DP-802 NWay Internet/Print Server User’s Guide Rev. 02 (June, 1999) 6DP802H...
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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.
gether with a copy of the Registration Card. If a Registration Card for the product in question has not been returned to a D-Link office, then a proof of purchase (such as a copy of the dated purchase invoice) must be provided when requesting warranty service. The term "purchase" in this software warranty refers to the purchase transaction and resulting license to use such software.
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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.
T ABLE OF C ONTENTS QUICK INSTALLATION .................................................................1 INTRODUCTION ............................................................................5 About This Guide......................................................................5 Audience...................................................................................5 Overview of the User’s Guide....................................................5 Product Description ................................
Normal LED Flash Pattern ................................................... 16 Connecting to the Local Network............................................. 16 Connecting to the Internet....................................................... 18 Connecting Power ................................................................... 19 INTERNET SERVER SETUP ........................................................20 Setting IP Addresses...............................................................
Internet/Print Server User’s Guide Local LAN -> Subnet Mask ................................................... 39 DNS IP Address .................................................................... 39 Maximum Idle Time.............................................................. 40 Operation Mode ..................................................................... 40 Change Password.................................................................. 41 WAN Port Configuration..............................
Filter NetBIOS over TCP/IP .................................................. 57 Display Information ................................................................ 57 Displaying Information .......................................................... 57 Tools ...................................................................................... 58 Save Configuration ................................................................. 59 TROUBLESHOOTING .......................................................
Internet/Print Server User’s Guide GLOSSARY ................................................................................77 INDEX.........................................................................................
Q UICK INSTALLATION This section takes you through a step-by-step minimum installation and setup procedure for the internet/print 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 11.
Internet/Print Server User’s Guide Step 4: Connect the internet/print server to the printer using the LPT port and a parallel cable. See Chapter “Print Server Setup” for information on how to setup the print server settings and see the IS Admin User’s Guide for information on shared print services. Step 5: Connect the internet/print server to a modem or ISDN/TA using the device’s serial port (COM).
Configuration Step 7: Before you can use your internet/print server, IP addresses on your LAN’s PCs must be set so that they are compatible with the internet/print server’s settings. The internet/print server comes with the default local IP address: 192.168.100.1 and the default subnet mask setting: 255.255.255.0.
Internet/Print Server User’s Guide Mandatory Settings for Internet Access Step 9: 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 modem will dial. Look under the “WAN Port Settings” menu for this setting and enter the phone number provider by your ISP. Step 10: ISP Account -> User ID, your ISP should also have assigned a User ID (aka, a username) that you will use for logging-in.
1 INTRODUCTION This chapter introduces this manual, the DP-802 internet/print server, as well as some of the technology that underlies it. About This Guide This guide explains how to install and use the DP-802 NWay port internet/print 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 ♦ Chapter 1, Introduction. Provides information on the DP-802 and internet/print server technology.
Internet/Print Server User’s Guide ♦ Chapter 2, Installation. Helps you unpack, understand and install the DP-802. ♦ Chapter 3, Internet Server Setup. Explains how to configure the settings for the internet functions on the internet/print server. ♦ Chapter 4, Print Server Setup. Explains how to configure the settings for the print server functions on the internet/print server. ♦ Chapter 5, Configuration Settings.
Product Description The DP-802 internet/print 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. The DP-802 also supports local network print server operations. Product Features The list below highlights the features and specifications of the DP802 internet/print server.
Internet/Print Server User’s Guide ♦ 56K (maximum) modem speed support ♦ 128K (maximum) ISDN/TA speed support ♦ Internet features include: Dial-On-Demand, NAT internet access, DHCP server, and virtual server. ♦ Print Server support includes the following print server protocols: TCP/IP, NetBEUI, and AppleTalk. ♦ Flash memory for easy firmware upgrades. Internet Server Technology The concept behind internet servers is to provide internet access for multiple users through a single internet account.
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). This implementation is useful when the LAN has run out of IP addresses.
Internet/Print Server User’s Guide note that the WAN ports on the DP-802 are disabled when it is operating in LAN-to-LAN mode.
2 INSTALLATION This chapter provides information on the unpacking and initial installation of your internet/print server. Unpacking Open the shipping carton of your internet/print server and carefully unpack the contents. The carton should contain the following items: ♦ One internet/print server device ♦ One AC power adapter, suitable for your area’s electrical power connections ♦ One 3.5” diskette with IS Admin software ♦ IS Admin User’s Guide ♦ One 3.
Internet/Print Server User’s Guide ♦ Wall mount hardware ♦ This User’s Guide ♦ One lpr software diskette ♦ One lpr User’s Guide Inspect the device and all accompanying items. If any item is damaged or missing, report the problem to your dealer immediately. 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.
Wall Installation The product can be installed on a wall. When installing, you need to attach two tapping screws and two screw anchors to the bottom of the device. Wall mount supplies are included.
Internet/Print Server User’s Guide Serial – WAN The serial port is used for a WAN connection either to a modem or an ISDN terminal adapter. The serial port is a standard male 9-pin RS-232 connector. Parallel – Printer The parallel port is used for connecting to a printer for sharing to the LAN. This port is a standard female 25-pin parallel connector. RJ-45 – LAN The internet/print server has a single, NWay RJ-45 LAN port.
DP-802 Front Panel / LEDs Pw/Tx The Pw/Tx (power/transmit) LED lights when power is supplied to the device and flashes when the LAN port transmits data. Link/Rx The Link/Rx (link/receive) indicator will light up when a good connection is made at the LAN port with an operating and compatible Ethernet or Fast Ethernet device. This indicator flashes when the LAN port receives data from the network. COM The COM port LED provides an indication of the operating status of the WAN port.
Internet/Print Server User’s Guide LPT The LPT port LED lights to indicate when data is being sent to the network printer it is connected to. If no data is being transmitted, the LPT LED will be off. Normal LED Flash Pattern Immediately after power-up, all four of the LEDs should display steady green for several seconds. Then the COM LED and LPT LED should flash simultaneously three times.
PC’s IP address, subnet mask and gateway to match the default settings of the internet/print server), you may configure other parameters from your network station using Telnet or a web browser.
Internet/Print Server User’s Guide Connecting to the Internet The internet/print server must be connected to the internet (this is also known as a “Wide Area Network or ‘WAN’” connection) using the COM serial port. The COM port can either be connected to the serial port of a modem (or fax/modem), or to an ISDN terminal adapter. The faster the WAN connection is, the faster access will be and the more users will be able to get on the internet simultaneously.
Connecting Power Power is supplied to the internet/print server through an AC power adapter. Connecting Power Since the internet/print server does not include a power switch, plugging its power adapter into a power outlet will immediately power it on.
Internet/Print Server User’s Guide 3 INTERNET S ERVER S ETUP Before it can be used, the internet/print server has some settings that need to be properly set. This chapter describes how to change default IP settings and then how to use Telnet or a web browser to manipulate the internet/print server. A description of the minimum setup required to operate is also provided. A full listing of all settings on the internet/print server is provided in Chapter 5.
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/Print 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.
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 domain) and a subnet mask of 255.255.255.0.
Internet/Print 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, start your Telnet program and enter the IP address assigned to the server when you are prompted for a host address. You should immediately see the internet/print server Telnet Interface console greeting screen. Enter the password to access the device parameters. There is no default password.
Note: When using Telnet to modify device parameters, saving those parameters immediately ends the Telnet session. Using a Browser to Configure the Server Once your PC is configured with an IP address on the same subnet as the server, start your browser program and enter the “http://” prefix, followed by the IP address assigned to the server, in the address window.
Internet/Print Server User’s Guide You should immediately see the internet/print server web browser interface menu. Note that the internet/print server IP can be bookmarked for future access so that it doesn’t need to be entered each time. The browser interface uses frames, so it is best if you use a framescapable browser program.
DNS IP Address Domain Name Service (DNS) servers are used on the internet to maintain information about which Uniform Resource Locator (URL) name relates to which internet IP address. For example, the URL: WWW.CNN.COM, is a pseudonym for the IP address: 207.25.71.25. DNS entries allow users to access resources using URLs instead of IPs. Options: Any internet DNS server IP address available through the WAN connection. This address should be provided by your ISP.
Internet/Print Server User’s Guide Example: Your ISP phone number is a local call to 916-5555 and you must dial 0 in order to get an outside line from the office where you want to use the internet/print server. You would enter 0,,9165555 in the “ISP Account -> Phone Number” setting. The two commas instruct the modem to pause between dialing the 0 and dialing the rest of the number. This pause is necessary if there is normally a moment or two between dialing 0 and getting an outside dial tone.
Must Be User Modified? Yes. Description: This setting is the user ID that will be provided to the ISP once the modem connection is established. Notes: It may not be possible with some ISPs to use this setting to allow the internet/print server to automatically login. In that case, it will be necessary to use the Login Script as described below. ISP Account -> Password The password is the final step in the ISP dial-up login process.
Internet/Print Server User’s Guide Login Script The login script allows you to list prompts generated by the ISP each time a user dials-up and then provide the right responses so that the internet/print server can login. The login script should be used when the Username and Password settings above don’t work with your ISP or if your ISP’s login procedure includes additional prompts (for example, a transmission protocol choice).
Description: A login script is used to provide login prompt responses when required by the ISP login procedures. Each line item in the script table should correspond with a prompt that the ISP makes once the modem connection is established. The prompt string information entered in the table should include an indication of what data is being asked for at each step in the login process. Reply string data should be provided exactly as it would be if it were hand entered.
Internet/Print Server User’s Guide 4 P RINT S ERVER S ETUP This chapter explains how to use the internet/print server as a network print server. Print Server Features Print servers improve network printing services in three ways: ♦ They pick up the workload of managing print file traffic to connected printers. This provides workload relief to file servers, and allows the file servers’ full capacity to be used for file access or other direct services to network users.
♦ TCP/IP UNIX lpr/lpd (HP-UX, SunOS, Solaris, SCO, UnixWare, IBM AIX); Windows NT ♦ NetBEUI Windows NT, Windows 95/98, Windows for Workgroups, Microsoft LAN Manager, IBM LAN Server ♦ AppleTalk MacOS EtherTalk The print server configuration, features, and operation can all be controlled using the same Telnet or browser interface as the WAN port and other aspects of the internet/print server (see the next chapter).
Internet/Print Server User’s Guide 3. Confirm that your network is operating normally. 4. Connect the internet/print server to the network (through the RJ-45 port on the print server’s rear panel). 5. While the printer is powered off, install a printer cable to connect its parallel port to the printer port of the internet/print server. 6. Switch printer power on. 7. Plug the AC power adapter’s output plug into the power input socket on the rear panel of the internet/print server. 8.
features of the internet/print server. Chapter 5 explains each operational section of the interface and its settings. Refer to the section on print server configuration for details. The following settings and controls are provided for operating and managing the print server port of the internet/print server: 1. 2. 3. 4. 5. 6. 7. 8.
5 C ONFIGURATION S ETTINGS This chapter provides information about all of the configuration settings available on the internet/print server. Information about the range of values, default setting, and purpose for each setting is given. Sections and setting order correspond with the menu listings presented by the internet/print server Telnet console program. Note that those settings which must be user configured are further detailed in Chapter 3.
Internet/Print 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/print server on network management lists of active devices.
server address is 192.168.100.1, all other addresses assigned to local network devices must start with 192.168.100 and have a final number between 2 and 255. Local LAN -> Subnet Mask This setting defines the subnet level the internet/print 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.
Internet/Print Server User’s Guide Must Be User Modified? Yes. Description: A Domain Name Service (DNS) server address is used to translate URLs into their corresponding IP addresses. Maximum Idle Time This setting allows you to set an idle time after which the internet/print 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.
♦ LAN-to-LAN Internet Server -> Default Gateway: Router’s IP Address. Default Value: Mode = LAN-to-WAN Description: This option only needs to be changed if the internet/print server isn t going to be used to connect directly to an ISP. Enabling LAN-to-LAN mode automatically disables the LAN-to-WAN 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.
Internet/Print Server User’s Guide WAN Port Configuration Line Type Options: Disable, Dialup, Lease Line. Default Value: Dialup Description: The WAN port must be configured for use as either a dial-up connection or a leased-line connection. Baud Rate Options: 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800 bps. Default Value: 115200 bps Description: The setting of this setting sets the maximum bits per second data transmission rate on the line.
Description: The phone number entered in this setting is the number the internet/print server will dial to establish its internet (WAN) connection. Note: If the ISP phone line is busy, the internet/print server will automatically redial. Three successive redial attempts will be made. ISP Account -> User ID Options: For dial-up connections, the ISP assigned user ID name exactly as provided (i.e., all letters capitalized where necessary, underscores and other punctuation included).
Internet/Print Server User’s Guide ISP Account -> IP Address Options: count. The IP address the ISP has assigned to this ac- Default Value: 0.0.0.0 Description: Dial-up connections should use address 0.0.0.0 if the IP will be dynamically assigned at each connection. Otherwise, enter the IP address assigned by your ISP. Modem AT Commands Options (sub-settings): ♦ Init.
2. Data Carrier Detect (DCD) to follow carrier signal status. 3. Data Set Ready (DSR) to on while the modem is on. 4. Data Terminal Ready (DTR) to off to hang-up. 5. Enable RTS/CTS flow control. Login Script 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.
Internet/Print Server User’s Guide Description: A login script is used to provide login prompt responses when required by the ISP login procedures. Each line item in the script table should correspond with a prompt that the ISP makes once the modem connection is established. The prompt string information entered in the table should include an indication of what data is being asked for at each step in the login process. Reply string data should be provided exactly as it would be if it were hand entered.
Parallel Port -> Speed Options: High/Low. Default Value: High Description: The parallel port speed setting controls the rate (in general) at which print job data will be transmitted to the printer. Most newer printers can accept high speed data transmission; If your printer loses characters, then you may need to choose low speed mode. Parallel Port -> PJL Printer Options: Yes/No.
Internet/Print Server User’s Guide what servers and resources will appear by default in lists of accessible resources. You should assign to the print server the same workgroup name as the users who will be accessing it most often. NetBEUI -> Maximum Connected Stations Options: A number between 16 and 100. Default Value: 32 Description: The NetBEUI protocol allows you to limit the number of connections to a shared printer to prevent queue overloads.
Description: The AppleTalk print protocol requires that shared postscript printers be identified as to whether they are Level 1 or Level 2 postscript. AppleTalk -> Font Group Options: No font, All fonts, Standard 35, Standard 13 Default Value: Standard 35 Description: The AppleTalk print protocol requires that shared postscript printers be identified as to what font group is supported by the printer. Most postscript printers support Standard 35 (Adobe 35N font set).
Internet/Print Server User’s Guide an IP address automatically” option under TCP/IP will have to be selected. Enable Options: Yes/No Default Value: Yes Description: This setting is the “on/off” switch for using a DHCP server. DHCP (Dynamic Host Configuration Protocol) allows IP addresses to be dynamically assigned. Rather than assigning a specific local IP address to each station, the internet/print server will assign IPs to each station dynamically if the DHCP server function is enabled.
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 setting. Default Value: 192.168.100.150 Description: This setting indicates the end of the range of IP addresses available for DHCP use in assigning IPs. It is paired with the previous setting to create an address range.
Internet/Print Server User’s Guide (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.
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 Setting 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/Print Server User’s Guide Advanced Control Configuration Manager Server IP Address This setting is the IP address of the computer using the IS Manager Server software included with the device. The default IP address is 0.0.0.0. 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.
A table showing all the hours in all the days of the week. Choose Add to add a period of time to the table during which the internet server can dial out. ♦ Holiday Table The holiday table is used to create exceptions to the schedule table. The holiday table lists all 12 months. Choose Add to add a date to the holiday table. Any dates designated in the holiday table will keep the internet server from dialing out on that day. The Holiday table is only enabled when scheduling is enabled.
Internet/Print Server User’s Guide limits defined in the schedule table, the internet server will not dial out. Routing Table The static routing table allows the internet server to coexist on the same network with a router. This implementation depends on whether the router has its own WAN access to the internet. If the router does not have a connection to the internet, then you do not need to create a new IP network or IP subnet.
Note: If you are creating a second IP network, do not allow the internet server to use DHCP if the router is also using DHCP, unless the router is supplying IP addresses on only one port and the internet server is not connected to that port. Filter NetBIOS over TCP/IP As the name states, this feature allows you to filter NetBIOS traffic when it is transmitted over TCP/IP. This can prevent NetBIOS packets, domain name queries for example, from initiating a dial-up connection.
Internet/Print Server User’s Guide ♦ DHCP Server Status Displays a table of DHCP servers with the following information: IP Address, MAC Address, and Lease Time. ♦ User Connection Status Displays a table of current user connections with the following data: Source IP, Destination IP, Protocol, Path, and Idle. Each user connected to the internet through the server will be listed.
♦ Dial Up – Dial the ISP phone access for one or the other WAN port using the configuration stored under the WAN port control. ♦ Hang Up – Send the phone disconnect command string to the modem immediately to end the current session. ♦ Reset – Return the internet/print server’s settings to their state prior to changes made this session and restart the device. ♦ Factory Reset – Return the internet/print server’s set- tings to their original factory values and restart the device.
Internet/Print 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: 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.
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 1 long 9 short off LPT Error 10 fast flashing on EEPROM Error 11 1 long off LAN IO Base Error 11 short Device Installation Problems WAN IP ADDRESSES: If you have trouble connecting
Internet/Print Server User’s Guide Print Server UNSUPPORTED PROTOCOL: The internet/print server supports the TCP/IP, NetBEUI, and AppleTalk print protocols. If your network is using some other print protocol (NetWare IPX/SPX for example), you will have printing problems. Most platforms should allow you to reconfigure and use a supported protocol. LAN IP ADDRESSES: If stations on your network have trouble connecting with the internet, double check their IP address settings.
Operating Problems ISP LOGIN PROCEDURES – LOGIN SCRIPT: It may be necessary for you to create login script entries in order to complete your login procedure. Some ISPs prompt for a communications protocol choice or other data after a successful modem connection. Refer to Chapter 5 for more information. MODEM COMMANDS: It may be necessary for you to reconfigure the initial modem commands due to operational differences in your modem.
B S PECIFICATIONS General Standards: IEEE 802.3 10BASE-T Ethernet repeater, IEEE 802.3u 100BASE-TX Fast Ethernet repeater (Class II); ANSI X3T9.
Internet/Print Server User’s Guide Environmental and Physical 66 Power Supply: 12VDC/500mA (external) Dimensions: 164 x 118.2 x 30 mm (W x L x H) Weight: 245 grams (approximately 8.6 ounces) Operating Temp.: 0° to 55°C Storage Temp.
C MODEM AT COMMANDS The commands provided in the table below are used to control modems and are provided as a supplemental reference to documentation that should have been included with your modem or fax/modem. Basic AT Command Set Each command, except for “+++” and “A/”, must be preceded by “AT” and executed when you press the key. Command Var Description +++ – Escape to command mode A/ – Repeat last command A – Answer command Protocol for 1200 bps connection Bn 0 V.
Internet/Print Server User’s Guide W , Inserted between digit. defined by S8. ! Flash. Inserted between digit. Cause modem to go on-hook for 0.5 seconds and return to offhook. ; Command append. Return to command mode after dialing to allow additional dialing com mand. S=n Dial a stored number where n is equal to 0, 1 or 2 corresponding to the slot num ber. Pause for the period Select Line Modulation Fn 68 Inserted between digit. Wait for dial tone for the period defined by S7 before dialing.
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/Print Server User’s Guide 3 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 +++ com mand 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.
Extended Response Code Wn 0 Report DTE speed in EC mode. (Default) 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. (D efault) 1 Modem sends break signals for 4 seconds before disconnecting.
Internet/Print Server User’s Guide 3 Hardware (RTS/CTS) flow control 4 Software (Xon/Xoff) flow control Data Set Ready (DSR) &Sn 0 72 DSR overridden, DSR always on Modem AT Commands
D P ORT P INOUTS This appendix provides pinout data for the internet/print server’s ports. Serial Port The table below shows the pinouts of the internet/print server’s 9pin RS-232 serial port. Consult your modem’s documentation for detailed information on how to physically connect the internet/print server to it.
Internet/Print Server User’s Guide Parallel Port The table below lists the pinouts of the internet/print server’s 25-pin parallel port connector (identical to the parallel port connector used on most personal computers), and the corresponding pin numbers for the 36-pin Centronics connector used on most printers. Signal names beginning with n are active-low signals.
Port Pinouts 75
Internet/Print Server User’s Guide Straight Twisted-Pair Cable Pinouts Contact MDI-X Signal MDI Signal 1 RD+ (receive) TD+ (transmit) 2 RD- (receive) TD- (transmit) 3 TD+ (transmit) RD+ (receive) 4 Not used Not used 5 Not used Not used 6 TD- (transmit) RD- (receive) 7 Not used Not used 8 Not used Not used RJ-45 Twisted-Pair Cabling Active Pinout Configuration 76 Port Pinouts
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/Print 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. See “CSMA/CD.
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/Print 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.
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.
1 INDEX A Adjust Time ................................. 59 AppleTalk................................ 33, 48 Auto Dial ...................................... 55 B Dial-up Schedule.............................54 Display Configuration................57 Display Information.......................57 DNS................................................26 DNS IP Address.......................26, 39 DSR ................................................45 DTR................................................
Internet/Print Server User’s Guide Installation Problems...................... 62 Internet connection......................... 17 internet server................................... 9 Internet Server.................................. 8 IP Address................................ 38, 44 IP Address Range ........................... 50 IP Lease Time................................. 51 IP networking................................. 23 IP Reserve Table ............................ 51 IP subgroups.................
S Save Configuration ......................... 59 Schedule Table............................ 54 Server Address Configuration ........ 52 Server Name ................................... 38 Speed.............................................. 47 static routing table.......................... 56 STP................................................... 1 subnet mask.................................... 20 Subnet Mask .................................. 39 System POST................................. 61 T TCP/IP ....
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Internet/Print Server User’s Guide TEL: 1-949-788-0805 FAX: 1-949-753-7033 WEB: www.dlink.com E-MAIL: tech@dlink.
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