Maintenance-Object Repair Procedures
555-233-143
8-1564 Issue 1 May 2002
System Technician-Demanded Tests:
Descriptions and Error Codes
When inspecting errors in the system, always investigate tests in the order listed
below. For example, by clearing error codes associated with the BRI Local LAN
Port Loop Around test (#618), you may also clear errors generated from other
tests in the testing sequence.
Clear Error Counters Test (#270)
This test is nondestructive.
This test clears the various error counters associated with each TBRI-PT. This
test passes if maintenance software is able to successfully send the downlink
messages; the test aborts otherwise.
Order of Investigation
Short Test
Sequence
Long Test
Sequence D/ND
1
1. D = Destructive; ND = Nondestructive
BRI Local LAN Port Loop Around test (#618) X D
BRI TDM Port Loop Around test (#619) X D
L1 State Query test (#1242) X X D
CRC Error Counter test (#623) X ND
Receive FIFO Overflow test (#625) X ND
Layer 3 Query test (#1243) X ND
Slip Query test (#1244) X X ND
Clear Error Counters test (#270) X X ND
NPE Crosstalk test (#617) X D
Table 8-606. Test #270 Clear Error Counters
Error
Code
Tes t
Result Description / Recommendation
Any ABORT Maintenance could not send the downlink message.
PASS The message to clear the error counters of the TBRI-PT MO has been sent.
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