Bay Networks 4000 Guia de Instalação

Part No. 166-024-151 Rev. CMarch 1996Hardware Installation GuideRemote Annex4000

Remote Annex 4000 Hardware Installation Guide Figuresx

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-28Pressing after the prompt Selection (Return to exit) returns youto

3-29Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandssequenceThe sequence command edits the load/dump interface list. Thi

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-30Thesequence –d command displays the current load/dump interfacelist.

3-31Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandsslipThe slip command defines a serial port as a Serial Line Internet

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-32Table 3-2. The slip Command PromptsPrompt DescriptionAllow SLIP on t

3-33Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandsstatsThe stats command displays current network statistics gathered

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-34Table 3-3. Network Statistics (continued)Statistic DescriptionBus Wa

4-1Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting ProceduresThe Remote Annex 4000’s front panel has six system LEDs, a Test

Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting Procedures4-2Power-up and Boot ProceduresThe Remote Annex 4000 has two modes

4-3Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting ProceduresNormal Mode Error-free SequencesTable 4-1 summarizes the LED di

xiRemote Annex 4000 Hardware Installation GuideTablesTable 1-1. Remote Annex 4000 Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . .

Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting Procedures4-4Activity N1: TestingLEDsAll front panel LEDs light for a few se

4-5Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting ProceduresNormal Mode Error SequencesTable 4-2 shows the state of the LED

Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting Procedures4-6Activity NE3:Network Test FailureThe Ethernet interface did not

4-7Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting ProceduresTest Mode DiagnosticsTest ModePressing the Test switch within 3

Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting Procedures4-8Activity T1: TestingLEDsAll front panel LEDs light for a few se

4-9Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting ProceduresTest Mode Error SequencesTable 4-4 describes the state of the L

Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting Procedures4-10Activity TE2:Hardware FailureThe ROM diagnostics detected a Re

4-11Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting ProceduresBoot FailuresThe procedures for troubleshooting a power-up fai

Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting Procedures4-12Boot Error ReportIf an error occurs, a boot error report is ge

4-13Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting ProceduresTable 4-5. Errors from Last ERPC Layer InvocationTable 4-6. Er

Remote Annex 4000 Hardware Installation Guide Tablesxii

Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting Procedures4-14Table 4-7. Errors from Last Open RequestCorrecting Remote Anne

4-15Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting ProceduresUnless otherwise stated, if you are using a SLIP interface to

Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting Procedures4-16Load Server Host Not RespondingThe Remote Annex 4000 can boot

4-17Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting Procedures1 To place erpcd on the load server host into test mode, kill

Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting Procedures4-18A PC host running the UNIX operating system has both the erpcd

4-19Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting ProceduresVAX VMS Load Host on the LANIf the installation was successful

Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting Procedures4-20Remote Annex 4000 DumpsThe Remote Annex 4000 dumps its memory

4-21Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting ProceduresThe Remote Annex 4000 sends a dump file to a preferred load du

Remote Annex 4000 Hardware Installation GuideChapter 4 Troubleshooting Procedures4-22Each dump file contains a complete image of the Remote Annex 40

A-1Remote Annex 4000 Hardware Installation GuideAppendix A Port Pins and SignalsThis appendix identifies the signals and the associated pins usedby

xiiiRemote Annex 4000 Hardware Installation GuidePrefaceThis guide describes how to install a Remote Annex 4000 Series ona local area network (LAN).Se

Remote Annex 4000 Hardware Installation GuideAppendix A Port Pins and SignalsA-2Table A-1. RJ45 Console Port Pin/Signal Allocations10Base2 Ethernet

A-3Remote Annex 4000 Hardware Installation GuideAppendix A Port Pins and Signals10Base5 Ethernet PortFigure A-3 illustrates a 10Base5 Ethernet tran

Remote Annex 4000 Hardware Installation GuideAppendix A Port Pins and SignalsA-410BaseT Ethernet PortFigure A-4 illustrates a 10BaseT RJ45 Ethernet

A-5Remote Annex 4000 Hardware Installation GuideAppendix A Port Pins and SignalsSerial PortFigure A-5 illustrates a serial port connector. Table A-

Remote Annex 4000 Hardware Installation GuideAppendix A Port Pins and SignalsA-6Table A-4. Serial Port Pin/Signal AllocationsPin Signal Pin Signal1

A-7Remote Annex 4000 Hardware Installation GuideAppendix A Port Pins and SignalsParallel Printer PortFigure A-6 illustrates a parallel printer port

Remote Annex 4000 Hardware Installation GuideAppendix A Port Pins and SignalsA-8Table A-5. Parallel Printer Port Pin/Signal AllocationsPin Centroni

B-1Remote Annex 4000 Hardware Installation GuideAppendix B Cables and ConnectorsThis appendix describes the wiring for the following cables andconn

Remote Annex 4000 Hardware Installation GuideAppendix B Cables and ConnectorsB-2This cable can be purchased as a shielded or unshielded cable.❑ Shi

B-3Remote Annex 4000 Hardware Installation GuideAppendix B Cables and ConnectorsTable B-1. PBX to DB25 Terminal Cable Connections(continued on next

Remote Annex 4000 Hardware Installation GuidePrefacexivAppendix A Port Pins and SignalsThis appendix details the connectors located on therear panel o

Remote Annex 4000 Hardware Installation GuideAppendix B Cables and ConnectorsB-4Table B-1. PBX to DB25 Terminal Cable Connections (continued)PBX Pi

B-5Remote Annex 4000 Hardware Installation GuideAppendix B Cables and ConnectorsWiring for the PBX to DB25 Modem Cable ConnectionsTable B-2 shows t

Remote Annex 4000 Hardware Installation GuideAppendix B Cables and ConnectorsB-6Table B-2. PBX to DB25 Modem Cable Connections (continued)PBX PinRe

B-7Remote Annex 4000 Hardware Installation GuideAppendix B Cables and ConnectorsSerial Cable Wiring DiagramsFigure B-2, Figure B-3, and Figure B-4

Remote Annex 4000 Hardware Installation GuideAppendix B Cables and ConnectorsB-8Figure B-3. DCE Straight-Through Modem CableFigure B-4. RJ45 Consol

B-9Remote Annex 4000 Hardware Installation GuideAppendix B Cables and ConnectorsPrinter CablesCentronics PrinterCableThe Remote Annex 4000 uses a s

Remote Annex 4000 Hardware Installation GuideAppendix B Cables and ConnectorsB-10DataproductsPrinter CableThe Remote Annex 4000 does not use a stan

B-11Remote Annex 4000 Hardware Installation GuideAppendix B Cables and ConnectorsLoopback Connectors10Base2 EthernetLoopbackConnectorThe 10Base2 lo

Remote Annex 4000 Hardware Installation GuideAppendix B Cables and ConnectorsB-12PBX LoopbackConnectorThe 50-pin male (90°) PBX loopback connector

C-1Remote Annex 4000 Hardware Installation GuideAppendix C Port Upgrade InstructionsThe Remote Annex 4000 port upgrade kit allows you to upgradethe nu

xvRemote Annex 4000 Hardware Installation GuidePrefaceRelated DocumentsEach Remote Annex hardware platform ships with the appropriatehardware guide. T

Remote Annex 4000 Hardware Installation GuideAppendix C Port Upgrade InstructionsC-2Disassembly InstructionsStatic electricity can damage contents;

C-3Remote Annex 4000 Hardware Installation GuideAppendix C Port Upgrade Instructions4 Remove the ten pan-head Phillips screws and two cableretainer

Remote Annex 4000 Hardware Installation GuideAppendix C Port Upgrade InstructionsC-46 Remove the four pan-head Phillips screws and the dummy plate(

C-5Remote Annex 4000 Hardware Installation GuideAppendix C Port Upgrade InstructionsFigure C-5. Lowering the SLC onto the MLB2 Carefully press the

Remote Annex 4000 Hardware Installation GuideAppendix C Port Upgrade InstructionsC-63 Secure the SLC to the rear panel using two pan-head Phillips

C-7Remote Annex 4000 Hardware Installation GuideAppendix C Port Upgrade InstructionsAssembly InstructionsThe following instructions describe reasse

Remote Annex 4000 Hardware Installation GuideAppendix C Port Upgrade InstructionsC-82 Secure the cover and cable retainers using ten screws (seeFig

C-9Remote Annex 4000 Hardware Installation GuideAppendix C Port Upgrade Instructions2 Set the Remote Annex 4000 to test mode by pressing the Test s

Remote Annex 4000 Hardware Installation GuideAppendix C Port Upgrade InstructionsC-104 Attach a PBX loopback plug to the PBX connectors for the new

Index-1Remote Annex 4000 Hardware Installation GuideNumerics10Base5 Ethernet Transceiver Port Connector A-3AAC line socket 1-14Accepting crash dumps 2

Remote Annex 4000 Hardware Installation GuidePrefacexvi

IndexRemote Annex 4000 Hardware Installation GuideIndex-2EEMI requirements 1-15environmental requirements 1-15erase command 3-3, 3-16Ethernet10Bas

IndexIndex-3Remote Annex 4000 Hardware Installation Guidenetworkconnecting to Remote Annex 2-2Network Interface Connectors 1-13network interface c

IndexRemote Annex 4000 Hardware Installation GuideIndex-4description of 1-5serial line controllerasynchronous 1-618-port 1-636-port 1-6types 1-5Se

xviiRemote Annex 4000 Hardware Installation GuideTechnical Support and Online ServicesTo ensure comprehensive network support to our customers andpart

Remote Annex 4000 Hardware Installation GuideTechnical Support and Online ServicesxviiiCustomers can also purchase direct support from Bay Networksthr

xixRemote Annex 4000 Hardware Installation GuideTechnical Support and Online ServicesBay Networks Information ServicesBay Networks Information Service

Copyright © 1996 Bay Networks, Inc.All rights reserved. Printed in the USA. March 1996.The information in this document is subject to change without n

Remote Annex 4000 Hardware Installation GuideTechnical Support and Online ServicesxxCustomer Service FTPAccessible via URL ftp://support.baynetworks.c

xxiRemote Annex 4000 Hardware Installation GuideTechnical Support and Online ServicesThe message section is monitored by Bay Networks engineers, whopr

Remote Annex 4000 Hardware Installation GuideTechnical Support and Online ServicesxxiiHow to Get HelpUse the following numbers to reach your Bay Netwo

1-1Remote Annex 4000 Hardware Installation GuideChapter 1 IntroductionThe Remote Annex 4000 is a multi-purpose network server. TheRemote Annex 4000

Remote Annex 4000 Hardware Installation GuideChapter 1 Introduction1-2Dial-up RoutingThe Remote Annex 4000 provides dial-up routing support for UNI

1-3Remote Annex 4000 Hardware Installation GuideChapter 1 IntroductionTerminal, Printer, and Communications AccessThe Remote Annex 4000 provides te

Remote Annex 4000 Hardware Installation GuideChapter 1 Introduction1-4Remote Annex 4000 DescriptionThe Remote Annex 4000 contains two or three 32-b

1-5Remote Annex 4000 Hardware Installation GuideChapter 1 IntroductionMemoryThe MLB can be configured with 1 to 8 megabytes of on-boardmemory. One m

Remote Annex 4000 Hardware Installation GuideChapter 1 Introduction1-6Asynchronous SLCThe Remote Annex 4000 can be purchased with asynchronous SLCs

1-7Remote Annex 4000 Hardware Installation GuideChapter 1 IntroductionAsynchronous PortsEach asynchronous port has seven active pins, plus ground,

iiiRemote Annex 4000 Hardware Installation GuideRevision Level HistoryRevision DescriptionA Initial release.B Added new rear panel, ISDN support, ne

Remote Annex 4000 Hardware Installation GuideChapter 1 Introduction1-8Using the ROM Monitor commands (see Chapter 3), you can:❑ Modify and display

1-9Remote Annex 4000 Hardware Installation GuideChapter 1 IntroductionFront PanelThe Remote Annex 4000’s front panel consists of:❑ Six system LEDs.

Remote Annex 4000 Hardware Installation GuideChapter 1 Introduction1-10Front Panel ComponentsSystem LEDsThere are six System LEDs on the front of t

1-11Remote Annex 4000 Hardware Installation GuideChapter 1 IntroductionTest ButtonThe Test Button allows you to change the operational mode of theR

Remote Annex 4000 Hardware Installation GuideChapter 1 Introduction1-12Figure 1-7. Remote Annex 4000 Rear PanelRear Panel ComponentsConsole PortThe

1-13Remote Annex 4000 Hardware Installation GuideChapter 1 IntroductionMode JumperThe Mode Jumper is used to configure the Remote Annex 4000properly

Remote Annex 4000 Hardware Installation GuideChapter 1 Introduction1-14Power SwitchThe Power Switch disconnects AC power without disconnecting theR

1-15Remote Annex 4000 Hardware Installation GuideChapter 1 Introduction❑ Environment:❑ Operating temperature: 0° to 50°C.❑ Non-operating temperatur

Remote Annex 4000 Hardware Installation GuideChapter 1 Introduction1-16❑ MTBF:68,000 hrs (72 ports), calculated @ 25°C (Mil Std 217).❑ Rear clearan

2-1Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 4000This chapter contains a description of how to install you

Remote Annex 4000 Hardware Installation GuideRevision Level Historyiv

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-2Connecting the Remote Annex to a LAN requires the followi

2-3Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 4000Each connection type requires a different connection proc

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-43 Twist the sleeve on the T-connector clockwise to lock t

2-5Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40003 Push the slide mechanism to the left to secure the conn

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-63 Verify that the Link Indicator is green.The green link

2-7Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 4000Connecting a Console TerminalA console terminal is used t

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-82 Plug the RJ-45 connector into the console port located

2-9Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 4000After the Remote Annex 4000 boots, you can invoke a conso

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-102 Loosen the screws that secure the cable retainer and s

2-11Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40004 Tighten the screw on the PBX end of the cable (see Fig

vRemote Annex 4000 Hardware Installation GuideContentsPrefaceAbout this Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-127 Slide the dress panel cover back to its original posit

2-13Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 4000Remote Annex 4000 Serial CablesThe Remote Annex 4000 asy

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-14Connecting a Parallel PrinterThe Remote Annex 4000 suppo

2-15Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 4000Powering Up and Testing the Remote Annex 4000Power-up an

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-162 Apply power.Connect the female end of the power cord t

2-17Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40003 Set the Remote Annex 4000 to Test Mode.Pressing the Te

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-18If the Unit, Net, and Attn LEDs do not light within one

2-19Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40005 Record the Remote Annex 4000’s Ethernet address for fu

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-20This section contains the following subsections:❑ Instal

2-21Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40009 Run the Annex Installation Utility. At the prompt, sta

Remote Annex 4000 Hardware Installation Guide ContentsviInvoking the Console Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-22Installing to and Loading from a UNIX HostThis section c

2-23Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 4000Installing to and Loading from a VAX VMS HostThis sectio

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-24❑ The load host has at least 4000 blocks of available di

2-25Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 4000The Remote Annex parameter disabled_modules disablesspec

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-261 To find the appropriate circuit, type the following com

2-27Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 4000To enable your VAX VMS load host to accept crash dumps:1

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-28You can rename Remote Annex operational images, but they

2-29Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 4000If all requests fail, the Remote Annex 4000 will return

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-30When the Remote Annex 4000 receives a BOOTP response wit

2-31Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 4000If BOOTP and RARP fail, the Remote Annex 2000 transmits

viiRemote Annex 4000 Hardware Installation Guide ContentsDisassembly Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-32Invoking the Console MonitorAfter the image boots, you c

2-33Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 4000

Remote Annex 4000 Hardware Installation GuideChapter 2 Installing the Remote Annex 40002-34

3-1Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandsThis chapter describes the ROM Monitor commands. Access thesecommands th

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-2ROM Monitor commands generally provide data about a subset ofcurrent

3-3Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandsTable 3-1. ROM Monitor Commands (continued)(continued on next page)Co

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-4Table 3-1. ROM Monitor Commands (continued)Command Description Usemop

3-5Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandsaddrThe addr command displays and sets several Remote Annex 2000opera

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-6The addr command display looks like this:The addr -d command display

3-7Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandsThe Remote Annex 4000 must have an Internet (IP) address in itsmemory

Remote Annex 4000 Hardware Installation Guide Contentsviii

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-8bootThe boot command requests the loading of appropriate RemoteAnnex

3-9Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandsWhen the Remote Annex 4000 begins to boot, it displays the loadserver

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-10The boot command display (using bfs) looks like this:The next exampl

3-11Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandsTheboot –l command downloads and saves the operational image tonon-v

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-12Use boot –l only when reloading your Flash memory.Typically, you re

3-13Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandsconfigTheconfigcommand displays the current configuration information

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-14console-baudThe console-baud command changes the console port’s baud

3-15Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandsTo provide remote access to the Remote Annex 4000 ROMs:1 From a site

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-16eraseThe erase command erases the contents of non-volatile memory,in

3-17Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandsIf the self-boot option is not installed, the command display looks

ixRemote Annex 4000 Hardware Installation GuideFiguresFigure 1-1. The Remote Annex 4000 as a Remote Access Server. . . . . . . . . . . . . . . . . . .

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-18imageThe image command sets and displays the name of the image filec

3-19Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandsipxThe ipx command sets several parameters associated with IPXbootin

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-20lat_keyThe lat_key command allows you to set the LAT key from the RO

3-21Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandsmopThemop command sets the MOP load/dump address. This is usefulwhen

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-22netThe net command executes an Ethernet transceiver loopback test on

3-23Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandsFailing this test indicates that either the Remote Annex 4000, itstr

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-24option_keyThe option_key command loads an option key from the ROMmon

3-25Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandspingThe ping command sends an Internet Control Message Protocol(ICMP

Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor Commands3-26portsThe ports command tests serial line ports, exercising both the

3-27Remote Annex 4000 Hardware Installation GuideChapter 3 ROM Monitor CommandsA display for the printer port looks like this:You may enter a list