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Remote Annex 2000 Hardware Installation Guide

Revision Level History

Revision

Description

A

Initial release.

B

Added 4-port and ISDN support. Added new illustrations.

C

Removed ISDN information; the Remote Annex 2000 does not
support ISDN.

Chapter 3: Added notes to boot command; also added
information regarding status codes during a boot sequence.

C1

Format change.

Summary of Contents for Remote Annex 2000

Page 1: ...Part No 166 024 150 Rev C1 August 1996 Hardware Installation Guide Remote Annex 2000 ...

Page 2: ...00 Server Quick2Config Bay Networks and the Bay Networks logo are trademarks of Bay Networks Inc Third Party Trademarks All other trademarks and registered trademarks are the property of their respective owners FCC Notice This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must ac...

Page 3: ...n Description A Initial release B Added 4 port and ISDN support Added new illustrations C Removed ISDN information the Remote Annex 2000 does not support ISDN Chapter 3 Added notes to boot command also added information regarding status codes during a boot sequence C1 Format change ...

Page 4: ...Remote Annex 2000 Hardware Installation Guide Revision Level History iv ...

Page 5: ... Annex 2000 1 10 Rear Panel Components 1 10 Physical Characteristics 1 12 Chapter 2 Installing the Remote Annex 2000 Before you Begin 2 1 Connecting a LAN Using Ethernet 2 2 Connecting Thin Ethernet 10Base2 Cable 2 3 Connecting Thick Ethernet 10Base5 Cable 2 4 Connecting Twisted Pair Ethernet 10BaseT Cable 2 5 Connecting a Console Terminal 2 6 Connecting Serial Devices 2 8 Powering up and Testing ...

Page 6: ... Correcting Remote Annex 2000 Parameters 4 14 Load Server Host Not Responding 4 16 Remote Annex 2000 Dumps 4 20 Appendix A Port Pin Signal Allocations Serial Port A 1 10Base2 Ethernet Port A 2 10Base5 Ethernet Port A 3 10BaseT Ethernet Port A 4 Appendix B Cables and Connectors Serial Port Cables B 1 Serial Cable Wiring Diagrams B 1 Loopback Connectors B 3 Appendix C Warranty and Technical Support ...

Page 7: ... Connections 2 2 Figure 2 2 Connecting Thin Ethernet Cable 2 4 Figure 2 3 Connecting Thick Ethernet Cable 2 5 Figure 2 4 Connecting Twisted Pair Ethernet Cable 2 6 Figure 2 5 Connecting the RJ 45 Cable to the DB 25 Drop Adapter 2 7 Figure 2 6 Connecting a Console Terminal 2 7 Figure 2 7 Connecting the Serial Port Cable to the Remote Annex 2000 2 8 Figure 2 8 Connecting the Power Cord 2 10 Figure 2...

Page 8: ...Remote Annex 2000 Hardware Installation Guide Figures x ...

Page 9: ... free LED States 4 7 Table 4 4 Test Mode Error LED States 4 9 Table 4 5 Errors from Last ERPC Layer Invocation 4 13 Table 4 6 Errors from Last Read 4 13 Table 4 7 Errors from Last Open Request 4 14 Table 4 8 LED States During a Dump 4 20 Table 4 9 Dump File Naming Conventions 4 22 Table A 1 Serial Port Pin Signal Allocations A 2 Table A 2 10Base5 Ethernet Port Pin Signal Allocations A 3 Table A 3 ...

Page 10: ...Remote Annex 2000 Hardware Installation Guide Tables xii ...

Page 11: ...on This chapter contains an overview of the Remote Annex 2000 it describes the hardware features and firmware functions Chapter 2 Installing the Remote Annex 2000 This chapter describes how to install the Remote Annex 2000 on a LAN and how to confirm its operating status Chapter 3 ROM Monitor Commands This chapter describes the ROM Monitor commands that modify specific configuration parameters per...

Page 12: ... special type Bold special type indicates user input In command examples this notation indicates that pressing enters the default value bold Bold indicates commands path names or file names that must be entered as displayed italics In the context of commands and command syntax lowercase italics indicate variables for which the user supplies a value In command dialogue square brackets indicate defa...

Page 13: ...are guide The remaining documentation is included with the software Convention Represents In command syntax this character separates the different options available for a parameter Notes provide important information Warnings inform you about conditions that can have adverse effects on processing Cautions notify you about dangerous conditions ...

Page 14: ...Remote Annex 2000 Hardware Installation Guide Preface xvi ...

Page 15: ... transmit and share information and to provide live around the clock support 365 days a year BayNetworksInformationServicescomplementtheBayNetworks Service program portfolio by giving customers and partners access to the most current technical and support information through a choice of access retrieval means These include the World Wide Web CompuServe Support Source CD Customer Support FTP and In...

Page 16: ...ation support on site services and replacement parts delivery within approximately 4 hours To purchase any of the Bay Networks support programs or if you have questions on program features use the following numbers Inaddition youcanreceiveinformationonsupportprogramsfrom your local Bay Networks field sales office or purchase Bay Networks support directly from your authorized partner Region Telepho...

Page 17: ...theWebServertoperformCaseManagement Thisfeature enables your support staff to interact directly with the network experts in our worldwide Technical Response Centers A registered contact with a valid Site ID can View a listing of support cases and determine the current statusofanyopencase Casehistorydataincludesseverity designation and telephone e mail or other logs associated with the case Customi...

Page 18: ...h an intelligent text search engine The Support Source CD contains extracts from our problem tracking database information from the Bay Networks Forum on CompuServe comprehensive technical documentation such as Customer Support Bulletins Release Notes software patches and fixes and complete information on all Bay Networks Service programs You can run a single version on Macintosh Windows 3 1 Windo...

Page 19: ...al up number in the United States call CompuServe at 1 800 524 3388 Outside the United States call 1 614 529 1349 or your nearest CompuServe office Ask for Representative No 591 When you are on line with your CompuServe account you can reach us with the command GO BAYNET InfoFACTS InfoFACTS is the Bay Networks free 24 hour fax on demand service This automated system has libraries of technical and ...

Page 20: ...umbers to reach your Bay Networks Technical Response Center Technical Response Center Telephone Number Fax Number Billerica MA 1 800 2LANWAN 508 670 8765 Santa Clara CA 1 800 2LANWAN 408 764 1188 Valbonne France 33 92 968 968 33 92 966 998 Sydney Australia 612 9927 8800 612 9927 8811 Tokyo Japan 81 3 5402 0180 81 3 5402 0173 ...

Page 21: ...cations Access Remote Network Access The Remote Annex 2000 is a multi protocol remote access server that provides remote network access to the following networks Novell Netware TCP IP AppleTalk Figure 1 1 illustrates the Remote Annex 2000 as a remote access server Figure 1 1 The Remote Annex 2000 as a Remote Access Server DEC Remote Annex 2000 Apple Macintosh IBM UNIX Ethernet Corporate LAN Novell...

Page 22: ... 2000 network administrators can connect two or more local area networks LANs over a wide area network WAN using a standard telephone line Figure 1 2 illustrates the Remote Annex 2000 as a dial up router Figure 1 2 RA 2000 as a Dial up Router DEC Novell Server Workstation PC Using TCP IP Remote Annex 2000 Remote Annex 2000 Ethernet Ethernet IBM UNIX Corporate LAN Remote LAN Wide Area Network ...

Page 23: ...minal printer and communications access to users on a local area network Figure 1 3 illustrates the Remote Annex 2000 as a terminal printer and communications server Figure 1 3 RA 2000 as a Terminal Printer and Communications Server DEC Remote Terminal Terminal Laser Printer Remote Annex 2000 Plotter Personal Computer IBM UNIX Ethernet Corporate LAN ...

Page 24: ...he Remote Annex 2000 is a powerful 32 bit device that comes with an Intel 80486 SXLC2 clock doubled processor The Remote Annex 2000 read only memory ROM contains firmware for performing power up self tests and loading operational code A non volatile EEPROM stores the configuration parameters ROM Monitor When the Remote Annex 2000 is first booted the console displays the ROM monitor prompt The ROM ...

Page 25: ... Remote Annex 2000 manually OncetheRemoteAnnex2000hasobtainedabootimageandisbooted the console leaves the ROM monitor and displays the console monitor Refer to the Remote Annex Administrator s Guide for UNIX for information on the console monitor Supported Configurations The Remote Annex 2000 can obtain full operational code over the network from one of the following devices Novell server UNIX hos...

Page 26: ... software error All Remote Annex 2000 support full modem control five control lines on all ports Front Panel The Remote Annex 2000 front panel consists of Six system LEDs A test LED A test button Eight status LEDs Figure 1 5 illustrates the Remote Annex 2000 front panel Table 1 1 describes the LEDs on the front panel Figure 1 5 Remote Annex 2000 Front Panel STATUS POWER UNIT NET ATTN LOAD ACTIVE 1...

Page 27: ...00 automatically powersupinnormalmode Toentertestmode pressthe button within three seconds of powering up Holding the button for longer than 3 seconds resets the unit LED Definition Power On when the unit is receiving AC power and the internal DC power supply is working properly Unit On after the unit successfully passes its self test Net On when the unit successfully transmits test data to and re...

Page 28: ...l support personnel can use this information to diagnose problems Rear Panels The Remote Annex 2000 is available in the following configurations 4 port 8 port 16 port 4 Port Remote Annex 2000 The Remote Annex 2000 is available with 4 asynchronous ports Figure 1 6 illustrates the rear panel of a 4 port unit Figure 1 6 Rear Panel of a 4 Port Remote Annex 2000 1 2 3 4 Console Port 1 10Base5 Ethernet ...

Page 29: ...nnex 2000 is available with 8 asynchronous ports Figure 1 7 illustrates the rear panel of an 8 port unit Figure 1 7 Rear Panel of an 8 Port Remote Annex 2000 1 2 3 4 5 6 7 8 Console Port 1 10Base5 Ethernet Connector Plate for 10Base2 or 10BaseT Ethernet Optional AC Line Socket Power Switch RJ45 Port Connectors ...

Page 30: ...16 Port Remote Annex 2000 Rear Panel Components The Remote Annex 2000 can have the following connectors and switches Appendix A lists the connectors signal pin allocations Console Port port 1 RJ45 Port Connectors Network Interface Connectors AC Line Socket Power Switch 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Console Port 1 10Base5 Ethernet Connector Plate for 10Base2 or 10BaseT Ethernet Optional AC...

Page 31: ... port with a BNC connector optional 10Base5 Ethernet transceiver port with a DB15 connector 10BaseT Ethernet port with an RJ45 connector optional The DB15 Ethernet 10Base5 transceiver port is present on the rear panel even when another network interface port is present The BNC 10Base2 and RJ45 10BaseT connectors are present only if ordered with the unit The Remote Annex 2000 automatically determin...

Page 32: ...C range the 220V position allows operation in the 180 to 260 VAC range AC Line Socket The AC Line Socket supplies power to the Remote Annex 2000 through the AC power cord The AC power cord is plugged into the AC Line Socket Physical Characteristics The Remote Annex 2000 enclosure has the following characteristics Dimensions Height 2 5 in 63 5 mm Width 13 in 330 mm Depth 9 5 in 241 mm Weight 5 lbs ...

Page 33: ... vibration 1 2 10 3 G2 Hz 12 to 198 Hz Audible noise A Weighted Sound Pressure level less than 36 dB 1 meter from all 6 surfaces Operating altitude 0 to 4000 meters Storage altitude 0 to 15 000 meters Transportation vibration and shock NSTA project 1A standard in shipping container Approvals Meets safety requirements of ETL US and Canada UL1950 CSA C22 2 No 950 and EN60950 Meets EMI requirements o...

Page 34: ...Remote Annex 2000 Hardware Installation Guide Chapter 1 Introduction 1 14 MTBF 114 000 hrs calculated 25 C Mil Std 217 Rear clearance requirement for connectors and cables 6 in 15 cm ...

Page 35: ...onal Image Auto initializing the ROMs Self booting the Remote Annex 2000 Before you Begin The Remote Annex 2000 s software and operational image can be installed on four different devices Table 2 1 outlines the different configurations the Remote Annex 2000 supports Table 2 1 Remote Annex 2000 Configuration Options Device where the Operational Software and Image is installed Remote Annex 2000 Must...

Page 36: ...rminal An RJ45 cable for a SLIP connection A PC on the network Novell boot Connecting devices to the Remote Annex 2000 requires One RJ45 cable for each serial connection Connecting a LAN Using Ethernet TheRemoteAnnex2000supportsthreetypesofEthernetconnections Thin Ethernet Thick Ethernet or Twisted Pair see Figure 2 1 Figure 2 1 Remote Annex 2000 Ethernet Connections 1 2 3 4 5 6 7 8 9 10 11 12 13 ...

Page 37: ... Thin Ethernet 10Base2 Cable To connect to Thin Ethernet 10Base2 or equivalent cable you must use a T connector The T connector is installed in your Ethernet network cable Follow these steps to connect the Remote Annex 2000 to a Thin Ethernet cable see Figure 2 2 1 Verify that both sides of the T connector are connected to the Thin Ethernet cable If the Remote Annex 2000 is the last device on the ...

Page 38: ... 10Base5 Cable To connect to Thick Ethernet 10Base5 or equivalent transceiver cable you must have already installed a 10Base5 Ethernet network cable Follow these steps to connect the Remote Annex 2000 to a Thick Ethernet cable see Figure 2 3 1 Make sure the Thick Ethernet cable is plugged into the Ethernet network 2 Push the slide mechanism on the Remote Annex 2000 s Thick Ethernet connector to th...

Page 39: ...thernet Cable Connecting Twisted Pair Ethernet 10BaseT Cable Follow the steps in this section to connect a Twisted Pair 10BaseT Ethernet cable to the Remote Annex 2000 see Figure 2 4 1 Insert the RJ 45 connector located on the Twisted Pair Ethernet cable into the 10BaseT connector on the rear panel of the Remote Annex 2000 2 When the connector clicks into place the connection is secure ...

Page 40: ...e 10BaseT network segment is plugged in Figure 2 4 Connecting Twisted Pair Ethernet Cable Do not confuse this connector with the console port RJ 45 connector Port 1 Connecting a Console Terminal A console terminal is used to access the ROM Monitor and boot the Remote Annex 2000 for the first time Follow the steps in this section to connect a console terminal to the console port Port 1 located on t...

Page 41: ...Telco RJ wire to a DB 25 DTE drop adapter see Figure 2 5 Figure 2 5 Connecting the RJ 45 Cable to the DB 25 Drop Adapter 2 Plug the RJ 45 connector into the console port Port 1 located on the back panel of the Remote Annex 2000 Figure 2 6 When the connector clicks into place the connection is secure Appendix A describes the console port s signal pin allocation Figure 2 6 Connecting a Console Termi...

Page 42: ...er accordingly See Chapter 3 for information on invoking the ROM monitor Connecting Serial Devices The Remote Annex 2000 provides 4 8 or 16 asynchronous RJ45 serial ports depending on the device configuration To attach the serial port cables 1 Insert the RJ45 end of the cable into one of the serial ports located on the Remote Annex 2000 s rear panel see Figure 2 7 2 Connect the opposite end of the...

Page 43: ...it by lightning Table 2 1 Recommended Cable Lengths If you exceed these recommended cable lengths you must compensateforanyresulting electricalproblems Exceedthese distances at your own risk Powering up and Testing the Remote Annex 2000 Power up and test your Remote Annex 2000 as follows 1 Apply power Connect the female end of the power cord to the AC line socket Connect the male end to an active ...

Page 44: ...rn off except for the Power and some status LEDs 2 Set the Remote Annex 2000 to Test Mode Pressing the button within 3 seconds of powering up puts the Remote Annex 2000 into test mode To entertestmodewhentheAnnexisalready running hold down the button until the Power LED blinks rapidly then release the button and press it again within 3 seconds This second method resets the Annex so warn users befo...

Page 45: ...et and Attn LEDs light and the ROM Monitor prompt appears on the console terminal attached to Port 1 If the Unit Net and Attn LEDs do not light within one minute one of the following failures has occurred Remote Annex 2000 hardware failure Unit and Attn LEDs flash Contact technical support Networkornetworkinterfacefailure theNetandActive LEDs flash the error message displays on the console If a ne...

Page 46: ...EVISION CONFIGURATION INFORMATION ROM Software Rev 0901 Board ID 56 Board Type Remote Annex 2000 CPU Type 486SXLC2 Ethernet Address 00 80 2D 00 C6 1E Memory Size 4 Meg Flash Size 2 Meg Flash ID 8989 EEPROM Size 32736 Installed Alternate Interface ThinNet ASYNC Config Number of Ports 16 Max Port Speed 115 2 Kbps Return monitor addr d Ethernet address hex 00 80 2D 00 18 B6 Internet address uninitial...

Page 47: ...om the network device to the Remote Annex 2000 This section contains the following subsections Installing to and Loading from a Novell Server Installing to and Loading from a UNIX Host Installing to and Loading from a VAX VMS Host Installing to and Loading from a Novell Server This section contains a description of what you need to do to install the Remote Annex 2000 s operational software and ima...

Page 48: ...ps 5 and 6 The installation program then decompresses and verifies each file being copied See the Annex Manager for DOS Administrator s Guide for the PC for a list and description of the Administrator s files 8 Power up or reset the Remote Annex 2000 Do not enter test mode 9 Run the Annex Installation Utility At the prompt start the Annex Installation Utility by typing AMINSTAL A window appears wi...

Page 49: ...emote Annex 2000 features such as PPP SLIP ARAP and CLI are not supported Installing to and Loading from a UNIX Host This section contains a description of what you need to do to install the Remote Annex 2000 s operational software and image to a UNIX host See the Remote Annex Administrator s Guide for UNIX for additional information Proceed as follows 1 Install the image on a UNIX host The softwa...

Page 50: ...ution of the boot command the Remote Annex 2000 is up and running Installing to and Loading from a VAX VMS Load Host This section contains a description of what you need to do to install the Remote Annex 2000 s operational software and image on a VAX VMS Load Host Refer to the Annex Interface for VMS Environments Administrator s Guide and the Annex Interface for VMS Environments User s Guide for a...

Page 51: ...blocks available depending on the amount of memory installed in the Annex if dumps are to be supported In a VMS environment dumps do not overwrite each other as VMS allows multiple versions of the same file Therefore up to 17 000 blocks of memory must be available for each Remote Annex dump The system is backed up before installing the software The software medium is mounted on an appropriate devi...

Page 52: ...h disables the Remote Annex interface for VMS environments along with the following commands backwards change clear crash define disconnect forward list logout resume set and show Booting the Remote Annex 2000 from a VAX VMS load host automatically enables vci The following message appears in the syslog file MOP Booting vci enabled On subsequent boots regardless of the type of load host e g VMS or...

Page 53: ...onor service requests by issuing the following NCP commands MCR NCP SET CIRCUIT SVA 0 STATE OFF MCR NCP SET CIRCUIT SVA 0 SERVICE ENABLED MCR NCP SET CIRCUIT SVA 0 SERVICE ENABLED MCR NCPSET CIRCUITSVA 0 STATE ON Configuring for Crash Dump Support The VAX VMS load host can be set up to accept crash dumps from the Remote Annex at any time To enable this feature you must assign a DECnet node name an...

Page 54: ...MCR NCP SET NODE BINGO HARDWARE ADDRESS 00 80 2D 00 1A DE 4 Issue the equivalent define commands so this crash dump support continues when your VMS load host is restored The VMS load host now supports crash dumps Customizing for Multiple Remote Annex Images The Remote Annex operational code is installed in MOM LOAD as OPER_56_ENET SYS The Remote Annex does not require that this be the exact file n...

Page 55: ...e Annex 2000 BOOTP allows a diskless client to determine its Internet address the Internet address of the server and the name of the file to be loaded into memory RARP maps a hardware address into an Internet address The ROMs invoke this system of acquiring boot information when a boot is initiated and the Remote Annex 2000 s Internet address is not initialized Under this condition the Remote Anne...

Page 56: ...dheres to rfc951 rfc1048 and rfc1084 AsamplebootptabfileentryusedtoinitializetheRemoteAnnex2000 named terminator looks like this In the previous example sm is the subnet mask gw is the load dump gateway address vm is the Vendor Magic Cookie ht is host type 1 Ethernet ha is the Remote Annex 2000 s hardware address Ethernet Address ip is the Remote Annex 2000 s Internet Address remoteannexdefault sm...

Page 57: ...essage The ROMs use the Server Address as the preferred load host and store it in the pref_load_addr parameter The bootpd must be running on the Remote Annex 2000 s preferred load host RARP If the Remote Annex 2000 does not receive a successful BOOTP response it uses RARP to get the boot information For a successful RARP retrieval TCP IP must be running on a host that is on the same network as the...

Page 58: ...2000 If you purchased a Remote Annex 2000 with Flash ROM your device already contains an operational image You can check your Remote Annex 2000 s configuration by entering the config command at the ROM Monitor prompt The config command displays the current configurationinformationandrevisionlevels IfyourdevicehasFlash ROM installed the line FLASH PROM size appears under the REVISION CONFIGURATION ...

Page 59: ...onfiguration EEPROM parameters Some of these parameters like the unit s IP address are sometimes required for booting the Remote Annex 2000 some parameters like the broadcast address are required if the network configuration differs from the supplied defaults Table 3 1 lists the ROM Monitor commands Other parameters although not required are recommended for the Remote Annex 2000 s initial boot Set...

Page 60: ...d You can use unique abbreviations for all ROM Monitor commands except erase For example enter boot as bo and enter net as n If you enter an abbreviation that is not unique an error message describing the command as ambiguous displays on the console terminal Command Descriptions Table3 1liststheROMMonitorcommands thefollowingsubsections describe them Table 3 1 ROM Monitor Commands continued on nex...

Page 61: ...ion console baud Changes the console port s baud rate Configuring the console port for remote maintenance erase Erases non volatile memory Loading a new image and need to erase the old image help Displays the list of ROM Monitor commands Referencing the ROM monitor commands image d file Displays and or sets the load image and tftp load dump names Loading an image that differs from the default ipx ...

Page 62: ...y d Sets or displays the option key Checking your option key setting ping Sends ICMP ECHO_REQUEST datagram to a host or gateway Checking to see if a host or gateway can be reached ports d Shows the current status of all ports Checking a port sequence d list Displays and edits the load dump interface list Checking or changing the load dump interface list slip d port Defines a serial port as a Seria...

Page 63: ...laystheunit sROM residentEthernet addressinhexadecimalnotation seetheRemoteAnnexAdministrator s Guide for UNIX The command syntax is addr d If you enter the addr command without the d argument the console promptsyouforeachInternetaddress EnterInternetaddressesusing the standard decimal dot notation The addr d command displays the Remote Annex 2000 s Ethernet address IP address subnet mask broadcas...

Page 64: ...d Load Host address 192 9 200 88 Enter Preferred Dump Host address 0 0 0 0 192 9 200 88 Preferred Dump Host address 192 9 200 88 Enter Load Dump Gateway address uninitialized 192 9 200 10 Load Dump Gateway address 192 9 200 88 Select type of IP packet encapsulation ieee802 ethernet ethernet Load Broadcast Y N Y monitor addr d Ethernet address hex 00 80 2D 00 18 B6 Internet address 192 9 200 214 Su...

Page 65: ... from the preferred load or dump host that host must be reached through a gateway The addr command prompts you for this gateway s IP address The Remote Annex 2000 uses the broadcast address parameter when loading a file If this parameter contains a specific address e g 132 245 6 255 the Remote Annex 2000 uses only that address for broadcast If the value is all zeroes 0 0 0 0 the ROM Monitor tries ...

Page 66: ...pecified boot displays the default file name and prompts for one If you do not provide a file name or have not defined one for the Remote Annex 2000 boot requests the default file oper 56 enet You can also enter a file name using the image command The Remote Annex boots from the defined preferred load host UNIX IP Novell IPX or VAX VMS MOP If the preferred load host is not defined or does not resp...

Page 67: ...ered requests indicates transmission errors and XXXX is a status word from the Ethernet chip on the Annex indicating a gross problem with the Ethernet connection if this symbol appears in your boot command display contact technical support The status word XXXX where XXXX are four hexadecimal digits decodes as follows 8000 Command complete 4000 Chip is busy 2000 Command completed without error 1000...

Page 68: ...cols Unanswered requests shown as transmission errors as Requesting boot from 192 9 200 88 via Ethernet Booting BFS file using open delay of 8 Booting BFS file from 192 9 200 88 Header received OK Received data blocks shown as EOF monitor boot Enter boot file name ip oper 56 enet mop OPER_56_ENET SYS Requesting default boot file OPER_56_ENET SYS for MOP VMS loads and oper 56 enet for all other pro...

Page 69: ... image The boot l command display looks like this monitor boot l Enter boot file name ip oper 56 enet mop OPER_56_ENET SYS Requesting default boot file OPER_56_ENET SYS for MOP VMS loads and oper 56 enet for all other protocols Unanswered requests shown as transmission errors as Requesting boot from 192 9 200 88 via Ethernet Booting BFS file using open delay of 8 Booting from 192 9 200 88 Header r...

Page 70: ...smission errors as Requesting boot from 192 9 200 88 via Ethernet Booting from 192 9 200 88 42 msec Header received OK Received data blocks shown as msec turnaround time 4 4 6 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 6 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 6 4 4 4 4 4 4 4 4 4 4 4 4 4 5 4 4 4 4 4 4 4 4 4 4 4 6 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 6 4 4 4 4 4 4 4 4 4 4 ...

Page 71: ...er The config command display contains information describing whether or not Flash ROM is installed The command syntax is config The config command display looks like this monitor config REVISION CONFIGURATION INFORMATION ROM Software Rev 0901 Board ID 56 Board Type Remote Annex 2000 CPU Type 486SXLC2 Ethernet Address 00 80 2D 00 C6 1E Memory Size 4 Meg Flash Size 2 Meg Flash ID 8989 EEPROM Size 3...

Page 72: ...his This command has no effect on the port s baud rate after the Remote Annex 2000 is booted monitor console baud Remote Diagnostic Test Mode In order to use the remote diagnostic functionality you must first connect a modem to the console port of the Annex The modem should be configured such that DTR is forced on carrier detect and DSR are set normal and auto answer is enabled Once this is done c...

Page 73: ...odesothemonitor prompt appears on the console Set the modem into auto answer mode 2 From the Remote Annex 2000 console port At the monitor prompt enter console baud AttheSelectbaudrateprompt entertheappropriatebaud rate or enter auto Connect the modem to the Remote Annex 2000 s console port 3 From the remote site Dial into the modem connected to the Remote Annex 2000 Press until the monitor prompt...

Page 74: ...the EEPROM memory configuration information entering 2 at the prompt causes the Remote Annex 2000 to erase the Flash memory self boot image The erase command does not erase the Ethernet address Since the erase command erases the IP address you must use the addr command to re enter the Remote Annex 2000 s IP address before reloading any software The erase command display looks like this If the self...

Page 75: ...3 17 Remote Annex 2000 Hardware Installation Guide Chapter 3 ROM Monitor Commands help Entering help or displays brief descriptions of the Remote Annex 2000 ROM Monitor commands ...

Page 76: ...nameisoper 56 enet Theimagecommanddisplay looks like this The image d command display looks like this The SELF image name appears only if the self boot image is loaded If the image file name contains more than 16 characters it is truncated when MOP is attempted monitor image Enter Image name ip oper 56 enet mop OPER_56_ENET SYS Enter TFTP Load Directory Enter TFTP Dump path filename dump 192 9 200...

Page 77: ...ipx dcommanddisplaysthecurrentsettingsforalloftheentries The command display looks like this monitor ipx Enter IPX file server name uninitialized saturn Enter Frame type 0 802 3 1 Ethernet II 2 802 2 3 SNAP 802 3 Enter IPX dump user name uninitialized hobbes Enter IPX dump password uninitialized Verify IPX dump password Enter IPX dump path uninitialized SYS user hobbes monitor ipx d IPX preferred ...

Page 78: ... to set the LAT key from the ROM monitor The lat_key is optional and may be purchased separately The command syntax is lat_key d The lat_key command display looks like this The lat_key d command displays the current LAT key setting monitor lat_key Enter LAT KEY uninitialized monitor lat_key d Enter LAT KEY uninitialized ...

Page 79: ... loading the Remote Annex 2000 s operational image from a VAX VMS load host The command syntax is mop d The mop command display looks like this The mop d command displays the current MOP settings monitor mop Enter preferred MOP load dump address uninitialized Load Broadcast Y N Y monitor mop d MOP preferred load dump address uninitialized Load Broadcast Y ...

Page 80: ... test is to attach the loopback connector to the network port because short test packets can interfere with normal network traffic The accessory kit supplies Ethernet loopback connectors for these interfaces The10BaseTnetworkinterfacedoesnotrequirealoopbackconnector because it provides a Link Integrity LED next to the RJ45 connector This LED verifies that the receive circuit to the wiring concentr...

Page 81: ...he Remote Annex 2000 transceiver cable is defective or disconnected This problem occurs only with 10Base5 Ethernet To test for this condition connect the 10Base5 s loopback connector to the transceiver end of the transceiver cable while the cable is connected to the Ethernet port and run the net test again If errors did not occur during the previous test but do occur during this test the cable is ...

Page 82: ...he option_key command loads an option key from the ROM monitor The command syntax is option_key d The option_key command display looks like this The option_key d command displays the current settings monitor option_key Enter option_key uninitialized monitor option_key d option_key uninitialized ...

Page 83: ...he host or gateway from which you wish to elicit a response The optional data_size entry is the number of bytes sent in a datagram packet The default value is 64 and the maximum value is 1024 The optional npackets entry is the number of packets to transmit If you specify npackets then you must also specify a data_size The ping command display looks something like this If you enter the ping command...

Page 84: ...command for a port to which a device is connected The test will transmit data to the device and toggle its control lines When invoked the ports command displays a menu of options A display for asynchronous serial ports looks like this continued on next page monitor ports Individual Port Tests Data And Control Lines Some important notes All Serial Ports 1 64 which are to be tested require a loopbac...

Page 85: ...eturn to exit 3 Enter the number of times to loop on this test 1 Testing data lines on channel 3 ERROR Data line loopback failure on port 3 Testing modem signals on channel 3 ERROR No RTS CTS turning ON loopback interrupt sensed on chan 3 1 pass es with 2 failure s WARNING Return monitor ports d Individual Port Tests Data Lines Some important notes All Serial Ports 1 64 which are to be tested requ...

Page 86: ...ach SLIP interface as slnn where nn is a port number and specify self boot by selecting self Separate each interface with a comma or a space Enter the interface list as an argument to the command otherwise the console displays a list of available interfaces and prompts for a new list In the following example interfaces are assigned to the load dump sequence list Ports 12 14 and 15 can be added to ...

Page 87: ...equence dcommanddisplaysthecurrentload dumpinterface list You cannot specify both the d argument and the interface list with the same command The command display looks like this The Remote Annex 2000 can slip boot over any port except Port 1 monitor sequence d Interface sequence sl12 net ...

Page 88: ...d with this command If you do not enter a port number you are prompted for one Table 3 2 lists the information for which the slip command prompts The slip display looks like this monitor slip Line number 1 16 6 Allow SL IP on this port y n n y Enter local endpoint address 0 0 0 0 192 9 200 214 Local endpoint address 192 9 200 214 Enter subnet mask 255 0 0 0 Constructed new subnet mask Enter remote...

Page 89: ...2 9 200 0 Remote load dump host address 192 9 200 88 This interface may be used for memory dumps Baud rate 38400 Stop bits 1 Parity none WARNING Control Prompt Description Allow SLIP on this port Modifies the port s mode A y response changes the port to a SLIP interface An n response changes the port s mode to CLI The port is not available as a SLIP interface and the SLIP parameters are ignored Th...

Page 90: ... only if the remote host is a gateway and not the load host By default this is the same as the remote end point address Should this interface be used for memory dumps Enables the Remote Annex 2000 to use a SLIP interface for memory dumps The default is y Enter the baud rate Specifies the baud rate of the serial interface The default is 9600 Enter the number of stop bits Pressing the key accepts th...

Page 91: ...8 Frames Sent 3 CRC Errors 0 Carrier Sense Losses 0 Alignment Errors 0 Clear to Send Losses 0 Resource Drops 0 Collisions Detected 0 Bus Wait Drops 0 Excessive Collision Losses 0 Bad Types Lengths 0 Statistic Description Frames Received The number of frames received CRC Errors The number of CRC checksum errors detected Alignment Errors The number of frames received misaligned with a CRC error Reso...

Page 92: ...0 lost the Carrier Sense signal usually the result of excessive traffic on the Ethernet Clear to Send Losses The number of times packets could not be transmitted because the Remote Annex 2000 lost the Clear to Send signal usually the result of excessive traffic Collisions Detected The number of times the Remote Annex 2000 had to retry transmissions automatically usually the result of normal Ethern...

Page 93: ...lems that occur Use these LEDs and the ROM Monitor commands to diagnose problems The status LEDs display port activity during normal operations each LED supports one or two ports When the Remote Annex 2000 encounters a problem or an internal error condition these LEDs flash error information If an error occurs save the status of these LEDs Technical support personnel can use this information to di...

Page 94: ...e button s LED lights Figure 1 5 on page 1 6 illustrates the Remote Annex 2000 s front panel Duringthepower upandbootsequence theRemoteAnnex2000runs a set of diagnostics The system LEDs display the diagnostics status thestatusLEDslightinsequence TheRemoteAnnex2000stopswhen it detects one of four error conditions see Table 4 2 or Table 4 4 The flashing pattern of the system LEDs identifies the erro...

Page 95: ...tes Table 4 1 Normal Mode Error free LED States Key On continuously Off Flashing irregularly Flashing regularly about 1Hz Activity N1 Testing LEDs All front panel LEDs light for a few seconds then all but the Power LED turn off confirming that all LEDs are operational Activity Power green Unit green Net green Attn amber Load green Active green N1 LEDs OK N2 Hardware OK N3 Network OK N4 Looking for...

Page 96: ... itself through the transceiver to test the transceiver and its cable After passing this test the Net LED flashes and remains on ActivityN4 Looking for the Boot File The Load LED flashes while the Remote Annex 2000 waits for a load server host to respond to its load request Activity N5 Loading the Code The Load LED lights while the Remote Annex 2000 loads its operational code from a load server ho...

Page 97: ...failure NE2 A description of possible causes and solutions for each error condition follows Table 4 2 Table 4 2 Normal Mode Error LED States Key On continuously Off Flashing irregularly Flashing regularly about 1Hz Activity NE2 Hardware Failure The ROM diagnostics detected an Remote Annex 2000 hardware problem requiring service Call technical support Activity Power green Unit green Net green Attn ...

Page 98: ...he Remote Annex 2000 runs the ROM Monitor addr command automatically allowing you to enter the missing parameter s When youarefinished theunitcontinueswiththeloadordumpandreturns to normal mode at the end of the boot IftheIPaddressorload dumpgatewayaddressislostduringnormal operation i e not through operator error the Remote Annex 2000 may require service Activity NE5 Booted Wrong Image The Remote...

Page 99: ...summarizes the LED sequences that display in test mode during an error free start up A description of each sequence follows Table 4 3 Table 4 3 Test Mode Error free LED States Key On continuously Off Flashing irregularly Flashing regularly about 1Hz Test Test Activity Power green Unit green Net green Attn amber Load green Active green T1 Testing LEDs T2 Testing hardware T3 Testing network T4 At mo...

Page 100: ...elf through the transceiver to test the transceiver and its cable The Net LED flashes during the test After completing the test the Net LED remains on Activity T4 At the Monitor Prompt When the Power Unit and Net LEDs are on the console terminal displays the ROM Monitor prompt Enter the boot command at the prompt If you did not enter a file name with the command a prompt asks you for one Activity ...

Page 101: ...000 fails while testing the hardware state T2 the error condition is hardware failure TE2 A description of each error condition follows Table 4 4 Table 4 4 Test Mode Error LED States Key On continuously Off Flashing irregularly Flashing regularly about 1Hz Activity Power green Unit green Net green Attn amber Load green Active green TE2 Hardware failure TE3 Network test failure TE4 Network test abo...

Page 102: ...e 3 22 for more information Activity TE4 Network Test was Aborted or the net Command Failed The Ethernet loopback test failed and the operator has typed q to access the ROM Monitor prompt ActivityTE7 Booted Wrong Image TheRemoteAnnex2000hasjustloadedaninappropriateimage Clear this error by pressing the button The Remote Annex 2000 loads inappropriate images if one of the following operator errors ...

Page 103: ...sponding The Remote Annex 2000 requests a boot either from a pre defined load host or by broadcasting its boot request When a host responds the Remote Annex 2000 loads its operational code The Remote Annex 2000 requires setting certain configuration parameters Enter these parameters with ROM Monitor commands for the initial boot sequence Chapter 3 describes these commands in detail If the problem ...

Page 104: ...ror codes The Remote Annex 2000 generates a boot error report for the IP address from which it tried and failed to boot The error count pinpoints the error that caused the boot failure For example if the boot failed during a Read Request due to excessive Expedited Remote Procedure Call ERPC layer errors the Errors from Last ERPC Layer Invocation lists only errors that occurred during the failed Re...

Page 105: ... from an incorrect host This indicates that the Remote Annex 2000 received and ignored an unsolicited packet Rsp T O s The Remote Annex 2000 never received a correctly formatted response from the correct host or any response from any load server hosts Msgs of wrong type The correct host sent a message to the Remote Annex 2000 but the message was not a correctly formatted response to the transmitte...

Page 106: ...subnet The IP encapsulation type Many systems have hardware Ethernet interfaces that are IEEE 802 3 compliant but very few actually do 802 3 IP packet encapsulation Use the default Ethernet unless you know absolutely that your LAN does 802 2 802 3 IP packet encapsulation Error Description ARP errors Address Resolution Protocol ARP errors indicate that the Remote Annex 2000 is configured to boot fr...

Page 107: ...he number of stop bits The parity You can use the defaults for both the name of the image file containing the Remote Annex 2000 s software and the address of the preferred load server host If the value for the image name is incorrect the Remote Annex 2000 cannot boot Correct the name using the image command Iftheaddressforthepreferredloadserverhostisincorrect the boot takes longer since the Remote...

Page 108: ...n UNIX using tftp The following subsections discuss troubleshooting for some of these load server hosts UNIX Host on the LAN When troubleshooting a UNIX host on the LAN make sure that The host is booted and functioning properly The host can communicate with other network nodes using standard UNIX networking features and utilities All Remote Annex 2000 software is installed properly on the host see...

Page 109: ...ts the unit so warn users before you do it Then enter boot v WhentheRemoteAnnex2000bootsintestmode theconsoledisplays the load server host s IP address and indicates whether it receives a response to its Open File Request and to any of its Read File Requests The host s progress report indicates receipt of any File Server Requests and its responses to such requests The host displays erpc_return 0 i...

Page 110: ...ng the D option usr annex erpcd D5 2 For the Remote Annex 2000 hold down the button until the Power LED blinks rapidly then release the button and press it again within 3 seconds Then enter boot v Another Remote Annex 2000 When troubleshooting a Remote Annex 2000 configured as a load server host 1 Use the CLI telnet command to access the unit and verify that it is up and running 2 Communicate with...

Page 111: ... enabled username TOPAZ OPCOM 23 DEC 1994 08 0 49 Operator status for operator _NTA2 CENTRAL PRINTER TAPES DISKS DEVICES CARDS NETWORK CLUSTER SSECURITY LICENSE OPER1 OPER2 OPER3 OPER4 OPER5 OPER6 OPER7 OPER8 OPER9 OPER10 OPER11 OPER12 opcom 23 DEC 1994 08 03 43 55 Message from user DECNET DECnet event 0 3 automatic line service From node 1 69 BINGO 23 DEC 1994 08 03 43 52 Circuit SVA 0 Load reque...

Page 112: ...LEDs during a dump Dump files are generated for use by technical support personnel only Events that trigger Remote Annex 2000 dumps are Non recoverable hardware or software errors occur Software fails to reset the Remote Annex 2000 s watchdog timer Software fails one or more internal consistency checks Hardware detects an internal fault Table 4 8 LED States During a Dump Key On continuously Flashi...

Page 113: ...crash dump Rename any crash dumps that you want to save The Remote Annex 2000 overwrites crash dumps Theassignednamedependsonthenumberofcharactersperfilename that the dump host supports For hosts supporting file names longer than14characters e g BSDhosts dumpfilesarenameddump addr The file extension addr is the Remote Annex 2000 s IP address For hosts that limit file names to 14 characters e g Sys...

Page 114: ...nfiguration The ROM Monitor config command displays the amount of memory for the Remote Annex 2000 Table 4 9 shows sample dump file names All pathnames are relative to the file usr spool erpcd bfs Table 4 9 Dump File Naming Conventions Remote Annex 2000 Address Network Address BSD Filename System V Pathname 63 0 0 75 63 dump 63 0 0 75 dump 63 0 0 75 131 140 23 1 131 140 dump 131 140 23 1 dump 131 ...

Page 115: ...s and the associated pins used by the following Remote Annex 2000 ports Serial Port Port 1 is Console Port 10Base2 Ethernet Port 10Base5 Ethernet Port 10BaseT Ethernet Port Serial Port Figure A 1 illustrates a serial port receptacle Table A 1 lists the receptacle s pin signal allocations Figure A 1 Serial Port Receptacle 1 8 ...

Page 116: ...tions A 2 Table A 1 Serial Port Pin Signal Allocations 10Base2 Ethernet Port Figure A 2 illustrates a 10Base2 BNC Ethernet connector Figure A 2 10Base2 BNC Ethernet Connector Pin Number Signal 1 RTS 2 DTR 3 TXD 4 DCD 5 RXD 6 GND 7 DSR 8 CTS Coaxial Center Conductor Coaxial Shield ...

Page 117: ...rt connector Table A 2 lists the connector s pin signal allocations Figure A 3 10Base5 Ethernet Port Connector Table A 2 10Base5 Ethernet Port Pin Signal Allocations 8 1 9 15 Pin Number Signal 1 Chassis ground 2 Collision 3 Transmit 4 NC 5 Receive 6 Ground for transceiver power 7 8 NC 9 Collision 10 Transmit 11 NC 12 Receive 13 12 volts for transceiver power 14 15 NC ...

Page 118: ...Ethernet Port Figure A 4 illustrates a 10BaseT RJ45 Ethernet port receptacle Table A 3 lists the connector s pin signal allocations Figure A 4 10BaseT RJ45 Ethernet Port Receptacle Table A 3 10BaseT Ethernet Port Pin Signal Allocations 1 8 RJ45 Pin Signal 1 TXD 2 TXD 3 RXD 4 NC 5 NC 6 RXD 7 NC 8 NC ...

Page 119: ...ck Connectors The Remote Annex 2000 accessory kit includes the loopback connectors it does not supply the serial port cables Serial Port Cables The Remote Annex 2000 is a DTE system that conforms to an 8 wire USOC wiring standard Serial Cable Wiring Diagrams Figure B 1 and Figure B 2 illustrate the pin numbers and signal directions for cabling from the RA 2000 to respective devices ...

Page 120: ...l Cable Figure B 2 DCE Straight Through Modem Cable Remote Annex 2000 25 way Female DB25 5 RXD 2 TXD 3 TXD 3 RXD 8 CTS 4 RTS 1 RTS 5 CTS 2 DTR 6 DSR 8 DCD 7 DSR 20 DTR 4 DCD 6 GND 7 GND Remote Annex 2000 25 way Male DB25 3 TXD 2 TXD 5 RXD 3 RXD 1 RTS 4 RTS 8 CTS 5 CTS 7 DSR 6 DSR 4 DCD 8 DCD 2 DTR 20 DTR 6 GND 7 GND ...

Page 121: ...uipped with an LED that confirms the presence of the 12 volt transceiver drive voltage Table B 1 shows this connector s pins signal allocations Table B 1 10Base5 Ethernet Loopback Connector Wiring 10BaseT Ethernet Loopback Connector The 10BaseT loopback connector is an RJ45 plug with two pairs of signals looped back Table B 2 shows this connector s pins and signals Table B 2 10BaseT Ethernet Loopb...

Page 122: ...onnector The 8 pin RJ45 loopback plug loops the following signals Transmit and Receive DTR and CTS and RTS DCD and DSR Table B 3 shows this connector s pins and signals Table B 3 Serial Port Loopback Connector Wiring Pin Number Signal Connects to Pin Number Signal 5 RXD 3 TXD 1 RTS 4 7 DCD DSR 2 DTR 8 CTS ...

Page 123: ...e Annex 2000 you may be eligible for our 30 Day Free Support Program Please call Xylogics Technical Support for more information If you have purchased one of the Customer Assistance Programs available from Xylogics see the program information for instructions see Customer Assistance Programs on page C 6 If you have not purchased an Assistance Program you can contact Xylogics Technical Support at o...

Page 124: ...9 Use the modem settings 14400 8 1 N Or you can ftp files from the BBS at bbs xylogics com Customer Assistance Programs There are eight Xylogics Customer Assistance Programs available designed to provide high level support packages that address a variety of needs Premium Customer Assistance Prioritized Support Response Express Hardware Replacement Automatic Software Updates Multiple site Software ...

Page 125: ...ur contract number available when you call When returning the Remote Annex 2000 please include the Repair Information Request Form see page C 11 If you prefer you can copy the form rather than remove it For information on purchasing a Hardware Maintenance Agreement or Software Update Agreement from Xylogics see the insert in the shipping container or contact Xylogics Sales Support at 617 272 8140 ...

Page 126: ...therwise had its serial number or seal or any part of thereof altered defaced or removed Products of non Seller manufacture not incorporated intotheSeller sequipmentattheSeller sfactoryshallbeandishereby excluded from the provisions of this warranty If after inspection by Seller product is not found to be defective Buyer will be invoiced for said inspection and test at the then current repair char...

Page 127: ...RTICULAR PURPOSE LIMITATION OF LIABILITY No action regardless of form arising from the transaction s of this Agreement may be brought by either party more than two 2 years after the cause of action has occurred The Buyer agrees that the Seller will not be liable for any lost profits or for any claim or demand against the Buyer by any other party or by the Buyer In no event shall the Seller be liab...

Page 128: ... to change to the annex incoming directory Use mkdir to create a directory using your site as the directory name Use cd to change to the new directory Transfer the dump file in compressed and binary form Send electronic mail to annex ftp xylogics com to notify Technical Support that you are transferring a dump file Includedetailsaboutthecrash e g errormessages network configuration user activity c...

Page 129: ...ng either the CLI stats command or the ROM Monitor config command obtain Number of ports _________________________________________________________ Memory size _________________________________________________________ Software revision _________________________________________________________ ROM Monitor Revision _________________________________________________________ Hardware revision __________...

Page 130: ..._________________________________________ Image name _________________________________________________________ LAN interface Ethernet ThinNet Twisted Pair Type of IP encapsulation Ethernet IEEE802 Problem description indicate commands issued error messages received source of errors etc _____________________________________________________ _________________________________________________________ _...

Page 131: ...el system indicators were on at the time of failure _________________________________________________________ Which front panel status indicators were on or flashing at the time of failure _________________________________________________________ _________________________________________________________ Did the unit pass the Ethernet loopback test Y N If problems are port related what were the res...

Page 132: ...Remote Annex 2000 Hardware Installation Guide Appendix C Warranty and Technical Support Information C 14 Additional information continued ...

Page 133: ...cast address setting 3 7 C Cables maximum lengths 2 8 2 9 CMKRNL 2 17 communications server review 1 3 CompuServe Bay Networks forum on xx config command 3 13 configuration options 2 1 configurations supported 1 5 connecting devices 2 2 Connecting Remote Annex to console 2 6 to serial devices 2 8 Console terminal description 2 6 console terminal connecting 2 6 console baud command 3 14 crash dump ...

Page 134: ... during a dump 4 20 error free normal mode 4 3 error free test mode 4 7 normal mode error states 4 5 test mode error states 4 9 InfoFACTS service xxi initial boot parameters setting addresses 3 5 Internet address setting 3 7 IP encapsulation setting 3 7 ipx d command 3 19 L lat_key command 3 20 example 3 20 Link indicator 2 6 load dump gateway setting 3 7 M Making Connections 2 2 manual booting de...

Page 135: ... 2 description of 1 5 list of commands 3 2 ROM Monitor vs Console Monitor 1 5 S self booting 2 24 self booting without a Local Ethernet Interface 2 24 sequence command 3 28 examples 3 28 serial cable wiring diagrams B 1 Serial Devices 2 8 serial devices connecting 2 8 serial port A 1 cable wiring B 1 cable wiring diagrams B 1 pin signal allocations A 2 Serial port loopback connector wiring B 4 set...

Page 136: ...est mode entering 4 7 entering during power up 2 11 error indicator states 4 9 error free indicator states 4 7 error free power up sequence 4 7 power up and booting sequence 4 7 Test switch 1 7 description of 1 7 TFTP 3 10 Thick Ethernet 2 4 Thin Ethernet 2 3 troubleshooting during power up and booting 4 2 Twisted Pair Ethernet 2 5 U UNIX boot 2 15 V VMS boot 2 16 W weight 1 12 World Wide Web Bay ...

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