CARR-POW (Carrier Port Power Unit) for DC-Powered
Systems
Issue 4 May 2002
10-385 555-233-123
7. Lift the locking lever upward until it latches.
8. Move the locking lever slide on the power unit to the extreme right position.
9. Connect the power cord.
10. If this is a 645B power unit, set the power switch to ON.
Hardware Error Log Entries and Test to Clear
Val ues
Notes:
a. Where P is an appropriate port network number taken for the Port field of
the Error Log.
b. Run the Power Unit Query Test (#127) first using the test environment P r
2 command. Then, if a carrier must be recycled to clear the CARR-POW
alarm, use the recycle carrier PC command to run the Power Unit Recycle
Test (#126). The Power Unit Recycle Test (#126) is not included in either
the long or Short Test Sequences.
!
WARNING:
The Power Unit Recycle Test (#126) is destructive. For more
information, refer to the description of this test.
System Technician-Demanded Tests: Descriptions
and Error Codes
Always investigate tests in the order presented in the table below when inspecting
errors in the system. By clearing error codes associated with the Battery & Battery
Charger Query Test, for example, you may also clear errors generated from other
tests in the testing sequence.
Carrier Port Power Unit Error Log Entries
Error
Type
Aux
Data Associated Test
Alarm
Level
On/Off
Board Test to Clear Value
0
1
1 Run the Short Test Sequence first. If all tests pass, run the Long Test Sequence. Refer to the
appropriate test description and follow the recommended procedures.
0 Any Any Any test environment P sh r 1
1(a)(b) 0 or 1 Power Unit Query
Test (#127)
MAJOR ON test environment P r 2
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