DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126
Issue 4
June 1999
Maintenance Object Repair Procedures
9-986MAINT (EPN Maintenance Circuit Pack)
9
d. The serial link between the Expansion Interface circuit pack in the B
carrier and the EPN Maintenance circuit pack is defective.
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
Sanity Handshake Test,
for example, you may also clear errors generated from
other tests in the testing sequence.
Sanity Handshake Test (#106)
This test checks the EPN Maintenance circuit pack’s ability to respond to
queries. A message is sent to the EPN Maintenance circuit pack which then
sends a message back. If the response message is received, then the EPN
Maintenance circuit pack is queried for the EPN cabinet type (valid EPN cabinet
types are single carrier and multicarrier cabinets). The EPN Maintenance circuit
pack reads pins on the backplane of carrier A that identify the type of cabinet
and report this information. If a valid cabinet type is returned, then the test
passes.
Order of Investigation
Short Test
Sequence
Long Test
Sequence D/ND
1
1. D = Destructive, ND = Non-destructive
Sanity Handshake Test (#106) X X ND
EPN Maintenance Circuit Pack Reset Test (#306) X D
Serial Channel Local Looparound Test (#229) X X ND
MGR I Channel Local Looparound Test (#228) X D
EPN Maintenance Circuit Pack Sanity Maze Test (#303) X X ND
EPN Maintenance Circuit Pack Serial Link Test (#337) X X ND
Table 9-378. TEST #106 Sanity Handshake Test
Error
Code
Te s t
Result Description/ Recommendation
ABORT Internal system error.
1000 ABORT System resources required for this test are not available.
2000 ABORT Response to cabinet query was not received in the allowable time period.
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