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5

Troubleshooting the DECserver 90L+

This chapter describes how to troubleshoot the DECserver 90L+. To troubleshoot
your unit:

1.

Verify that the unit is properly installed.

2.

Note the fault condition.

3.

Isolate the problem. Use Table 5–1 as a guide to determine the probable
cause and the suggested solution.

Table 5–1 DECserver 90L+ Troubleshooting

If...

Then...

Do this...

The power LED is not
‘‘on’’

The DECserver 90L+
is not receiving proper
voltage.

Check the AC power connection
and verify that the AC outlet
is working. Check the power
connection on the DECserver 90L+.
If the problem still exists, replace
the power supply.

The self-test LED is not
‘‘on’’

The unit did not pass
self-test.

Replace the unit.

The network LED is not
‘‘on’’

The unit’s network
connector is not properly
terminated.

Check network connection.
Check if the segment is properly
terminated.

Disconnect unit from network.
Connect T-connector with two
50 ohm terminators. If the
LED lights, then it is a network
problem. Otherwise, replace the
unit.

(continued on next page)

Troubleshooting the DECserver 90L+ 5–1

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Содержание DECserver 90L+

Страница 1: ...DECserver 90L Owner s Manual Order Number EK DSRVG OM 001...

Страница 2: ...Rights in Technical data and Computer Software clause at DFARS 252 227 7013 Digital Equipment Corporation 1992 All Rights Reserved Printed in U S A FCC NOTICE The equipment described in this manual ge...

Страница 3: ...lation 2 5 Remove Cover if necessary 2 5 Mount DECserver 90L 2 6 Verify Ports 2 8 Verify Network 2 8 Start Terminal Session 2 9 3 Operating the DECserver 90L Using a Terminal or Personal Computer 3 1...

Страница 4: ...ands 4 6 SET Command 4 6 Setting Port Parameters 4 6 Setting and Clearing Authorized Operation 4 10 Enabling and Disabling AutoConfigure 4 14 Enabling and Disabling Dedicated Service 4 18 Enabling and...

Страница 5: ...2 1 2 DECserver 90L 1 4 2 1 DECserver 90L Standalone Installation 2 2 2 2 Removing the Back Cover of the DECserver 90L 2 3 2 3 DECserver 90L Backplane Installation 2 7 A 1 Port Circuit A 4 Tables 1 1...

Страница 6: ...ting 5 1 A 1 MMJ Pin Out A 4 A 2 LAT Server Characteristics A 5 A 3 LAT Port Characteristics A 6 A 4 Standalone Installation Kit Contents A 6 A 5 DEChub 90 Ethernet Backplane Installation Kit Contents...

Страница 7: ...ning 1 Provides an overview of the DECserver 90L including its features and a quick start procedure 2 Describes how to install the DECserver 90L 3 Describes how to operate the DECserver 90L 4 Describe...

Страница 8: ...r example service Return Key names appear in a box NOTE Provides general information bold text Bold text represents user input For example SET Return In a command line characters in angle brackets rep...

Страница 9: ...bits per second 8 bit characters One stop bit No parity Four LAT sessions per port One outbound maintenance operations protocol MOP session per port Command line recall and editing On Demand Loading...

Страница 10: ...sistance from system management After unpacking the unit 1 Plug the power supply in a working AC outlet and plug the power connector from the power supply into your DECserver 90L The green power LED t...

Страница 11: ...e network node you want to connect to and press Return The DECserver 90L will display a string of dots one per second until the connection is made For more detailed information on installing and using...

Страница 12: ...Overview Figure 1 2 shows the DECserver 90L and calls out its features Figure 1 2 DECserver 90L L J 0 0 0 7 2 T I 0 6 5 4 3 2 1 7 8 9 10 1 4 Overview...

Страница 13: ...the unit Network Connector BNC Connects unit to the network Not used when the unit is installed in the DEChub 90 Ethernet backplane Port Connector MMJ Connect terminals and printers to the DECserver 9...

Страница 14: ......

Страница 15: ...to the section Backplane Installation when installing the unit in the DEChub 90 Ethernet backplane Standalone Installation To install the DECserver 90L as a standalone unit perform the following proce...

Страница 16: ...DECserver 90L Figure 2 1 DECserver 90L Standalone Installation L J 0 0 0 7 3 T I 0 A D G 50 Ohm Terminator T Connector Terminal International Power Supply North American Power Supply 2 2 Installing th...

Страница 17: ...nit Figure 2 2 1 Insert a small screwdriver into the top mounting hole in the cover 2 Lift up on the latch 3 While lifting up on the latch pull the top of the cover away and down from the unit Figure...

Страница 18: ...erify Ports Verify the operation of each port by connecting a terminal to the port Refer to Table 1 1 for supported terminal characteristics Press Return twice autobaud to set the operating speed of t...

Страница 19: ...or prompt Note The DECserver 90L can take up to one minute when connecting to a node for the first time For more information on using the DECserver 90L refer to Chapter 3 in this manual Backplane Inst...

Страница 20: ...in an operating DEChub 90 Ethernet backplane hot swap 2 Rock the unit into place An audible click is heard when the unit is securely latched in place 3 With the power applied to the backplane the foll...

Страница 21: ...Installing the DECserver 90L Figure 2 3 DECserver 90L Backplane Installation L J 0 0 0 7 4 T I 0 Installing the DECserver 90L 2 7...

Страница 22: ...D type a character on the terminal The LED should turn on and off indicating activity on the port Perform this procedure for each port Verify Network Verify the operation of the network Enter SHOW S a...

Страница 23: ...he terminal b At the prompt enter a service name and press Return The DECserver 90L responds by displaying a string of dots while connecting to the selected service Once the connection is established...

Страница 24: ......

Страница 25: ...ver using Maintenance Operations Protocol MOP Note LAT Version 5 0 or higher must be installed and running on a host system before you can use the DECserver 90L If you cannot connect to a selected sys...

Страница 26: ...ssed to the specified host If you do not know the services offered by your host s ask your system manager When a terminal session is established most systems start some type of log in sequence such as...

Страница 27: ...econnect to service RED LO Return USER logged out at 01 JAN 1992 16 55 00 00 C Return DS90L 108 RED session 1 established Welcome to MYNODE running VMS 5 4 Username Note The use of a preferred service...

Страница 28: ...he default session to which you are returned SHOW Return 1 Port_1 2 Port_2 3 Port_3 4 Port_4 5 Port_5 6 Port_6 7 Port_7 8 PRINT P Ports S Server D Dedicated Preferred Service 1 Return Name Port_1 Spee...

Страница 29: ...the FORWARD command F ORWARD at the DECserver 90L prompt and pressing Return The following is an example of having interrupted session 2 and forwarding to session 3 F Return DS90L 112 GREEN session 3...

Страница 30: ...UE session 4 disconnected When you disconnect an interrupted session your session is stopped and the DECserver 90L prompt appears on your terminal Note Entering the DISCONNECT command when there is no...

Страница 31: ...M or D ISCONNECT M If a MOP session is active use of the F ORWARD and B ACKWARD commands will cycle through the MOP session Operating as a Console Server The DECserver 90L can also operate as a consol...

Страница 32: ...mand should be used to establish a terminal session when a service name conflicts with one of the DECserver 90L commands M OP 1 Ethernet address verifica tion code Establishes a MOP session with the d...

Страница 33: ...NECT 1 Disconnects an interrupted terminal session or disconnect the port Disconnecting the port returns the port to the power up state non autobaud D ISCONNECT 1 n Disconnects an interrupted terminal...

Страница 34: ...minute to Clear Authorized Mode DS90L 105 Manager Mode Enabled DS90L 106 Manager Mode Disabled DS90L 107 MOP session disconnected DS90L 107 Service Name session session number disconnected DS90L 108...

Страница 35: ...e DS90L 211 Service Disabled DS90L 212 Entry is Not in the Queue DS90L 213 Immediate Access Rejected DS90L 214 Access Denied DS90L 215 No Session Active DS90L 216 No Default Session Active DS90L 217 C...

Страница 36: ...hed Network Not Connected DS90L 322 Disconnected Network Not Connected DS90L 323 Protocol Error Invalid Slot Received DS90L 324 Protocol Error Invalid Service Class DS90L 326 No Such Service DS90L 327...

Страница 37: ...Cont DECserver 90L Information and Error Codes Message Number Message DS90L 341 Cannot Perform on Subject Port DS90L 342 Target does not respond DS90L 343 Cannot Set Dedicated Preferred Service for Pr...

Страница 38: ......

Страница 39: ...VMS Version 5 4 2 or 5 4 3 The system s service ad happens to be received within 60 seconds The time required for the DECserver 90L to establish a connection can be reduced to a minimum of two seconds...

Страница 40: ...ands are used to examine and set the various port and server parameters The RESET command is used to reset ports and the server to the power up state Accessing MOP from VMS On a VMS operating system t...

Страница 41: ...T VIA SVA 0 PHY ADDR 08 00 2B 08 32 2B Console connected press CTRL D when finished DECserver 90L PROMPT Accessing a DECserver 90L Repeatedly If you need to access a specific DECserver 90L repeatedly...

Страница 42: ...and node number is assigned you can establish the link at any time by using the ccr command ccr n DS90L h 08 00 2B 08 32 2B c sva 0 In this example the h qualifier is followed by the station address o...

Страница 43: ...L is first installed authorized mode is not set and any port can be used to set any other port s parameters and the server s parameters To set authorized mode requires physical access to the unit and...

Страница 44: ...command line SET Command The SET command allows you to set port or server parameters zero network counters and enable and use the DECserver 90L security features Setting Port Parameters The following...

Страница 45: ...trol XON XOFF E Enable D Disable C Clear send XON Output Control Enables and disables output flow control XON XOFF E Enable D Disable C Clear send XON Terminal Printer Selects the type of device conne...

Страница 46: ...nged 2 Select the port by entering a number 1 through 8 and press Return 3 Set the parameters in response to the prompts The asterisk indicates the current setting of the parameter for the selected po...

Страница 47: ...d Loading PA Password PO Port PR Preferred Service S Server 8 Return Name Speed Input Output Terminal Break Remote Test Control Control Printer Modify PORT_8 1 38400 E Enable E Enable T Term L Local E...

Страница 48: ...operation To set authorized operation you must have physical access to the unit because the unit s power must be cycled Setting the Authorized Operation by Menu To set the authorized operation from th...

Страница 49: ...INT AUTH Authorized AUTO AutoConfigure D Dedicated Service M Manager O On Demand Loading PA Password PO Port PR Preferred Service S Server AUTH Return S Set C Clear S Return New Verify Password Passwo...

Страница 50: ...rized mode from the menu 1 Enter SET at the DECserver 90L prompt and press Return The asterisk indicates the port to which you are connected 2 Select Authorized by entering AUTH and press Return 3 Sel...

Страница 51: ...ORT_5 6 PORT_6 7 PORT_7 8 PRINT AUTH Authorized AUTO AutoConfigure D Dedicated Service M Manager O On Demand Loading PA Password PO Port Authorized PR Preferred Service S Server AUTH Return S Set C Cl...

Страница 52: ...NVRAM Personal computer users would want to disable the AutoConfigure and flow control checking to transfer binary files The port AutoConfigure state is shown in a show port screen Note All port para...

Страница 53: ...T_6 7 PORT_7 8 PRINT AUTH Authorized AUTO AutoConfigure D Dedicated Service M Manager O On Demand Loading PA Password PO Port PR Preferred Service S Server AUTO Return 1 PORT_1 2 PORT_2 3 PORT_3 4 POR...

Страница 54: ...sk indicates the port to which you are connected 2 Select AutoConfigure by entering AUTO and press Return 3 Select the port by entering a number 1 through 8 and press Return 4 Select Disable by enteri...

Страница 55: ...T_6 7 PORT_7 8 PRINT AUTH Authorized AUTO AutoConfigure D Dedicated Service M Manager O On Demand Loading PA Password PO Port PR Preferred Service S Server AUTO Return 1 PORT_1 2 PORT_2 3 PORT_3 4 POR...

Страница 56: ...e Breaking to the DECserver 90L user interface is not allowed on a dedicated service port If a dedicated service has been enabled it will be listed in a show port screen with the other port parameters...

Страница 57: ...RT_7 8 PRINT AUTH Authorized AUTO AutoConfigure D Dedicated Service M Manager O On Demand Loading PA Password PO Port PR Preferred Service S Server D Return 1 PORT_1 2 PORT_2 3 PORT_3 4 PORT_4 5 PORT_...

Страница 58: ...isk indicates the port to which you are connected 2 Select Dedicated Service by entering D and press Return 3 Select the port by entering a number 1 through 8 and press Return 4 Select Disable by ente...

Страница 59: ...6 PORT_6 7 PORT_7 8 PRINT AUTH Authorized AUTO AutoConfigure D Dedicated Service M Manager O On Demand Loading PA Password PO Port PR Preferred Service S Server D Return 1 PORT_1 2 PORT_2 3 PORT_3 4...

Страница 60: ...wn the terminal server or the terminal or by disconnecting the terminal from the server long space disconnect Enable Manager Mode by Menu To enable manager mode from the menu 1 Enter SET at the DECser...

Страница 61: ...2 PORT_2 3 PORT_3 4 PORT_4 5 PORT_5 6 PORT_6 7 PORT_7 8 PRINT AUTH Authorized AUTO AutoConfigure D Dedicated Service M Manager O On Demand Loading PA Password PO Port PR Preferred Service S Server M R...

Страница 62: ...manager mode from the menu 1 Enter SET at the DECserver 90L prompt and press Return The asterisk indicates the port to which you are connected 2 Select Manager by entering M and press Return 3 Select...

Страница 63: ...1 PORT_1 2 PORT_2 3 PORT_3 4 PORT_4 5 PORT_5 6 PORT_6 7 PORT_7 8 PRINT AUTH Authorized AUTO AutoConfigure D Dedicated Service M Manager O On Demand Loading PA Password PO Port PR Preferred Service S...

Страница 64: ...e session that contains font data and on demand loading is not enabled the slot will be considered illegal and the circuit will be stopped Enable On Demand Loading by Menu To enable On Demand Loading...

Страница 65: ...ORT_5 6 PORT_6 7 PORT_7 8 PRINT AUTH Authorized AUTO AutoConfigure D Dedicated Service M Manager O On Demand Loading PA Password PO Port PR Preferred Service S Server O Return 1 PORT_1 2 PORT_2 3 PORT...

Страница 66: ...isk indicates the port to which you are connected 2 Select On Demand Loading by entering O and press Return 3 Select the port by entering a number 1 through 8 and press Return 4 Select Disable by ente...

Страница 67: ...ORT_5 6 PORT_6 7 PORT_7 8 PRINT AUTH Authorized AUTO AutoConfigure D Dedicated Service M Manager O On Demand Loading PA Password PO Port PR Preferred Service S Server O Return 1 PORT_1 2 PORT_2 3 PORT...

Страница 68: ...press Return The asterisk indicates the port to which you are connected 2 Select password by entering PA and press Return 3 Enter the old password The old new and verify password entries are not echo...

Страница 69: ...3 PORT_3 4 PORT_4 5 PORT_5 6 PORT_6 7 PORT_7 8 PRINT AUTH Authorized AUTO AutoConfigure D Dedicated Service M Manager O On Demand Loading PA Password PO Port PR Preferred Service S Server PA Return Ol...

Страница 70: ...OCAL or CONN A disabled port status will be DIS The port status is shown in a show port screen Enable a Port by Menu To enable a port from the menu 1 Enter SET at the DECserver 90L prompt and press Re...

Страница 71: ...ORT_5 6 PORT_6 7 PORT_7 8 PRINT AUTH Authorized AUTO AutoConfigure D Dedicated Service M Manager O On Demand Loading PA Password PO Port PR Preferred Service S Server PO Return 1 PORT_1 2 PORT_2 3 POR...

Страница 72: ...asterisk indicates the port to which you are connected 2 Select Port by entering PO and press Return 3 Select the Port by entering a number 1 through 8 and press Return 4 Select Disable by entering D...

Страница 73: ...ORT_5 6 PORT_6 7 PORT_7 8 PRINT AUTH Authorized AUTO AutoConfigure D Dedicated Service M Manager O On Demand Loading PA Password PO Port PR Preferred Service S Server PO Return 1 PORT_1 2 PORT_2 3 POR...

Страница 74: ...Enabling Preferred Service by Menu To enable preferred service from the menu 1 Enter SET at the DECserver 90L prompt and press Return The asterisk indicates the port to which you are connected 2 Sele...

Страница 75: ...7 8 PRINT AUTH Authorized AUTO AutoConfigure D Dedicated Service M Manager O On Demand Loading PA Password PO Port PR Preferred Service S Server PR Return 1 PORT_1 2 PORT_2 3 PORT_3 4 PORT_4 5 PORT_5...

Страница 76: ...sk indicates the port to which you are connected 2 Select Preferred Service by entering PR and press Return 3 Select the Port by entering a number 1 through 8 and press Return 4 Select Disable by ente...

Страница 77: ...ORT_5 6 PORT_6 7 PORT_7 8 PRINT AUTH Authorized AUTO AutoConfigure D Dedicated Service M Manager O On Demand Loading PA Password PO Port PR Preferred Service S Server PR Return 1 PORT_1 2 PORT_2 3 POR...

Страница 78: ...to set the server parameters using both methods If authorized mode is set you must first enable manager mode Table 4 4 Server Parameters Field Description Name Maximum of 16 characters You can use the...

Страница 79: ...nated with a Return Entering a Return with no input for a parameter leaves the field unchanged If an incorrect entry is made the DECserver 90L signals the error and waits for a correct entry Setting S...

Страница 80: ...3 PORT_3 4 PORT_4 5 PORT_5 6 PORT_6 7 PORT_7 8 PRINT AUTH Authorized AUTO AutoConfigure D Dedicated Service M Manager O On Demand Loading PA Password PO Port PR Preferred Service S Server S Return Na...

Страница 81: ...f the port is set for local or remote break Rem Mod Tells if remote modify is enabled or disabled Test Tells if the loopback test is active AutoConf Tells if AutoConfigure is enabled or disabled ODL T...

Страница 82: ...eued Printer ports only Lists jobs queued to the port maximum of seven plus one active The SHOW command allows you to examine the status of all ports or a selected port The DECserver 90L provides addi...

Страница 83: ...icated Preferred Service P Return Name PORT_1 PORT_2 PORT_3 PORT_4 PORT_5 PORT_6 PORT_7 PRINT Speed 38400 9600 In Flow ENA on ENA on ENA on ENA on ENA on ENA on ENA on ENA on Out Flow ENA on ENA on EN...

Страница 84: ...Port_4 5 Port_5 6 Port_6 7 Port_7 8 PRINT P Ports S Server D Dedicated Preferred Service 1 Return Name Port_1 Speed 38400 In Flow ENA on Out Flow ENA on Type TERM Break LOCAL Rem Mod DIS Test NO Auto...

Страница 85: ...by Menu The SHOW SERVER command can be entered interactively or by a command line The following example shows the SHOW SERVER command entered interactively 1 Enter SHOW at the DECserver 90L prompt an...

Страница 86: ...Frames Rcv d 3333 Receive Failures 0 Multicast Frames Sent 5 Unrecognized Destination 0 Frames Sent Deferred 4 Data Overrun 0 Frames Sent 1 Collision 0 User Buffer Unavailable 0 Frames Sent 2 Collisi...

Страница 87: ...interactively 1 Enter SHOW at the DECserver 90L prompt and press Return The asterisk indicates the port to which you are connected 2 Select Dedicated Preferred by entering D and press Return SHOW Ret...

Страница 88: ...ned to the non autobaud state no speed set After being reset press the Return key twice to autobaud a port and set the speed RESET Command by Menu The following example shows the RESET command used to...

Страница 89: ...cause the entire command to be ignored A space is required between the command set or show and its parameters The command line interpreter uses a comma as a delimiter to separate the different fields...

Страница 90: ...e SET D edicated port D isable Enable Manager Mode SET M anager E nable password Disable Manager Mode SET M anager D isable Enable On Demand Loading Mode SET O n demand port E nable Disable On Demand...

Страница 91: ...rver 90L supports command line recall and editing of the command line Only insert mode is supported Lines can be recalled and edited using the keys described in Table 4 6 Table 4 6 Command Line recall...

Страница 92: ...Output flow as required by printer usually enabled Device type Printer Break as required by printer usually don t care Remote Modify enabled if host needs to be able to change printer characteristics...

Страница 93: ...ers must be set using a MOP console carrier session The print queue configuration is only in effect until the host is rebooted To save the configuration enter steps 2 3 and 4 into the LAT SYSTARTUP CO...

Страница 94: ......

Страница 95: ...r voltage Check the AC power connection and verify that the AC outlet is working Check the power connection on the DECserver 90L If the problem still exists replace the power supply The self test LED...

Страница 96: ...e activity LED on the DECserver 90L the LED should blink when characters are typed at the terminal If not check that the activity LED blinks when characters are typed on terminals connected to other p...

Страница 97: ...port is not set for a printer Set the port for the printer The baud rates are incompatible Check printer and port baud rates The flow control is not set as required by the application Check flow contr...

Страница 98: ......

Страница 99: ...hysical dimensions Environmental specifications Electrical specifications LAT specifications Physical Dimensions The physical dimensions of the DECserver 90L are as follows Dimension Value Height 3 18...

Страница 100: ...C 41 F to 122 F Maximum rate of change 20 C hr 68 F hr Relative humidity 10 to 95 non condensing Wet bulb temperature 32 C 90 F maximum Dew point 2 C 36 F minimum Altitude Sea level to 2 4 km 8000 ft...

Страница 101: ...to 256 VAC nominal 240 VAC Current at 120 volts 25 A Current at 240 volts 125 A Frequency 50 Hz to 60 Hz Power consumption 16 Watts Output voltage 5 1 VDC Output current 1 8 A DECserver 90L Item Valu...

Страница 102: ...gnal is pulled high when power is applied to the DECserver 90L 2 This signal is tied to ground through a 3K ohm resistor Figure A 1 shows the circuit connections for each port Figure A 1 Port Circuit...

Страница 103: ...ristics Characteristic Setting High protocol 5 2 Low protocol 5 0 Product type code 35 Node type Master Keepalive timer 20s Master circuit timer 80ms Local cache node limit 24 Password 8 characters ma...

Страница 104: ...t 1 2K to 38 4K Name 6 characters settable Break Local remote settable Session limit 4 Parts List Table A 4 lists the kit contents for a standalone installation Table A 4 Standalone Installation Kit C...

Страница 105: ...l EK DSRVG OM DSRVG MA Table A 6 lists the related parts for the DECserver 90L Table A 6 Related Parts Part Length Order Number ThinWire Coaxial Cables 6ft 1 8m BC16M 06 15ft 4 7m BC16M 15 30ft 9 3m B...

Страница 106: ......

Страница 107: ...ation Guide EK DECSY CG Ordering Information Customers can order documents by phone or mail Continental USA and Puerto Rico Call 800 258 1710 or mail to Digital Equipment Corporation Peripherals and S...

Страница 108: ...onnel can order these documents from Digital Equipment Corporation 444 Whitney Street Northboro MA 01532 Attn Publishing and Circulation Services NRO2 Order Processing Section VMS mail to ORDER NEST A...

Страница 109: ...mand 4 6 SHOW 4 43 symbols and functions table 3 8 to establish and control a terminal session 3 8 to manage a terminal session 3 8 Commands cont d user 3 8 Connectors backplane 1 5 MMJ pin out A 3 ne...

Страница 110: ...T server characteristics A 5 Local management 4 2 M Maintenance operations protocol See MOP Management commands 4 6 local 4 2 remote 4 2 Manager mode 4 22 disable by command line 4 24 disable by menu...

Страница 111: ...er supply specifications A 3 Preferred service 4 36 disable by command line 4 38 disable by menu 4 38 enable by command line 4 36 enable by menu 4 36 Printer troubleshooting 5 3 Printer cont d using a...

Страница 112: ...Terminal session cont d resuming an interrupted session 3 5 starting a session 2 5 2 9 Troubleshooting determining cause and solution 5 1 to 5 3 V Verification network 2 4 2 8 ports 2 4 2 8 Index 4...

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