ACCULINK 317x E1 DSU/CSU
4-2
December 1996
3170-A2-GB20-20
Overview
The E1 DSU/CSU can detect and report faults, and
perform diagnostic tests. These features ensure that your
E1 DSU/CSU is giving you optimum performance in your
network.
Self-Test Health
Use the Self-Test Health command to display the
results of the power-up self-test. Possible messages are
listed in Table 4-1. See Chapter 2, Installation, for more
information about power-up self-test.
To display power-up self-test results,
1. Press F1 to select Stat from the top-level menu
screen.
F1
DSU E1 CEPT
Stat
Test
Cnfig
F2
F3
2. From the Status screen, press F2 to select STest.
F1
Status:
DevHS STest
Perf
F2
F3
3. View the results of the last power-up self-test. If
no problems were found during power-up, the
following message appears.
F1
SelfTst Health:
Passed
F2
F3
Table 4-1
Self-Test Health Messages
Message
Description
Passed
No problems were found during power-up.
CPU fail
The central processing unit failed internal testing.
DTE E1 fail
The unit failed to internally loop data on the DTE circuit.
Failure xxxxxxxx
An 8-digit hexadecimal failure code is provided for service personnel.
LCD fail
The front panel liquid crystal display (LCD) failed.
Memory fail
The unit failed program checksum verification.
NET E1 fail
The unit failed to internally loop data on the network circuit.
Device fail
One or more of the unit’s integrated circuit chips failed to pass internal device level testing.
HDB3/LOS fail
The unit failed to encode data properly or to detect Loss Of Signal.
Alarm fail
The unit failed to transmit AIS or to detect an RAI alarm.
DSU fail
The unit failed to internally loop data on the DSU.
DSU Port
n fail
Port’s integrated circuitry failed to pass device internal testing.
Unknown Exp Dev
The unit is not able to recognize the expansion device connected to the main circuit card.