lines and radio waves. A system of LANs connected in this way is called a Wide- Area Network (WAN). Most LANs connect workstations and personal computers.
Glossary L Media Media are devices that can be connected by a twisted- pair wire, coaxial cables, or fiber optic cables. Some networks can be connected via radio waves. LANs are capable of transmitting data at very fast rates, much faster than data can be transmitted over a telephone line. However, the distances are limited and there is also a limit on the number of computers that can be attached to a single LAN.
Glossary N N Network protocols The E5810B supports these network protocols: ARP, DHCP, DNS, FTP, HTTP, ICMP, and RPC. ARP Address Resolution Protocol (ARP) is a TCP/IP protocol used to convert an IP address into a physical address (DLC address), such as an Ethernet address. DHCP Refer to DHCP. DNS Refer to DNS. FTP File Transfer Protocol (FTP) is the protocol used on the Internet for sending files. HTTP HyperText Transfer Protocol (HTTP) is the underlying protocol used by the World Wide Web (WWW).
Glossary P ICMP Internet Control Message Protocol (ICMP) is an extension to the Internet Protocol (IP) defined by RFC 792. ICMP supports packets containing error, control, and informational messages. The ping command, for example, uses ICMP to test an Internet connection. RPC Remote Procedure Call (RPC) is a type of protocol that allows a program on one computer to execute a program on a server computer. Using RPC, a system developer does not need to develop specific procedures for the server.
Glossary R Instead of forwarding the request to the Web server where Page 1 resides, which can be a time- consuming operation, the proxy server returns the Page 1 it already fetched for user X. Since the proxy server is often on the same network as the user, this is a much faster operation. Real proxy servers support hundreds or thousands of users. Filter requests Proxy servers can also be used to filter requests.
Glossary S The RS- 232 standard supports two types of connectors — a 25- pin D- type connector (DB- 25) and a 9- pin D- type connector (DB- 9). The type of serial communications used by PCs requires only 9 pins so either type of connector will work equally well with PCs. S Server Server is part of the client/server model used in distributed computing.
Glossary S Subnet Subnet is a portion of a network that shares a common address component. On TCP/IP networks, subnets are defined as all devices whose IP addresses have the same prefix. For example, all devices with IP addresses that start with 100.100.100. would be part of the same subnet. Dividing a network into subnets is useful for both security and performance reasons. IP networks are divided using a subnet mask.
Glossary S It is called a mask because it can be used to identify the subnet to which an IP address belongs by performing a bitwise AND operation on the mask and the IP address. The result is the subnetwork address: Subnet Mask 255.255.240.000 11111111.11111111.11110000.00000000 IP Address 150.215.017.009 10010110.11010111.00010001.00001001 Subnet Address 150.215.016.000 10010110.11010111.00010000.00000000 The default subnet mask for the E5810B is 255.255.0.0.
Glossary U U Universal Plug and Play Universal Plug and Play (UPnP) is an open industry standard that uses Internet and Web protocols to enable devices such as PCs, peripherals, intelligent appliances, and wireless devices to be plugged into a network and automatically know about each other. UPnP is an architecture for pervasive peer- to- peer network connectivity of PCs and intelligent devices or appliances.
Glossary V V VEE The Agilent Visual Engineering Environment (VEE) is a software used for I/O application programming. VISA The Agilent Virtual Instrument Software Architecture (VISA) library is a software used for I/O application programming. Agilent VISA is part of the Agilent IO Libraries Suite. VISA COM Common Object Model (COM) is an implementation of VISA. Agilent VISA COM is part of the Agilent IO Libraries Suite.
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