DP-601M NWay Internet Server with 56k Modem User’s Guide Rev. 02 (July, 1999) 6DP601MH..
Wichtige Sicherheitshinweise 1. Bitte lesen Sie sich diese Hinweise sorgfältig durch. 2. Heben Sie diese Anleitung für den spätern Gebrauch auf. 3. Vor jedem Reinigen ist das Gerät vom Stromnetz zu trennen. Vervenden Sie keine Flüssigoder Aerosolreiniger. Am besten dient ein angefeuchtetes Tuch zur Reinigung. 4. Um eine Beschädigung des Gerätes zu vermeiden sollten Sie nur Zubehörteile verwenden, die vom Hersteller zugelassen sind. 5. Das Gerät is vor Feuchtigkeit zu schützen. 6.
16. Bei Reparaturen dürfen nur Orginalersatzteile bzw. den Orginalteilen entsprechende Teile verwendet werden. Der Einsatz von ungeeigneten Ersatzteilen kann eine weitere Beschädigung hervorrufen. 17. Wenden Sie sich mit allen Fragen die Service und Repartur betreffen an Ihren Servicepartner. Somit stellen Sie die Betriebssicherheit des Gerätes sicher. 18.
Trademarks Copyright 1999 D-Link Corporation. Contents subject to change without prior notice. D-Link is a registered trademark of D-Link Corporation/D-Link Systems, Inc. All other trademarks belong to their respective proprietors. Copyright Statement No part of this publication may be reproduced in any form or by any means or used to make any derivative such as translation, transformation, or adaptation without permission from D-Link Corporation/D-Link Systems Inc.
Limited Warranty Hardware: D-Link warrants each of its hardware products to be free from defects in workmanship and materials under normal use and service for a period commencing on the date of purchase from D-Link or its Authorized Reseller and extending for the length of time stipulated by the Autho rized Reseller or D-Link Branch Office nearest to the place of purchase.
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Internet Server User’s Guide T ABLE OF C ONTENTS ABOUT THIS GUIDE............................................................................................XIII QUICK INSTALLATION......................................................................................XV INTRODUCTION ...................................................................................................... 1 PRODUCT DESCRIPTION.........................................................................................
Internet Server User’s Guide Using the Default Address...............................................................................16 Using Your Own Address Settings.................................................................18 USING TELNET TO CONFIGURE THE SERVER...................................................19 USING A BROWSER TO CONFIGURE THE SERVER.............................................20 M INIMUM CONFIGURATION.............................................................................
Internet Server User’s Guide SERVER A DDRESS CONFIGURATION...................................................................40 A DVANCED CONTROL CONFIGURATION ..........................................................41 Manager Server IP Address............................................................................41 Log and Filter ...................................................................................................42 Dial-up Schedule ....................................................
Internet Server User’s Guide A BOUT T HIS G UIDE This guide explains how to install and use the DP-601M NWay port internet server Audience This manual assumes basic familiarity with LANs, the internet, and ISPs. It has, however, been designed for basic-level users Overview of the User’s Guide ♦ Quick Installation. ♦ Chapter 1- Introduction. Provides information about the DP601M and internet server technology. ♦ Chapter 2 - Installation. Helps you unpack, understand and install the DP-601M.
Internet Server User’s Guide ♦ Appendix B - Specifications. Lists the device’s specifications. ♦ Appendix C - AT Commands. Lists the basic and extended AT command sets. ♦ Appendix D - Port Pinouts. Provides pinout data for the device’s ports. ♦ Appendix E - Glossary. Provides the meaning for some networking terms used in this manual.
Internet Server User’s Guide Q UICK INSTALLATION This section takes you through a step-by-step minimum installation and setup procedure for the internet server. Please refer to the main text of this manual for detailed information about the setup and operation of this device. Getting Started Step 1: Unpack the device. Make certain no components have been lost or damaged. A packing list is provided on page 5. Step 2: Choose an installation site on a flat, level surface or wall.
Internet Server User’s Guide Configuration Step 6: Before you can use your Internet server, IP addresses on your LAN’s PCs must be set so that they are compatible with the Internet server’s settings. The Internet server comes with the default local IP address: 192.168.100.1 and the default subnet mask setting: 255.255.255.0.
Internet Server User’s Guide Mandatory Settings for Internet Access Step 8: ISP Account -> Phone Number, when you signed-up for an account with your ISP (internet service provider), you should have been given an access phone number that your Internet server’s built-in modem will dial. Look under the “WAN Port Settings” menu for this item and enter the phone number provided by your ISP.
Internet Server User’s Guide 1 INTRODUCTION This chapter introduces the DP-601M internet server, as well as some of the technology that is utilized. Product Description The DP-601M internet server is designed to give multiple, networked PCs access to the internet through a single account. It controls your Local Area Network (LAN) by automatically assigning IP addresses to all computers connected to it and routing traffic to and from local computers and the internet.
Internet Server User’s Guide ♦ Internet protocol support for: PPP, PAP/CHAP, NAT, TCP/IP, DHCP, ARP, ICMP, FTP, Telnet, and HTTP. ♦ Support for device configuration via Telnet, web browser, or IS Admin program (included). ♦ NWay UTP port for LAN connection. ♦ Ethernet connections support Category 3 or better twisted-pair cables. ♦ Fast Ethernet connections support both shielded twisted-pair and Category 5 unshielded twisted-pair cables. ♦ Built-in 56k modem.
Internet Server User’s Guide Using an internet server allows a single global IP address to be shared by multiple end nodes simultaneously. In this implementation, it is only necessary to pay for a single internet account even though many people will be able to use it. Non-Internet Implementations An internet server can also be used to expand a LAN by creating a localized IP “sub-group”. In this LAN-to-LAN configuration, the internet server links the two IP subgroups (as shown below).
Internet Server User’s Guide addresses of computers on this LAN are managed by the internet server) can still access the internet by setting their Gateway address to the IP address of the local LAN port of the Internet server. Please note that the WAN ports on the DP-601M are disabled when it is operating in LAN-to-LAN mode.
Internet Server User’s Guide 2 INSTALLATION This chapter provides information on the unpacking and initial installation of your internet server. Unpacking Open the shipping carton of your internet server and carefully unpack the contents. The carton should contain the following items: ♦ One internet server device ♦ One AC power adapter, suitable for your areas electrical power connections ♦ One 3.5” diskette with IS Admin software ♦ IS Admin User’s Guide ♦ One 3.
Internet Server User’s Guide Inspect the device and all accompanying items. If any item is damaged or missing, report the problem immediately to your dealer. Desktop / Shelf Installation The unit has rubber feet attached to the bottom to cushion it. Allow enough ventilation space between the device and the objects around it. Choose a sturdy, level surface in a ventilated area that is dust free and away from heat vents, warm air exhaust from other devices and direct sunlight.
Internet Server User’s Guide ◊ The internet server should be placed high enough where LED indicators can be observed and cable and power connections can be made. ◊ Moreover, decide whether you would like it to point with the front panel facing either up or down. ♦ Drill two holes into the wall with the same distance as the screw support holes located on the bottom of the internet server. Do not drill these holes too deep.
Internet Server User’s Guide Port Descriptions DP-601M Rear Panel RJ-45 – LAN Port The Internet server has a single NWay LAN port. This port is 10Mbps and 100-Mbps capable (auto-detecting, auto-configuring) and designed for use in an Ethernet or Fast Ethernet LAN via a network hub. The port has an RJ-45 jack with an MDI-X pinout.
Internet Server User’s Guide LED Descriptions The internet server has a small LED array for indicating current port and transmission status. The power/transmit (Pw/Tx) and connect/receive (Link/Rx) LEDs only relate to activity on the LAN port. All other LED indicators display information about their related ports as labeled. DP-601M Front Panel Pw/Tx The Pw/Tx (power/transmission) LED lights when power is supplied to the device and flashes when the LAN port transmits data.
Internet Server User’s Guide COM Tx / COM Rx The COM Tx LED shines when the built-in modem is transmitting data out the RJ-11 phone jack to the Internet. The COM Rx LED shines when data is being received by the built-in modem via the RJ11 phone jack. These LEDs are off when no data is being transmitted or received. Normal LED Flash Pattern When the device is powered up, the Pw/Tx LED comes on. The other LEDs come on immediately afterward, and all four LEDs remain lit for several seconds.
Internet Server User’s • 10 Mbps Ethernet connections must use Category 3 or better twisted-pair cabling fitted with RJ-45 connectors. • 100 Mbps Fast Ethernet connections must use shielded twisted pair (STP) or Category 5 or better unshielded twisted-pair (UTP) cables fitted with Category 5 RJ-45 connectors. • Cat 5 UTP cables use the same RJ-45 connector used with 10BASE-T, wired in the same configuration.
Internet Server User s Guide Connecting to the Internet The Internet server must be connected to a phone line so it can link your LAN to the Internet through your Internet service provider’s (ISP’s) equipment. To make the connection, plug a standard modular telephone cord into the Internet server’s RJ-11 jack and a telephone wall jack. PSTN Phone Line Connection Connecting Power Power is supplied to the Internet server through an included AC power adapter.
Internet Server User’s Guide AC adapter Power outlet Power Connection Since the Internet server does not include a power switch, plugging its power adapter into a power outlet will immediately power it on. After the internet server is connected to the LAN and powered on, you can use the included IS Admin software to assign an IP address to the device. Once the internet server has a valid IP address, you may set it up for normal operations (i.e.
Internet Server User’s Guide 3 S YSTEM S ETUP The internet server has some settings that need to be properly configured before it can be used. This chapter describes how to change the default IP address settings and then how to use Telnet or a web browser to further configure the internet server. A description of the minimum settings changes required for operation is also provided. A full listing of all settings in the internet server is provided in Chapter 4.
Internet Server User’s Guide Setting IP Addresses The IP address settings, which include the IP address, subnet mask and gateway IP address are the first and most important settings that need to be configured. The internet server comes with a default Local LAN IP address and subnet mask assigned. If you do not have a preexisting IP network and are setting one up now, using the factory default IP address settings can greatly ease the setup process.
Internet Server User’s Guide Default Addressing Example Host IP Address Subnet Mask Gateway IP Internet Server 192.168.100.1 255.255.255.0 Computer #1 192.168.100.2 255.255.255.0 192.168.100.1 Computer #2 192.168.100.3 255.255.255.0 192.168.100.1 Computer #3 192.168.100.4 255.255.255.0 192.168.100.1 Please note that when using the default IP address as in the above example, the first three numbers in the IP address must always be the same with only the fourth number changing.
Internet Server User’s Guide Using Your Own Address Settings If your LAN is already setup for IP networking and you wish to change the IP address of the internet server to operate within your existing IP network, simply: 1. 2. Physically connect the internet server to your LAN and power it on. Configure one computer on your network to have the IP address of 192.168.100.2 (or any unique IP address in the 192.168.100.XXX network) and a subnet mask of 255.255.255.0.
Internet Server User’s Guide Using Telnet to Configure the Server Once your PC is configured with an IP address on the same subnet as the server (or vice-versa), start your Telnet program and connect to the IP address of the internet server. The following screen will appear: Press the key to access the configuration program. There is no default password. Once you have access, use the menu item numbers to navigate the menus and change settings. All settings are described later in this manual.
Internet Server User’s Guide Telnet session and restarts the internet server in the new configuration. Using a Browser to Configure the Server Once your PC is configured with an IP address on the same subnet as the internet server, start your browser program and enter the prefix “http://” followed by the IP address assigned to the server, in the address window. You should immediately see the internet server web browser interface menu as shown below.
Internet Server User’s Guide internet server as proxy settings may interfere with browser access to local devices. If you use a non-frames browser, when you receive the initial internet server screen, you should see the main navigation menu rather than the navigation menu and the system status screen. The functions are the same, only the appearance will be different.
Internet Server User’s Guide vided by your ISP. (Note that without a DNS server IP, internet sites will only be available using IP addresses and will not be available using URLs.) Default Value: 0.0.0.0 Must Be User Modified? Yes. Description: A Domain Name Service (DNS) server address is used to translate URLs into their corresponding IP addresses. ISP Account -> Phone Number In order for the internet server to control the modem to dial the phone, you must enter the dial-up phone number for your ISP.
Internet Server User’s Guide Description: The phone number entered in this variable is the number the internet server will dial to establish its internet (WAN) connection. Note: If the ISP phone line is busy, the internet server will automatically redial. Three successive redial attempts will be made. ISP Account -> User ID Just as the internet server needs to know what phone number to dial to access your ISP, it also needs to know what username to login under.
Internet Server User’s Guide ISP Account -> Password The password is the final step in the ISP dial-up login process. As with the username, this password should have been assigned to you by your ISP when you registered for the service. Options: For dial-up connections, the ISP user access password exactly as provided (i.e., all letters capitalized where necessary, underscores and other punctuation included). The maximum length is 32 characters. Default Value: (none) Must Be User Modified? Yes.
Internet Server User’s Guide Options: For each line item, a prompt string and a keyin string must be provided. The prompt string is the text displayed by the ISP requesting that something be entered. The keyin string is what should be entered. Prompt strings can be up to 25 characters long including punctuation. Keyin strings can be up to 20 characters long including punctuation (a maximum of 8 separate line entries).
Internet Server User’s Guide No. Prompt Keyin 1 Username: Nick Didovic 2 Password: Example 3 Protocol --> 2 With each prompt being the text of the prompt provided by the ISP, and each keyin being the exact data you would enter. Default Value: (none) Must Be User Modified? No (unless your ISP login procedure requires you to use a login script). Description: A login script is used to provide login prompt responses when required by the ISP login procedures.
Internet Server User’s Guide If using DHCP, make sure that each computer is set to 0.0.0.0 or to ‘Obtain an IP Address automatically’. • Default Gateway – should be set to the IP address assigned to the internet server’s Local LAN interface. • DNS (Domain Name Service) – an IP address provided by your ISP. 2. Activate your browser and use normally.
Internet Server User’s Guide 4 C ONFIGURATION S ETTINGS This chapter provides information about all of the configuration settings available on the internet server. Information about the range of values, default settings, and purpose of each setting is given. Items are listed in the same order as the menu listings presented by the internet server Telnet console program. Note that some settings have been defined in further detailed in Chapter 3.
Internet Server User’s Guide ♦ Return to Menu – Takes you up one menu level (generally to the menu immediately preceding the current menu). System Configuration Server Name Options: A fifteen-character string of letters and numbers. Default Value: IS-xxxxxx (where “xxxxxx” is the last six digits of the device’s MAC address). Description: The server name is used to identify the internet server on network management lists of active devices.
Internet Server User’s Guide Local LAN -> Subnet Mask This variable defines the subnet level the internet server will share with other devices on the network. Options: Any subnet address which identifies a subnet level. Default Value: 255.255.255.0 Must Be User Modified? No. Description: The subnet mask is used to identify subgroups on a LAN. A subgroup is a set of network nodes that can receive broadcast messages (i.e., messages not requiring a specific IP).
Internet Server User’s Guide Maximum Idle Time This variable allows you to set an idle time after which the internet server will automatically disconnect the WAN connection. Setting an idle time lets you keep from staying logged-in to your ISP when no one is using the internet. Options: A time duration from 1 to 65535 minutes. Default Value: 30 minutes Must Be User Modified? No. Description: The system will automatically disconnect the WAN link if the port is inactive for the time set.
Internet Server User’s Guide LAN-to-WAN Internet server and Server Address Mapping functions. LAN-to-LAN mode should be used when you need to expand your LAN but have limited IP addresses available and internet access is provided via a router. Note: In LAN-to-LAN mode, you cannot let users outside of the LAN have access to services (e.g., Telnet, FTP, or web servers). Change Password Options: An eight-character string of letters and numbers. Case sensitive.
Internet Server User’s Guide Baud Rate Options: 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800 bps. Default Value: 115200 bps Description: The setting of this variable sets the maximum bits per second data transmission rate on the line. ISP Account -> Phone Number Options: For dial-up connections, the local ISP phone number, complete without spaces, hyphens or other punctuation (commas may be used to indicate a pause). The maximum length is 20 characters.
Internet Server User’s Guide Default Value: (none) Description: This variable is the user ID that will be provided to the ISP once the modem connection is established. ISP Account -> Password Options: For dial-up connections, the ISP user access password exactly as provided (i.e., all letters capitalized where necessary, underscores and other punctuation included). The maximum length is 32 characters.
Internet Server User’s Guide Description: Modem AT commands are used to configure and operate the modem when it is necessary to control settings such as the speaker volume, line modulation, or handshaking protocol. Note: See Appendix C for information about initialization string settings and other modem commands. Note that the initialization string modem must set the following: 1. Fixed baud rate (i.e., serial data rate adjustment disabled). 2.
Internet Server User’s Guide each time you dial-up, your login script would look like something like this: No. Prompt Keyin 1 Username Stepanka 2 Password abcd 3 Choice --> 2 With each prompt being the text of the prompt provided by the ISP, and each keyin being the exact data you would enter. Default Value: (none) Description: A login script is used to provide login prompt responses when required by the ISP login procedures.
Internet Server User’s Guide Important Note: If you use DHCP to set your local IP addresses, the software IP settings of all stations on the network will need to be manually configured to 0.0.0.0., or, as in the case of Windows 95 users, the “Obtain an IP address automatically” option under TCP/IP will have to be selected. Enable Options: Yes/No Default Value: Yes Description: This variable is the “on/off” switch for using a DHCP server.
Internet Server User’s Guide IPs. It is paired with the next variable to create an address range. IP Address Range -> End This is the second of the DHCP IP address range Settings. Options: Any IP address within the three reserved IP ranges. The IP address used must correlate with the IP set in the Beginning range variable. Default Value: 192.168.100.150 Description: This variable indicates the end of the range of IP addresses available for DHCP use in assigning IPs.
Internet Server User’s Guide Description: The IP reserve table specifies ownership of particular IP addresses by particular stations or servers (identified by MAC address) so that those IP addresses will not be used by other devices on the LAN under any circumstances. (Note that devices listed in the Server Address Settings table should have their IP addresses listed here if DHCP is going to be used so that their IP addresses don’t get assigned to other network stations.
Internet Server User’s Guide The LAN IP address for the server entered. Any resource which will be shared to the internet through the server should have a dedicated IP address. ♦ Protocol The type of server protocol being used: TCP or UDP ♦ Port Number The server port number assigned to provide outside connections (from 1 to 65535). A Server Address Settings table example: No Local IP Address Protocol Port Number 1 192.168.100.11 TCP 23 2 192.168.100.50 TCP 21 3 192.168.100.
Internet Server User’s Guide Log and Filter When set to Yes, the log and filter functions in IS Manager server software will be enabled. The internet server will create a log of all user connections and their status, viewable in the IS Manager program. The user filters also become operative, filtering connections by user, protocol and destination, as defined in the IS Manager program. Default setting is “No”.
Internet Server User’s Guide In normal operation (when scheduling is disabled) the internet server will always dial out when it receives a data packet destined for the internet, and will hang up when the idle time condition in the System Configuration menu is met. However, when scheduling is enabled, the internet server will maintain the WAN connection according to these parameters: • Auto Dial – Causes the internet server to automatically dial out when a scheduled time occurs.
Internet Server User’s Guide LAN IP address of the internet server as its default gateway. In the internet server, you must add static routes into the routing table to the other IP networks or IP subnets that the router is routing between. Use the router’s LAN IP address as the gateway for the static routes to the other IP networks or IP subnets that the internet server does not belong to.
Internet Server User’s Guide Display Information The internet server provides a display function which shows the current setting and operational status of all of its functions. In display mode, it is only possible to view the status of settings and functions, it is not possible to modify or control them. Displaying Information ♦ Monitor WAN Port Link Provides a display of the current WAN port link status (i.e., whether or not the WAN port is connected).
Internet Server User’s Guide This feature allows you to monitor traffic on the WAN ports(s) in kbps (kilobytes per second) and as a percentage of utilization. ♦ Display Current Time Shows the current date and time as known by the internet server. Please note that the date and time values can only be received from the IS Manager Server. Tools Each of the management items listed below allows you to ‘force’ some action. Each of them prompt for confirmation before executing.
Internet Server User’s Guide Save Configuration This feature stores the current settings into the system firmware. Activation is followed by a prompt for confirmation. Note: When using Telnet to modify device parameters, saving the configuration immediately ends the Telnet session.
Internet Server User’s Guide A T ROUBLESHOOTING System POST When the unit is powered on, the system first runs a Power-On Self Test (POST) as a check of system components. Errors encountered during the POST are indicated by different flashing front panel LED combinations. Note: 49 The LEDs flash as a normal part of the system initialization. The error flash codes listed in the table below will be constant and thus unlike the brief LED indications at initial power-on.
Internet Server User’s Guide DP-601M LED POST Error Indication Table COM Tx State COM Rx State Error Indicated 0 slow flashing slow flashing Need to reload firmware 1 on on DRAM Error 2 1 long 2 short off Timer INT Error 3 1 long 3 short off Flash Protected 4 1 long 4 short off Flash ID Error 5 1 long 5 short off Flash Erase / Program Error 6 1 long 6 short off LAN Controller Error 7 1 long 7 short off LAN Memory Error 8 1 long 8 short off IO Controller Error 9 fast
Internet Server User’s Guide cally assign IP addresses, make certain that you are using the right IP for the login you have set. ACCESS PASSWORD: It is possible that you entered your ISP login password incorrectly. Use the Telnet or browser configuration program to re-enter the login password. LAN IP ADDRESSES: If stations on your network have trouble connecting with the internet, double check their IP address settings.
Internet Server User’s Guide your login procedure. Some ISPs prompt for a communications protocol choice or other data after a successful modem connection. Refer to Chapter 4 for more information. ISP DETAILS: Double check all ISP login information (i.e., username, password, phone number) for accuracy.
Internet Server User’s Guide B S PECIFICATIONS General Standards: IEEE 802.3 10BASE-T Ethernet repeater, IEEE 802.3u 100BASE-TX Fast Ethernet repeater (Class II); ANSI X3T9.5 Twisted-Pair Transceiver Protocol: CSMA/CD Network Data Transfer Rate: NWay – Fast Ethernet, 100Mbps; Or Ethernet, 10Mbps Ports: One RJ-45 NWay LAN port; One RS-232 serial COM port, One RJ-11 telephone jack.
Internet Server User’s Guide Environmental and Physical 54 Power Supply: 5V DC, 1.5A (external) Dimensions: 164 x 118.2 x 30 mm (W x L x H) Weight: 240 grams (approximately 8.5 ounces) Operating Temp.: 0° to 50°C Storage Temp.
Internet Server User s Guide C AT COMMANDS The commands provided in the table below are used to control modems and are provided as a supplemental reference in case you need to use your Internet server as an ordinary modem through its serial port. Basic AT Command Set Each command, except for “+++” and “A ”, must be preceded by “AT” and executed when you press the key.
Internet Server User’s Guide T Tone dial, must precede number string W Inserted between digit. Wait for dial tone for the period defined by S7 before dialing. , Inserted between digit. Pause for the period defined by S8. ! Flash. Inserted between digit. Cause modem to go on-hook for 0.5 seconds and return to off-hook. ; Command append. Return to command mode after dialing to allow additional dialing command. S=n Dial a stored number where n is equal to 0, 1 or 2 corresponding to the slot number.
Internet Server User’s Guide 17 V.FC 24400 18 V.FC 24600 19 V.FC 28800 Hook Switch Hn 0 Go on-hook (hang-up) 1 Go off-hook Identification Command In 0 Display the product identification code. 1 Report pre-computed checksum. 2 Report O.K. 3 Report firmware revision, model and interface type. 4 Report response programmed by an OEM. 5 Report the country code parameter. 6 Report modem data pump model and code version.
Internet Server User’s Guide and turn speaker on during answering. Automode Detection – This command interacts with the F command and should be thus used. Nn 0 Disabled 1 Enabled (Default) Return to Data Mode – after using +++ command to switch to command mode. On 0 Return to data mode. 1 Perform equalizer retrain sequence, then return to data mode. A retrain causes the modem to optimize for the best data transmission. This command works at speeds of 2400 bps or higher.
Internet Server User’s Guide 1 Report line speed, EC protocol and DTE speed. 2 Report DCE speed in EC mode. Long Space Disconnect Yn 0 Modem does not send or respond to break signals. (Default) 1 Modem sends break signals for 4 seconds before disconnecting.
Internet Server User’s Guide Data Set Ready (DSR) &Sn 0 60 DSR overridden, DSR always on AT Commands
Internet Server User’s Guide D P ORT P INOUTS This appendix provides pinout data for the internet server’s ports. Serial Ports The table below shows the pinouts of the internet server’s RS-232 serial port.
Internet Server User’s Guide RJ-45 Port The RJ-45 port of the device is a LAN port designed to use standard, straight twisted-pair cabling (with different ratings at different lengths for Ethernet and Fast Ethernet).
Internet Server User’s Guide E G LOSSARY Please note that the terms in this glossary are defined according to their usage in this document and as part of the field of computer networking. Any meaning or usage outside of these specific areas may not be included and is not necessarily implied. # 100BASE-TX 100Mbps Ethernet LAN communications standard set by the IEEE (in standard 802.3u); also called “Fast Ethernet.” 100Mbps 100 million bits per second; an expression of transmission speed in a network.
Internet Server User’s Guide B Bandwidth The range of frequencies available across a communications channel; in one sense, the “size” or “speed” of the communications channel. C Category 3, 4, 5 Communication cabling standards referring to the quality of the transmission medium and whether or not the cable includes transmission shielding. Collision Simultaneous data transmission on a network medium, resulting in a garbled (and unreadable) transmission.
Internet Server User’s Guide DNS Domain Name Service. DNS entries on internet DNS servers map site names (also called, “URLs”) to their actual IP addresses. E Ethernet A particular type of LAN described in a standard established by the IEEE (802.3), with 10Mbps data transmission. F Fast Ethernet An extension of Ethernet LAN (defined in standard 802.3u) to allow 100Mbps transmissions. H Hub The central device in a star-topology LAN used to connect each station to the network.
Internet Server User’s Guide ISP Internet Service Provider. ISPs are companies that provide internet access, often through a modem-to-modem phone line connection. L LAN Local Area Network, an interconnected set of computers and other devices, in an office for example. Leased-Line A phone line, usually “rented” from a phone company, which is dedicated to the sole use of the “renter.” Internet access speeds are faster using a leased-line, because there is no bandwidth sharing.
Internet Server User’s Guide Twisted-pair Wire such as is commonly used with networking, consisting of pairs of copper wire usually terminating in an RJ-45 connector. U UTP/STP UTP – unshielded twisted-pair, twisted pair wire without shielding. STP – shielded twisted-pair, twisted-pair wire with shielding. W WAN Glossary Wide Area Network, an interconnected set of computers and other devices spread over a large geographic area. (Often used synonymously with “internet.
Internet Server User’s Guide INDEX 100BASE-TX................................ 51 100Mbps....................................... 51 10BASE-T..................................... 51 10Mbps......................................... 51 AT Commands............................. 53 Auto Dial ...................................... 41 baud rate....................................... 34 Baud Rate ..................................... 32 Browser......................................... 20 Cables.......................
Internet Server User’s Guide Keyin ............................................. 24 LANxi, 2, 3, 9, 26, 28, 29, 38, 39, 49, 51, 59 LAN IP address ........................... 39 LED................................ 9, 10, 47, 48 Line Type...................................... 31 Link/Rx............................................ 9 local LAN........................................ 3 Local Network.............................. 10 Log and Filter............................... 40 Login Script...................
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D-Link House, 6 Garland Road, Stanmore, London HA7 1DP U.K. TEL: 44-181-235-5555 FAX: 44-181-235-5500 WEB: www.dlink.co.uk U.S.A. D-LINK SYSTEMS, INC. 53 Discovery Drive, Irvine, CA 92618 USA TEL: 1-949-788-0805 FAX: 1-949-753-7033 WEB: www.dlink.com E-MAIL: tech@dlink.
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