Digital Equipment DECserver 90L+ User manual
DECserver90L+
Owner’sManual
Order Number: EK-DSRVG-OM.001
January 1992
The information in this document is subject to change without notice and should not be construed
as a commitment by Digital Equipment Corporation. Digital Equipment Corporation assumes no
responsibility for any errors that may appear in this document.
The software described in this document is furnished under a license and may be used or copied
only in accordance with the terms of such license.
No responsibility is assumed for the use or reliability of software on equipment that is not supplied
by Digital Equipment Corporation or its affiliated companies.
Restricted Rights: Use, duplication, or disclosure by the U.S. Government is subject to restrictions
as set forth in subparagraph (c) (1) (ii) of the 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 generates, uses and may emit radio
frequency energy. The equipment has been type tested and found to comply with the limits for
a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules, which are designed
to provide reasonable protection against such radio frequency interference when operated in a
commercial environment. Operation of this equipment in a residential area may cause interference,
in which case the user at his own expense may be required to take measures to correct the
interference.
The following are trademarks of Digital Equipment Corporation: DEC, DECbridge, DECconnect,
DECnet, DECserver, Digital, VMS, LAT, VAX, and the DIGITAL logo.
This document was prepared using VAX DOCUMENT, Version 2.0.
Contents
About This Manual...................................... vii
1 Overview
Features ............................................. 1–1
Quick Start . . . ....................................... 1–2
2 Installing the DECserver 90L+
Standalone Installation . . ............................... 2–1
Mount DECserver 90L+. ............................. 2–1
Remove Cover (if necessary). . . . ....................... 2–3
Make Connections. . . . ............................... 2–4
Verify Ports. ....................................... 2–4
Verify Network. .................................... 2–4
Start Terminal Session. .............................. 2–5
Backplane Installation . . . ............................... 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
Establishing a Terminal Session ....................... 3–1
Ending a Terminal Session ........................... 3–2
Last Number Redial . . ............................... 3–3
Interrupting a Terminal Session ....................... 3–3
Resuming an Interrupted Terminal Session ............... 3–5
Cycle Forward from an Interrupted Terminal Session . ...... 3–5
Cycle Backward from an Interrupted Terminal Session ...... 3–5
iii
Disconnecting an Interrupted Terminal Session............ 3–6
Using MOP Console Carrier.............................. 3–6
Operating as a Console Requester ...................... 3–7
Operating as a Console Server . . ....................... 3–7
Using a Printer ....................................... 3–7
DECserver 90L+ Commands ............................. 3–8
DECserver 90L+ Information and Error Codes ............... 3–10
4 Managing the DECserver 90L+
Local Management ..................................... 4–2
Remote Management ................................... 4–2
Accessing MOP from VMS ............................ 4–2
Accessing MOP from ULTRIX . . ....................... 4–4
Security ............................................. 4–5
Management Commands . ............................... 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 Disabling Manager Mode ............... 4–22
Enabling and Disabling On-Demand Loading .......... 4–26
Changing Password by Menu ....................... 4–30
Enabling and Disabling Ports ...................... 4–32
Enabling and Disabling Preferred Service ............. 4–36
Setting Server Parameters . . ....................... 4–40
SHOW Command ................................... 4–43
SHOW PORTS . . . ............................... 4–43
SHOW SERVER. . ............................... 4–47
SHOW DEDICATED/PREFERRED SERVICE .......... 4–49
RESET Command . . . ............................... 4–50
Command Line..................................... 4–51
Using a Printer ....................................... 4–54
5 Troubleshooting the DECserver 90L+
iv
A Specifications and Parts List
Physical Dimensions ................................... A–1
Environmental Specifications ............................. A–2
Operating Environment .............................. A–2
Shipping Environment ............................... A–2
Power Specifications.................................... A–3
Power Supply ...................................... A–3
DECserver 90L+ ................................... A–3
Connector Pin Out ..................................... A–3
LAT Specifications ..................................... A–5
Parts List ............................................ A–6
B Related Documentation
Ordering Information . ............................... B–1
Index
Figures
1–1 Sample DECserver 90L+ Connection .............. 1–2
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 Supported Terminal Characteristics ............... 1–3
3–1 DECserver 90L+ User Commands . ............... 3–8
3–2 DECserver 90L+ Information and Error Codes ...... 3–10
4–1 Ethernet Circuit Names for VMS-Based Systems .... 4–3
4–2 Ethernet Circuit Names for ULTRIX-Based
Systems .................................... 4–4
4–3 Port Parameters .............................. 4–7
4–4 Server Parameters ............................ 4–40
4–5 Port Status Description . ....................... 4–43
4–6 Command Line recall and editing . ............... 4–53
v
5–1 DECserver 90L+ Troubleshooting . ............... 5–1
A–1 MMJPinOut................................ 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.................................... A–7
A–6 Related Parts . ............................... A–7
vi
About This Manual
This guide gives an overview of the DECserver 90L+ and describes how to install,
operate, manage, and troubleshoot the DECserver 90L+. This guide also gives
the specifications and related documentation for the DECserver 90L+.
Organization
This guide has five chapters and two appendices.
Chapter Meaning
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 Describes how to manage the DECserver 90L+ locally or from
a remote device on the network.
5 Describes how to troubleshoot the DECserver 90L+.
Appendix A Describes the physical dimensions; environmental, electrical,
and LAT specifications.
Appendix B Provides a list of related documentation and how to order
information.
vii
Conventions
Convention Meaning
italic Indicates a new term or, in command syntax examples, italic words
represent elements of a command for which you supply a value. For
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 <> represent elements
of a command for which you supply a value. For example:
-> <old_password>, <new_password>
[] The characters in brackets [] are optional. For example:
D[ISCONNECT]
viii
1
Overview
This chapter describes the features of the DECserver 90L+ and provides a
summary of the installation procedure.
Features
The DECserver 90L+ contains the following features:
• Easy user interface
• Plug-and-go installation
• Small in size
• Rack mountable in DEChub 90
Ethernet backplane
• Network management through
MOP and TSM (future release of
TSM)
• Dedicated service
• Preferred service
• Programmable prompt
• LAT compatible, V5.0 or higher
• Eight ports
– 1.2 K bits to 38.4 K 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 Font Protocol
• Enable/disable ports
• Printer support, including queuing
• "Send Break" out port
The DECserver 90L+ terminal server is an eight line terminal server that
supports terminals and printers. Each line or port can establish up to a
maximum of four LAT sessions and one MOP session at a time. DECserver 90L+
supports Digital’s Local Area Transport (LAT) protocol and is designed to work in
a ThinWire Ethernet Local Area Network (LAN), as shown in Figure 1–1.
Overview 1–1
Overview
Figure 1–1 Sample DECserver 90L+ Connection
Terminal Personal Computer Printer
DECserver 90L+
Terminal Server
ThinWire Ethernet
Computer 1 Computer 2 Computer 3 Computer N
Terminal
Terminal Terminal Terminal Terminal
LJ-01099-TI0
Quick Start
To install and begin using your DECserver 90L+ is simple. It does not require
any programming or other assistance 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 turns on to indicate DC power is getting to the unit.
The green self-test LED turns on to indicate that the unit successfully
completed its internal self-test. The self-test takes approximately five seconds
to complete.
2. Connect the unit to a properly terminated ThinWire Ethernet.
The green network LED turns on to indicate a good connection.
1–2 Overview
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