Users are referred to
these cards if there is
a possible problem
with the line card and
its components.
DEC Network Integration Server Problem Solving
DECNIS Problem Solving Manuals
Network Interface Card (NIC) Problem Solving cards: are supplied with each NIC.
The cards outline procedures for checking possible problems with NICs, their cables,
distribution panels and modems. Start problem solving with the flowchart.
DECNIS Installation and Service Manual: includes a problem solving section which
outlines procedures for checking hardware problems.
Loopback Connectors
DNSXT–CA
H3248
H3198
H3250
Part Number
DEC Network Integration Server Problem Solving: outlines NCL commands for
checking software problems.
DEC Network Integration Server Event Messages: this is an on-line text
file. The file lists event messages that can indicate faults with hardware and
software. The event message describes the meaning of each event and
what action to take.
50-way loopback connector (male)
V.28, EIA-232D
V.36/V.11, EIA-422
V.35
Loopback Connector
NIC and connecting
cable
Distribution panel
and extension cable
Component
There is no loopback test for the BT Kilostream cable. To check if these cables are
faulty, you must replace them and retest the line. If you are unable to solve your prob-
lem, contact Digital Services.
BT Kilostream
Kilostream is a registered trademark of British Telecommunications, plc.
LKG–5721–91I
2