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Agilent Technologies E2050 Installation And Configuration Manual

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Summary of Contents for Agilent Technologies E2050

  • Page 1 Agilent E2050 LAN/GPIB Gateway Installation and Configuration Guide...

  • Page 3: Table Of Contents

    Guide Contents ..............13 Related Software Documentation ......... 14 E2050 Hardware Description ............15 E2050 LAN/GPIB Gateway Front Panel ....... 15 E2050 LAN/GPIB Gateway Rear Panel ....... 16 AC/DC Adapter and AC Power Cord ........17 Rack Mount Kit (Optional) ............ 17 E2050 Software/Firmware Architecture ........
  • Page 4 4. Administration ..................63 Using the Telnet Utility..............65 Accessing the Telnet Utility ...........65 Exiting the Telnet Utility ............68 Telnet Commands ..............68 Querying the Gateway..............70 Querying the Current Configuration ........70 Querying the Firmware Revision ...........70 Querying the Configuration Method ........71 Querying Gateway/Client Connections .........71 Configuring the Gateway ..............75 Setting Default Configuration Values ........75 Changing the Configuration Method ........75...

  • Page 5: Front Matter

    The information contained in this document is subject to change without notice. Agilent Technologies shall not be liable for any errors contained in this document. Agilent Technologies makes no warranties of any kind with regard to this document, whether express or implied. Agilent Technologies specifically disclaims the implied warranties of merchantability and fitness for a particular purpose.

  • Page 6: Contacting Agilent

    Copyright © 1984, 1985, 1986, 1987, 1988 Sun Microsystems, Inc. Copyright © 1995-1996, 2001 Agilent Technologies, Inc. All rights reserved. Contacting Agilent In the USA and Canada, you can reach Agilent Technologies at these telephone numbers: USA: 1-800-452-4844 Canada: 1-877-894-4414 Outside the USA and Canada, contact your country’s Agilent support...

  • Page 7: Safety Considerations

    Servicing There are no user-serviceable parts inside the E2050 LAN/GPIB Gateway or its power module (AC/DC Adapter). Any servicing, adjustment, maintenance, or repair must be performed by service-trained personnel only.
  • Page 8 Make sure you use only shielded cables to connect peripherals to your device. Consult your dealer, Agilent Technologies, or an experienced radio/ television technician for other suggestions. Order the FCC booklet How to Identify and Resolve Radio-TV Interference Problems from the U.S.

  • Page 9: Declaration Of Conformity

    UL 3111-1: 1994 21 June 2001 Date Ray Corson Product Regulations Program Manager For further information, please contact your local Agilent Technologies sales office, agent or distributor. Authorized EU-representative: Agilent Technologies Deutschland GmbH, Herrenberger Straße 130, D 71034 Böblingen, Germany...

  • Page 11: Introduction

    Introduction...
  • Page 12 Introduction This Agilent E2050 LAN/GPIB Gateway Installation and Configuration Guide gives guidelines to install and configure the E2050 LAN/GPIB Gateway (Gateway) for use with supported, network-equipped computer systems. You can also use this guide to administer the Gateway on your network and to troubleshoot installation or configuration problems.

  • Page 13: How To Use This Guide

    Guide Contents Chapter Description Chapter 1 - Overview Provides an overview of the E2050 LAN/GPIB Gateway. Chapter 2 - Installation Shows how to install the Gateway on LAN and GPIB. Chapter 3 - Configuration Shows how to configure the Gateway on your network.

  • Page 14: Related Software Documentation

    Related Software Documentation Suggested software manuals you can use for E2050 LAN/GPIB Gateway operation with the listed I/O application software products follow. The E2050 Gateway supports all I/O application operations by these software products except for parallel polling, SICL commander sessions, and asynchronous aborting.

  • Page 15: E2050 Hardware Description

    Introduction E2050 Hardware Description E2050 Hardware Description In addition to this guide, the E2050 product package consists of: E2050 LAN/GPIB Gateway Front Panel E2050 LAN/GPIB Gateway Rear Panel AC/DC Adapter and Standard AC Power Cord Rack Mount Kit (Optional) E2050 LAN/GPIB Gateway Front Panel As shown in the following figure, the front panel of the Gateway contains 8 light-emitting diodes (LEDs) that indicate the status of the Gateway.

  • Page 16: E2050 Lan/Gpib Gateway Rear Panel

    (for Ethernet/IEEE 802.3 protocol). You will need to purchase both a converter and a Medium Attachment Unit (MAU) to use the E2050 LAN/GPIB Gateway with ThickLAN or a fiber optic network. Contact Agilent Technologies for information on these and other networking products.

  • Page 17: Ac/Dc Adapter And Ac Power Cord

    Introduction E2050 Hardware Description AC/DC Adapter and AC Power Cord As shown in the following figure, the power module (AC/DC Adapter) (Agilent part number 0950-2546) provides 5 Vdc power to the Gateway. The 4-foot, DC cable attached to the power module connects to the power input on the back panel of the Gateway.

  • Page 18: E2050 Software/Firmware Architecture

    Software/Firmware Overview Using Applications Software I/O Application Software Supported The E2050 LAN/GPIB Gateway supports these I/O application software products. The Gateway supports all I/O application operations provided by these software products except for parallel polling, SICL commander sessions, and asynchronous aborting.

  • Page 19: Typical Lan Connections

    Introduction E2050 Software/Firmware Architecture Typical LAN Connections The E2050 LAN/GPIB Gateway combines hardware and firmware in a single box that provides a network gateway between network-equipped computer systems and GPIB based instruments. The Gateway enables users of I/O applications to obtain measurement data either locally or remotely from GPIB instrumentation.
  • Page 20 GPIB bus. Network-equipped computer systems that are supported for use with the Gateway include Series 700 workstations and 32-bit PCs. Following the client/server model of computing, the computer system is the , and the E2050 LAN/GPIB Gateway acts as the client server Client System...

  • Page 21: Software/Firmware Architecture Overview

    The LAN client software provided with SICL uses the TCP/IP LAN protocol suite to pass messages between the client system and the server (the E2050 LAN/GPIB Gateway). Therefore, the client sends I/O requests over the network to the server. The server then executes those I/O requests on the appropriate GPIB based instrument(s) connected to the server.

  • Page 22: Using Application Software

    Using Application Software This section summarizes how the software on a client computer system works with the E2050 LAN/GPIB Gateway to complete I/O application operations on attached GPIB instruments. For more information on how to use your software with the Gateway, see the applicable software documentation as listed in “Related Software Documentation”.

  • Page 23: Installation

    Installation...
  • Page 24 Installation This chapter shows how to install the E2050 LAN/GPIB Gateway on the LAN and the GPIB bus for use with network-equipped computer systems, including: Hardware Requirements Software Requirements Hardware Installation Chapter 2...

  • Page 25: Hardware Requirements

    HP 9000 Series 700 workstation 32-bit personal computer (PC) A local area network (LAN) to which the client system(s) and the E2050 LAN/GPIB Gateway can connect via the appropriate LAN cables. The E2050 LAN/GPIB Gateway. The power module and standard power cord to provide power to the Gateway.

  • Page 26: Software Requirements

    Installation Software Requirements Software Requirements Each client computer system that will access the Gateway must be running one of the following operating systems. HP-UX Version 9 or Version 10.01 or later (for Series 700 workstations) Microsoft Windows 95, Windows 98, Windows 2000, Windows Me, or Windows NT (for 32-bit PCs) You must also have one or more of the following I/O application products installed and configured on each client computer system that you want to...

  • Page 27: Installing The Hardware

    LAN, GPIB bus, and power module. Step 1: Record LAN Hardware Address First, find the hardware address of the LAN interface in the E2050 LAN/GPIB Gateway. Turn the Gateway over and look for the label on the underside of the Gateway.
  • Page 28 LAN cable to the RJ-45 connector on the Gateway. To connect the Gateway directly to a client computer system, you will need a special twisted-pair cable. Contact Agilent Technologies for more information. For Ethertwist, connect the LAN cable to the Ethertwist Connection.
  • Page 29 Installation Installing the Hardware For ThinLAN, connect the LAN cable to the ThinLAN Connections. BNC connector on the back panel of the Gateway using a BNC “T” connector. Make sure the ThinLAN segment is properly terminated. If the Gateway is the end node on the LAN, a 50-ohm BNC terminator must be attached to the “T”...
  • Page 30 Installation Installing the Hardware Step 4: Connect GPIB Cable and Power Cords NOTE The power module and Gateway do not have power switches. Connecting the standard AC power cord to the power source (wall outlet) activates both units. The power module automatically adapts to the correct AC voltage range for your power source.
  • Page 31 If the LED remains illuminated, a hardware fault was Fault found during the power-on, hardware self-test of the Gateway. Please contact Agilent Technologies for instructions. Service is required only if the LED remains illuminated. Fault Once you have verified that the hardware is working properly (the Gateway’s green...
  • Page 32 Installation Installing the Hardware Notes: Chapter 2...

  • Page 33: Configuration

    Configuration...
  • Page 34 Gateway’s configuration. NOTE If the E2050 LAN/GPIB Gateway is already configured and you want to change the configuration, see “Configuring the Gateway” in Chapter 4 first. Then, use this chapter to reconfigure the Gateway.

  • Page 35: Setting Configuration Values

    How Configuration Values are Used Steps to Set Configuration Values To configure an E2050 LAN/GPIB Gateway on a network, you will need to: Know the configuration values that can be used for the Gateway, including the defaults (if any) that are preset for each configuration value.
  • Page 36 Network Administrator who can assign the Gateway’s IP address for you. The following table describes the configuration values for the E2050 and the applicable default (factory-set) values. The E2050 LAN/GPIB Gateway is shipped from the factory with default settings for the configuration values listed in the table.
  • Page 37 BOOTP or the BOOTP with TFTP configuration method. Hostname This value configures the Internet domain name for the LAN/ E2050 GPIB Gateway. This name is used in some error and status messages, but is not a required configuration setting. The maximum length of the hostname value is 35 characters.
  • Page 38 Configuration Setting Configuration Values Value Default Value Description IP Address This value is the Internet Protocol (IP) address of the 192.0.0.192 LAN/GPIB Gateway. The IP address is a required value and is used for all IP and TCP/IP communications with the LAN/GPIB Gateway.
  • Page 39 Configuration Setting Configuration Values Value Default Value Description LAN Timeout This value sets the LAN connect timeout in seconds. The 0 sec Gateway may use the TCP keepalive timer of the TCP/IP protocol stack to determine if a client is still reachable. By specifying this configuration value, the Gateway turns on the keepalive timer when connecting to the client.
  • Page 40 Configuration Setting Configuration Values Value Default Value Description Syslog Server Typically, syslogd obtains its routing information from the / 0.0.0.0 Address (cont’d) etc/syslog.conf configuration file, which you can edit to specify the log file to which you want syslog messages from the LAN/GPIB Gateway routed.

  • Page 41: How Configuration Values Are Used

    Setting Configuration Values How Configuration Values are Used The E2050 LAN/GPIB Gateway uses the default configuration values and/or the configuration values that you changed or set depending on certain situations, such as when the power is cycled on the Gateway or when the button on the back panel of the Gateway is pressed.
  • Page 42 Configuration Setting Configuration Values Config When the The recessed button on the back panel of the Gateway is used Config Preset Preset Button is to reset the LAN/GPIB Gateway to its default configuration values (preset at Pressed the factory). The button has two modes of operation.

  • Page 43: Configuration Methods

    Using BOOTP Configuration (HP-UX) Using BOOTP with TFTP Configuration Method (HP-UX) Configuration Methods Overview Summary descriptions of the three methods to configure an E2050 LAN/GPIB Gateway on a network follow. NOTE If you configure the Gateway on your network from a Windows 95/98/2000/ you must use the Telnet configuration method.
  • Page 44 Configuration Configuration Methods BOOTP BOOTP is a bootstrap protocol that allows critical configuration values such as the IP address and subnet mask to be set easily. With the BOOTP configuration method, you set the values for the Gateway in the /etc/bootptab file.

  • Page 45: Using Telnet Configuration Method (Windows)

    Configuration Configuration Methods Using Telnet Configuration Method (Windows) To configure the LAN/GPIB Gateway on your network using the Telnet configuration method from a Windows 95/98/2000/Me/NT client system: Power-on the Gateway by plugging the AC power cord from the power module into a power outlet (wall outlet). Once the Gateway is powered on, press the button Config Preset...
  • Page 46 Gateway as shown. In this display, the hardware-addr: value is an example. Your hardware-addr: value will be correct for your Gateway. Welcome to the E2050 LAN/GPIB Gateway configuration utility. Commands Show additional commands exit, quit...
  • Page 47 LAN/GPIB Gateway. Do not change the hardware address value via Telnet. Its value in the Telnet configuration table is for information purposes only. Configuration Value Telnet Command Default Value Hostname hostname: E2050 IP Address 192.0.0.192 Default Subnet Gateway Address gateway: 0.0.0.0 Subnet Mask subnet-mask: 0.0.0.0...
  • Page 48 LAN/GPIB Gateway. At the client system, type: ping hostname (or) IP_address Enter For example, using a Gateway’s hostname: ping E2050.agilent.com Enter Or, using a Gateway’s IP address: ping 156.140.4.249 Enter...
  • Page 49 Gateway from the client system. If the response is similar to the following, the Gateway has ping been configured successfully. Pinging E2050.agilent.com[128.10.0.3] with 32 bytes of data: Reply from 128.10.0.3:bytes=32 time=10ms TTL=255 Reply from 128.10.0.3:bytes=32 time=10ms TTL=255 Reply from 128.10.0.3:bytes=32 time=10ms TTL=255...

  • Page 50: Using Telnet Configuration Method (Hp-Ux)

    Configuration Configuration Methods Using Telnet Configuration Method (HP-UX) To configure the LAN/GPIB Gateway on your network using Telnet from an HP-UX client system, do the following: Power-on the Gateway by plugging the AC power cord from the power module into a power outlet (wall outlet). After the Gateway is powered on, press the recessed Config Preset button on the back panel of the Gateway.
  • Page 51 On HP-UX 10.01, you may see the string Local flow control off at the bottom of the screen. This will not affect the use of the Telnet utility to configure the E2050. Welcome to the E2050 LAN/GPIB Gateway configuration utility. Commands Show additional commands...
  • Page 52 LAN/GPIB Gateway. Do not change the hardware address value via Telnet. Its value in the Telnet configuration table is for information purposes only. Configuration Value Telnet Command Default Value Hostname hostname: E2050 IP Address 192.0.0.192 Default Subnet Gateway Address gateway: 0.0.0.0 Subnet Mask subnet-mask: 0.0.0.0...
  • Page 53 LAN/GPIB Gateway. At the client system, type: ping hostname (or) IP_address Return For example, using a Gateway’s hostname: ping E2050.agilent.com Return Or, using a Gateway’s IP address: ping 156.140.4.249 Return...
  • Page 54 Configuration Configuration Methods PING E2050.agilent.com: 64 byte packets 64 bytes from 128.10.0.3: icmp_seq=0. time=3. ms 64 bytes from 128.10.0.3: icmp_seq=1. time=3. ms 64 bytes from 128.10.0.3: icmp_seq=2. time=2. ms A response similar to the following indicates the client was unable to contact the Gateway.

  • Page 55: Using Bootp Configuration Method (Hp-Ux)

    For more information on the BOOTP tags, use the system man command on bootpd. Also, see “Configuration Values” for more information about each of the configuration values. Configuration Value BOOTP Tag Default Value Hostname E2050 Hardware Address None IP Address 192.0.0.192 Default Subnet Gateway Address 0.0.0.0 Subnet Mask 0.0.0.0...
  • Page 56 This example BOOTP entry configures a hostname (hn), a hardware address (ha), and an IP address (ip) for the LAN/GPIB Gateway. All other configuration values are “set” to (will default to) the factory defaults E2050:\ Hostname for this Gateway hn:\ ht=ether:\...
  • Page 57 Gateway has been ping configured successfully. PING E2050.agilent.com: 64 byte packets 64 bytes from 128.10.0.3: icmp_seq=0. time=3. ms 64 bytes from 128.10.0.3: icmp_seq=1. time=3. ms 64 bytes from 128.10.0.3: icmp_seq=2. time=2. ms...

  • Page 58: Using Bootp With Tftp Configuration Method (Hp-Ux)

    For more information on the BOOTP tags, use the system man command on bootpd. Also, see “Configuration Values” for more information about each of the configuration values. Configuration Value BOOTP Tag Default Value Hostname E2050 Hardware Address None IP Address 192.0.0.192 Default Subnet Gateway Address 0.0.0.0 Subnet Mask 0.0.0.0...
  • Page 59 TFTP configuration file is relative, with the assumption that the default TFTP mode is being used. All other configuration values are “set” to (will default to) the factory defaults. Hostname for this Gateway E2050:\ hn:\ Hardware type, which should be ether ht=ether:\...
  • Page 60 For example, the T144 value in the previous example /etc/ bootptab file was set to “E2050/gw1.cfg”. We will also assume the default TFTP mode is being used and that the client system is running HP-UX Version 9.
  • Page 61 Configuration Configuration Methods An example TFTP file follows. Consult your system documentation for any other steps required to complete the TFTP configuration file. # The E2050 gw1 Configuration File hostname: E2050 # Timeouts lan-timeout: 7200 io-timeout: 240 # IP allow list allow: 156.140.34.2...
  • Page 62 Gateway from the client system.If your ping response is similar to the following, the Gateway has been configured successfully. PING E2050.agilent.com: 64 byte packets 64 bytes from 128.10.0.3: icmp_seq=0. time=3. ms 64 bytes from 128.10.0.3: icmp_seq=1. time=3. ms 64 bytes from 128.10.0.3: icmp_seq=2.

  • Page 63: Administration

    Administration...
  • Page 64 Administration This chapter gives guidelines to administer the E2050 LAN/GPIB Gateway on your network, using the Telnet utility provided with the LAN/GPIB Gateway. The Telnet utility provides a command line interface for accomplishing administration tasks, including Telnet configuration of the Gateway, querying the status of the Gateway and its client connections, etc.

  • Page 65: Using The Telnet Utility

    Then select MS-DOS Prompt. The MS-DOS window opens. If you know the IP address and hostname of the Gateway, do the following, where IP_address is the IP address of the E2050 LAN/GPIB Gateway. hostname is the hostname (Internet domain name) of the E2050 LAN/GPIB Gateway.
  • Page 66 Telnet commands and a listing of the current configuration values for this Gateway. The following is an example screen for an E2050 LAN/GPIB Gateway. Many of the configuration values in this example screen are not the default values, which means this example Gateway was previously configured.
  • Page 67 Administration Using the Telnet Utility Welcome to the E2050 LAN/GPIB Gateway configuration utility. Commands Show additional commands exit, quit Exit WITHOUT saving configuration changes reboot Save configuration changes and restart status Show the LAN/GPIB Gateway connection status Configuration Parameters hostname:...

  • Page 68: Exiting The Telnet Utility

    Gateway. Telnet Commands Table 4-1 lists the Telnet commands you can use to administer the E2050 LAN/GPIB Gateway. Many Telnet commands are for configuration purposes only. These commands have a colon (“:”) and italicized value parameter after them (for example, allow: IP_address(es)).
  • Page 69 Administration Using the Telnet Utility Command Description Set the IP allow list configuration value for the Gateway. allow: IP_address(es) Turn ON or OFF the use of BOOTP or BOOTP with TFTP bootp: ON/OFF configuration of the Gateway. Quit the Telnet utility without saving configuration changes. Display the current configuration settings for the Gateway.

  • Page 70: Querying The Gateway

    Administration Querying the Gateway Querying the Gateway This section gives guidelines to query the E2050 LAN/GPIB gateway, including: Querying the Current Configuration Querying the Firmware Version Querying the Configuration Method Querying Gateway/Client Connections Querying the Current Configuration As soon as you access the Gateway’s Telnet utility, you see a screen of information, including a listing of the Gateway’s current configuration...

  • Page 71: Querying The Configuration Method

    Administration Querying the Gateway Querying the Configuration Method If you do not know the configuration method currently used for the Gateway, you can determine the method via the bootp: ON/OFF Telnet configuration value. To do this: At the Telnet prompt (>), type config. This displays the current configuration settings for the Gateway.
  • Page 72 Administration Querying the Gateway The following is an example status screen of clients connected to an E2050 LAN/GPIB Gateway. Server ID Client IP Addr Client Sess Operation Lock Device/Intf 0x2008f624 156.140.4.247 4139 hpib,1 WRITE hpib,21 hpib 0x2008f40c 190.2.49.138 2759 LOCK...
  • Page 73 Administration Querying the Gateway All the sessions for a particular connection are listed together and only the first session has the Server ID, Client IP Addr, and Client ID specified. For a given client, one session at most will have an operation pending or in progress at a given time.
  • Page 74 Administration Querying the Gateway Operation SICL Function GETT1 igpibgett1delay HINT ihint igpibllo LOCAL ilocal LOCK ilock ONINTR ionintr ONSRQ ionsrq OPEN iopen PASSCTL igpibpassctl READ iread READSTB ireadstb REMOTE iremote RENCTL igpibrenctl SENDCMD igpibsendcmd SETINTR isetintr SETT1 igpibsett1delay TRIGGER itrigger, ixtrig UNLOCK iunlock VERSION...

  • Page 75: Configuring The Gateway

    Administration Configuring the Gateway Configuring the Gateway This section gives guidelines to configure the E2050 LAN/GPIB Gateway, including: Setting Default Configuration Settings Changing the Configuration Method Using the Gateway’s syslog File Terminating Client Connections Setting Default Configuration Values To return the Gateway to all of its default configuration values, you can...
  • Page 76 Administration Configuring the Gateway To change the configuration method used for the Gateway, you can modify the bootp: ON/OFF Telnet configuration value or you can press the Config button. Once you have changed the configuration method, follow the Preset procedures in Chapter 3 to configure the Gateway via the new method. NOTE The bootp: ON/OFF configuration value in the Telnet utility is automatically set to...

  • Page 77: Using The Gateway's Syslog File

    Windows 95/98/Me/2000/NT clients do not support a syslog server. However, you cab use the syslog-display Telnet command on Windows 95/98/Me/2000/NT clients to view messages stored in the E2050. Viewing syslog The messages logged to a file can be viewed via the syslog- Messages display Telnet command.
  • Page 78 BOOTP server system that is running the bootpd daemon. See Chapter 5 for a list of the common syslog messages that are generated by the E2050 LAN/GPIB Gateway. Maintaining the Messages written to the actual syslog file are constantly appended to the syslog File file (the log file is not overwritten with new messages).

  • Page 79: Terminating Client Connections

    Administration Configuring the Gateway Terminating Client Connections If after querying the status of the Gateway and client connections, you determine that the Gateway or a client’s I/O operation is “hung” or there is a deadlock situation between clients that are connected to the Gateway, you can reboot the Gateway to terminate all client connections.
  • Page 80 Administration Configuring the Gateway Notes: Chapter 4...

  • Page 81: Troubleshooting

    Troubleshooting...
  • Page 82 Troubleshooting Client Connections NOTE This chapter references Telnet utility commands you can use to troubleshoot problems. See Chapter 4 for E2050 LAN/GPIB Gateway Telnet utility commands. This chapter also references various configuration values. See Chapter 3 for configuration values and methods used to configure the Gateway.

  • Page 83: Gateway Failure Messages

    SICL Error Codes and Messages syslog File Messages SICL Error Codes and Messages The following table lists some common SICL error codes and messages a client application may encounter when using the E2050 LAN/GPIB Gateway. Error Code Error Message Troubleshooting Tips...

  • Page 84: Syslog File Messages

    Any invalid BOOTP values are detected when the file /etc/bootptab is read by the bootpd daemon. Errors will be sent to the syslog server for the BOOTP server system that is running the bootpd daemon. The following table lists some common syslog messages generated by the E2050 LAN/GPIB Gateway. Message Description Gateway has powered on and successfully completed its hardware self-test.

  • Page 85: Troubleshooting Network Configuration

    Verifying Network Connections Troubleshooting Network Configurations Verifying Network Connections Before attempting to communicate with the E2050 LAN/GPIB Gateway, you may want to verify that the network connection and cabling are correct. Do the following: Verify proper connections and network terminations visually (see Chapter 2 ).

  • Page 86: Troubleshooting Network Configurations

    Troubleshooting Troubleshooting Network Configuration Troubleshooting Network Configurations If some network configuration values for the E2050 LAN/GPIB Gateway are improperly configured, one or more client systems may not be able to make a connection to the Gateway. The problem may be: Improper configuration value(s) for the default subnet gateway and/ or the subnet mask.
  • Page 87 Troubleshooting Troubleshooting Network Configuration BOOTP or BOOTP To correct network configuration values when using the BOOTP or the with TFTP BOOTP with TFTP configuration method: Configuration Fix the improper value in the /etc/bootptab file or the specified TFTP configuration file. Cycle the power on the Gateway or use the Telnet reboot command.

  • Page 88: Troubleshooting Gateway Configuration

    Troubleshooting BOOTP Configuration Troubleshooting BOOTP with TFTP Configuration Verifying Gateway Configuration To verify that the E2050 LAN/GPIB Gateway is properly configured, you can: do the following: Telnet to the LAN/GPIB Gateway and use the Telnet config command to verify the current configuration settings...

  • Page 89: Verifying The Configuration Method

    Troubleshooting Troubleshooting Gateway Configuration CAUTION Any client operations in progress and client connections will be terminated by the factory-reset command when it reboots the Gateway. Verifying the Configuration Method If you have a problem configuring the LAN/GPIB Gateway (such as configuring the IP address), first verify the method of configuration for the Gateway.
  • Page 90 Troubleshooting Troubleshooting Gateway Configuration If the Gateway is powered on, configured, but you do not know the IP address: Press the button on the back panel of the Config Preset LAN/GPIB Gateway. This forces the Gateway to temporarily use the 192.0.0.192 default IP address without modifying any other configuration values.

  • Page 91: Changing The Configuration Method

    Troubleshooting Troubleshooting Gateway Configuration Changing the Configuration Method If you want to change the configuration method used for the Gateway, you can take one of three following actions. However, for Windows 95/98/Me/ 2000/NT client systems, you must use the Telnet configuration method. Neither the BOOTP nor the BOOTP with TFTP configuration methods are available on Windows client systems.

  • Page 92: Troubleshooting Telnet Configuration

    Troubleshooting Troubleshooting Gateway Configuration Troubleshooting Telnet Configuration If you have trouble configuring the LAN/GPIB Gateway using Telnet with the default IP address of 192.0.0.192: Verify that the route command was performed properly. Use netstat -r to display the network routing tables. Verify that the Gateway is on the same local subnet as the client system from which you are Telneting.

  • Page 93: Troubleshooting Bootp With Tftp Configuration

    Troubleshooting Troubleshooting Gateway Configuration Verify the BOOTP server is on the same local subnet as the Gateway. If not, consult your Network Administrator to verify that your network configuration supports using a BOOTP server that is not on the same subnet. When the Gateway is powered on, verify there is a fast flash on the LED.

  • Page 94: Troubleshooting Client Connections

    Troubleshooting Troubleshooting Client Connections Troubleshooting Client Connections This section gives guidelines to troubleshoot client connections to the E2050 LAN/GPIB Gateway, including: Client Connection Problems Client Run-time Errors Client Connection Problems Even if the E2050 LAN/GPIB Gateway has been successfully configured and the configuration has been verified, individual clients may still have problems getting a connection to the Gateway.
  • Page 95 For an HP-UX client system, type: ping hostname (or) IP_address For example: Return. >ping E2050.agilent.com PING E2050.agilent.com: 64 byte packets 64 bytes from 128.10.0.3: icmp_seq=0. time=8. ms 64 bytes from 128.10.0.3: icmp_seq=1. time=3. ms 64 bytes from 128.10.0.3: icmp_seq=2. time=3. ms 64 bytes from 128.10.0.3: icmp_seq=3. time=3. ms Each line after the PING line is an example of a packet successfully reaching the Gateway.

  • Page 96: Client Run-Time Errors

    (check the IP allow list configuration values) or the Gateway has run out of resources and cannot open the Telnet session. Client Run-time Errors Common run-time errors that may occur on a client using an E2050 LAN/GPIB Gateway follow. Message...
  • Page 97 Troubleshooting Troubleshooting Client Connections Message Description iopen fails The Gateway was unable to open another session or perform the operation or I/O operation fails: because it is out of resources. Use the Telnet status command and look in Out of resources the syslog file for any error messages to determine the current Gateway status.
  • Page 98 Troubleshooting Troubleshooting Client Connections Message Description Gateway appears to be There are several possible causes. For all of the following, use of client hung timeouts and/or Gateway timeouts (the I/O timeout and LAN timeout configuration values) can be used to ensure that the Gateway will not “hang”...

  • Page 99: Specifications

    Specifications...

  • Page 100: Specifications

    Specifications This appendix provides specifications for the E2050 LAN/GPIB Gateway, including: Power Requirements Environmental GPIB Characteristics Specifications...

  • Page 101: Power Requirements

    Total number of devices: 15 devices or less (includes Gateway). Address restrictions: Address 31 is a reserved IEEE 488 address. Address 21 is normally used by the E2050 LAN/GPIB Gateway, unless changed in the configuration table. Drivers: 48mA three-state drivers (E2).
  • Page 102 Specifications Notes: Specifications...

  • Page 103: Glossary

    Glossary...
  • Page 104 Glossary address A string uniquely identifying a particular interface or a device on that interface which is interpreted at the E2050 LAN/GPIB Gateway to identify the interface or device. BOOTP requests Broadcast messages sent at power-on from the E2050 LAN/GPIB Gateway to the BOOTP server's bootpd daemon to gain configuration information for the LAN/GPIB Gateway.
  • Page 105 A connection and communication media between devices and controllers, including mechanical, electrical, and protocol connections. Local Area Network. The E2050 LAN/GPIB Gateway can be used on either Ethertwist or ThinLAN networks. The Gateway can also be used on ThickLAN or fiber optic networks by purchasing the appropriate converter and MAU.
  • Page 106 Glossary one interface on the controller or gateway, each interface must have a unique symbolic name. TFTP The Trivial File Transfer Protocol, which is an extension to BOOTP. The Agilent Visual Engineering Environment, which is software used for I/O application programming. VISA The Agilent Virtual Instrument Software Architecture library, which is software used for I/O application programming.

  • Page 107: Index

    64 changing, 75, 91 Agilent telephone numbers, 6 querying, 71 Agilent web site, 6 verifying, 89 allow command, 69 configuration utility, E2050, 46 application software configuration values supported, 18 default values, 36 using, 22 configuration values definitions, 36...
  • Page 108 gateway configuration, verifying, 88 netstat -r, 92 gateway failure messages, 83 gateway/client connections, 71 glossary, 104 GPIB Address, 36 operation field values and SICL GPIB connector, 16 functions, 73 GPIB Interface Name, 37 GPIB Logical Unit, 37 guide, using, 13 ping command, 48, 85 Power input, 16 power-on sequence, 31...
  • Page 109 T (continued) safety, 7 Telnet utility (cont’d) server/client model, 20 default-gw command, 69 setting configuration values, 35 description, 43 setting default configuration, 88 exit command, 69 setting default configuration values, 75 exiting, 68 SICL LAN error codes, 83 factory-reset command, 69 SICL LAN protocol, 21 hardware-addr command, 69 software requirements, 26...
  • Page 110 T (continued) troubleshooting (cont’d) using the syslog file, 77 Fault LED, 85 gateway configuration, 88 hardware failure, 85 network configurations verifying configuration method, 89 BOOTP, 87 verifying gateway configuration, 88 BOOTP with TFTP, 87 verifying network connections, 85 summary, 85–86 version command, 69 Telnet, 86 setting default configuration, 88...
  • Page 111 *E2050-90003* Part Number: E2050-90003 Printed in U.S.A. E0701...

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