E-13610-A2-GB46-60 December 1996
Troubleshooting and
Front Panel Messages
Troubleshooting E-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Messages E-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Messages Format E-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting
Confirm the installed hardware options. Y
ou receive a
power-up message for each hardware option type; for
example:
•
DSU Pass
•
MUX Pass (TDM or MCMP)
•
DBM Pass
If a fail message appears or a hardware option does not
appear, go to the Configuration (Config) branch, load, and
save a factory-set configuration (FacC or FacT). Refer to
the Power-Up Routine
section in Chapter 2.
If the DSU is not connected to the network yet, the:
•
Red
Alrm indicator is lit
•
LCD displays
DDS F:No Signal, indicating a
facility alarm
• LCD displays Health and Status information
. Procedure
If the DSU fails the power-up test:
1. Go to the T
est branch.
2.
Re-execute the Device T
est (Devic). If the test
passes, continue operating the DSU.
If the device test fails again, call your sales or service
representative.
Messages
This section describes the informational messages that
may appear on the DSU’s front panel when:
•
Using the Async T
erminal feature
• Executing a command
• An error condition prevents execution of a
command
The messages listed here do not include menus, data
entry displays, or specific test results; they do give the
condition for the message and any action to perform.
• T
able E-1 lists command progress messages.
• Table E-2 identifies and describes front panel
messages displayed when async terminal is
enabled.
• T
able E-3 lists command error messages.
• Table E-4 contains configuration error messages
that may appear when the verification routine runs
after pressing SAVE.
• T
able E-5 lists device health and status messages.
• T
able E-6 presents subnetwork health and status
messages.
For configuration error messages supporting
TDM, MCMP
, and digital bridging, refer to
Document No. 3610-A2-GB48.
For configuration error
, progress, and health and
status messages supporting DBMs, refer to Document
No. 3610-A2-GB49.
E
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