Digital Equipment DECserver 200 User manual

DECserver 200
Problem Determination
Guide
June 1989
This guide
describes
DECserver
200
problem determination
and
trouble-
shooting. It is intended
for
the
server manager.
Supersession/Update
Information: This is a
revised manual.
Software
Version:
DECserver
200 V3.0
This
manual applies to
Version
3.0
of DECserver
200
and all
subsequent
maintenance releases up to
the next
major product
release.
d
a9au
a
TM
Order
No.
AA-KS24B-TK

AA-KS24B-TK
June
1989
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
only be used
or copied
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.
Copyright ©1989 by
Digital
Equipment
Corporation
_
All Rights
Reserved
Printed
in
U.S.A.
The
postage
-prepaid
Reader's
Comments
form on the
last page
of
this
document
requests the
user's
critical
evaluation to
assist us
in
preparing future
documentation.
The
following are
trademarks
of
Digital
Equipment
Corporation:
DEBNA
DEBNET
DEC
DECconnect
DECnet
DECserver
DECUS
DELNI
DELUA
D E LQA
DEMPR
DEQNA
DESQA
DESVA
DEUNA
oaea000
TM
LAN Bridge
LA120
LN01
LN03
LQP02
MASSBUS
Micro/RSX
MicroVAX
PDP
Professional
Q
-bus
Rainbow
RSX
RSX-IIM-PLUS
ThinWire
ULTRIX
-32
UNIBUS
VAX
VAXcluster
VAXmate
VAXstation
VMS
This
manual
was produced
by Networks
and
Communications Publications.

Contents
Preface
1 Introduction
to
DECserver
200
Problem
Determination
2 Troubleshooting
Tools
2.1
The
Console
Port
2-1
2.2
The Status LEDs
2-1
2.3 The
DECserver
200
Self
-test
2-3
2.4 DECserver
200
TEST
Commands
2-3
2.4.1
The
TEST
SERVICE
Command
2-3
2.4.2
The
TEST PORT
Command
2-4
2.4.3 The
TEST LOOP
Command
2-5
3
What
to Do
First
iii

4
Problems
on All
Ports
4.1 Status
LED
D1
Off —
No
DC Voltage
4-1
4.2
Status
LED D2 OFF --- Fatal Error
or
Test
in
Progress
4-2
4.3
Status
LED D2 Blinking
4-2
4.3.1
Error
Messages
920
and
921 4-2
4.3.2 Error
Messages
922
and
923
4-3
4.3.3
Error
Messages
930 and
931
4-3
4.3.4
Error
Messages
935 and 936
4-4
4.3.5
Error Message
932 4-4
4.3.6
Error
Messages
941, 942,
and
950
4-4
4.4 Ethernet Heartbeat
Error
4-7
4.5
Insufficient
Memory
Resources 4-8
4.6 No
Console Messages
4-8
4.7 Down
-Line
Loading
Problems —Status
LED
D3
Blinking 4-9
4.7.1 Down
-Line
Load Starts,
Then
Fails 4-10
4.7.2 Down
-Line Load Does Not Start
4-11
4.8
Message
Number
913 Appears 4-15
4.9
Server
Port
or
Port Device
Hardware Problems
4-17
5
Problems
with
Individual
Port
Devices
5.1
Check
These
Things First 5-1
5.2
An
Interactive
Terminal
Is Not
Working
5-3
5.3 Problems
with Non-LAT
Host
Devices
5-7
5.4
Problems
with
Dial -In
Modem
Ports 5-9
5.5 Problems
with Dial
-Out
Modem
Ports
5-13
5.6
A
PC File
Transfer
Fails 5-17
5.7
A
Line
Printer
Fails at
aRemote-Access Port
5-18
iv

6
Problems
with
Service Nodes
6.1
Message
Timing
Problems 6-1
6.2
LAT
Protocol
Errors 6-2
6.3
Authorized
Groups
Mismatch
6-3
6.4 Server
Capacity
Exceeded
6-3
6.5
Service Node Software Not
Running 6-4
6.6
Service Node Not Available 6-4
7
Problems
with
the
Ethernet
8
Digital Equipment Corporation
Service
8.1
Before
You
Contact
Digital
Equipment Corporation
8-1
8.2
Repackaging
a
DECserver
for Shipping 8-2
8.3
Forwarding
Up
-Line
Dump
Data
8-2
Index
How
to
Order
Documents
Figures
1-1 Network Components
1-1
1-2
Composition
of
Network
Components
1-2
2-1
DECserver
200
Control/Indicator
Panel
2-2

Tabies
2-1
Status
LED
Indications
2-2
5-1
Port
Device
Problem
—Check These
Things First 5-1
vi

Preface
The DECse~•z~er 200 P~~oblern
Deterrninatio~~1
Guide
describes how
to troubleshoot
the
DECserver
200
system
software and
hardware. The
manual
also de-
sc~•ibes t11e
troubleshooting
tools
and
their
use.
Intended
Audience
This
manual
is intended
mainly for
the
server manager,
but also
Digital
Equipment
Corporation
training,
field service, and
manufacturing person-
nel.
Knowledge
of
Ethernet
local
area networks
is a
prerequisite
for using
the
manual effectively.
Document Structure
The sections
of
this
guide and
their
contents are summarized
below:
Chapter 1
Chapter 2
Chapter
3
Chapter 4
Chapter
5
Chapter
6
Briefly
introduces
DECserver
200 problem
determination.
Describes
tl~e
troubleshooting
toots
and
the
hardware and
software features
that are
useful for troubleshooting.
Describes the
initial
steps to take
when
you see
a
problem .
Describes
how
to
troubleshoot problems
that involve
all
t11e
server
ports.
Describes
how
to
troubleshoot
problems
t11at
affect one o~~
more,
but
not
all,
ports and
por.
t devices.
Describes
problems
involving
communication with
service
nodes
on
the
Ethe~•net.
vii

Chapter 7
Chapter
8
Describes problems
on
the
Ethernet interface.
Describes
how to use
Digital
Equipment Corporation rnainte-
nance services.
other
DECserver
200
Manuals
■
Using
DECserver 200
Docu~~ients
Directs you
to information
contained
in
the
DECserver 200
documen-
tation
set.
Flowcharts
for
different audiences
suggest
logical
reading
sequences.
This
document
is
intended
for
any user of
the DECservei•
200
documentation
set.
•
DECserver 200
Hardzvare Installation/Ozvner's
Guide
Explains how to
install
the
DECserver
200 hardware
unit and how to
test its
operation.
The
guide
also
describes the
DECse1•ver
200 controls
and
indicators. The guide
is intended
for
the hardware
installer.
•
DECse~•ver 200
Identification Card
Provides the space to
record the
serial
number,
Ethernet
address,
DECnet
node
address,
and
DECnet node name
of
the
server.
This doc-
ulnent
is
intended
for
the
network
manager,the
software
installer,
and
the
server manager.
■
DECse~•ver 200 Softzvare
Installation Guide (op-sys)
Explains
how
to
install
the
DECserver
200 software, how
to
establish
down
-line load hosts,
and
how
to
verify
the
DECserver
200
system in-
stallation. In
the
title,
(op-sys) is
the
name
of
the load host
operating
system.
This
guide is
intended
for
the load host
system manager and
the serves•
manager.
DECse~~z~er 200 User's Gtcide
Describes the
user
interface and the
general
functions
of
the
server.
This guide provides the complete
information for using all nonprivi-
leged
server
commands. This
guide is
intended
for
users
of
interactive
terminals connected to
the
DECserver
200 ports.
•
Termi~lal Server User's Reference Card
Describes and gives
examples
of
the most
frequently
used
nonprivi-
leged
server
commands
on
a
reference
card.
Thiscard
is intended
for
users
of
interactive
terminals connected to
server
ports.
viii

•
DECse~~ver
200 Manageme~zt
Guide
Describes
all
the initial and day-to-day
management
tasks
required
of
the
DECserver
20U
manager.
The
topics
cover• all
the information
needed
to
configure the
ports
and to
customize the
permanent and op-
erational
databases
of
the
server.
This document is
intended
for•
the
DECserver
200
manager.
•
Ter»iinal Se~~ver Co»lrnanc~s arld Messages
Describes the usage and
syntax of
all terminal
server
commands. This
reference also
lists and describes
all
status and
error
messages issued
by
the
server.
This
reference is intended for
the
server
manager
but
is
useful for
terminal
users who want more
detailed
reference
information.
■ DECserver
200 Cornrnands
Mini
-Reference
Summarizes
all
privileged and
nonprivileged
server
commands
and
characteristics
in
a
pocket -sized mini
-reference.
This
reference
is
in-
tended
as
a
memory
jog
of
command syntaxes
for both
privileged and
nonprivileged
users.
•
DECse~~ver
200
Tech~lical Ma~tual
Describes
hardware
logic, diagnostic firmware and
software,
and
gen-
eral operating
procedures.
The manual
is intended
for
use
in training,
in
field service,
and
in
manufacturing.
The
level
of
technical
informa-
tion
assumes
previous
training
or•
experience
with
Ethernet
networks
and
with Digital Equipment
Corporation's
VAX -11 or
PDP-11
architec-
ture.
■ Local Area
Transport
(LAT)
Netzvork
Concepts
Describes t11e
Local
Area
Transport
(LAT)
architecture, the
LAT
pro-
tocol,
and
LAT
network concepts. This document
is
intended
for
the
server
manager,
the
system manager,
and
the
network
manager.
■ Terrrtinal
Server Glossary
Defines
terms
used
in
the
server
documentation
set.
This is intended
as
a
reference
tool for
all
users
of
server• documentation.
DECserver
200
On
-Line
Documentation
■ DECserver
200 Release Notes
Describes
any
discrepancies
between the
actual
product
and
t11e
in-
formation in
the
documentation
set. These notes
are
intended
for
the
software
installer•
and
the
server manager.
ix

■
On -Lute
Hella
Provides
two
forms
of
server•
help: tllt011al
11e1p
and
CU111I11a11d
1'efer-
ence
help.
Tutorial
help
provides
basic information
about logging
in
and
using
the
server.
Command
reference help
provides
detailed
in-
formation
about
using
the
server
commands
available
at
your
privilege
level. Help
is intended
for
all
server
users.
Associated
Documents
■
Gt.cide to
Terrrtit-tar
Server
Manager
and
Ter~ftinal
Server
Manager
Software
Installation
Guide
These
documents
contain
t11e information
necessary
to
install
and run
the
Terminal
Seiner Manager
(TSM)
software,
an
optional
network
management
product,
which
is installed
onto
a
VMS
system
running
DECnet-VAX.
These
guides
describe
how to
use
TSM
to
manage a mix
of
Digital
Equipment
Corporation's Ethernet terminal
servers connected
to
the
same
Ethernet
as
a VAX
computer.
These
guides
are
intended
for
the installer•
and
the
manager of
the TSM
product.
Conventions
Used
in
this
Guide
To
use
t11is
manual
effectively,
familiarize yourself with
the
conventions
dis-
cussed
below. The
following
conventions
apply
to
numbers:
■ All
numbers
are decimal
unless
otherwise
noted.
■
All
Ethernet
addresses
are
given
in
hexadecimal.
Graphic
Conventions
Used
in
This
Guide
Convention
Meaning
Special type
This special
type
indicates system
output
ors
user.
input. System
output
is
in
black
type;
user
input
is
in
red
type.
x