DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126 Issue 4
June 1999
Maintenance Object Repair Procedures

9-433CO-TRK (Analog CO Trunk)

9
System Technician-Demanded T ests: Descripti ons
and Error Codes
Always investigate tests in the order they are p resented in the table below when inspecting errors in the sy stem. By clearing error cod es associated with the
NPE
Crosstalk Test,
for example, you may also clear errors gene rated from other tests in the testing sequenc e.
3329 57408 Trunk error. No Tip ground detected on outgoing call. This error occurs
when an attempt is made to seize a ground-start CO trunk for an outgoing
call and Tip ground is not detected or the caller hangs up before Tip ground
is detected.
1. Busyout the affected port, and run a long test. Observe the test results.
If any tests fail, refer to the description of the tests and the associated
error codes. Release the port.
2. If users continue to report troubles, check for other errors and make test
calls to determine whether the problem should be referred to the CO.
Busyout the affected port, and run a long test. If Dial Tone Test #0
passes, ignore this error. Release the port.
3585 57424 No loop current on outgoing call. This error occurs on attempt to seize a
loop or ground-start trunk for an outgoing call. An error occ urs if loop
current is not detected or the caller hangs up before it is d e tec ted. Busyout
the affected port, and run a long test. If CO Demand Diagnostic Test #3
passes and this error kee ps occurring, r efer problems to CO. Release the
port.
Order of Investigation Short Test
Sequence Long Test
Sequence D/ND1
1. D = Destructive; ND = Nondestruc tive
NPE Crosstalk Test (#6) X ND
Dial Tone Test (#0) X ND
CO Demand Diagnostic Test (#3) (a) X X ND
Looparound and Conference Test (#33) X ND
Audit Update Test (#36) X X ND
Transmission Test - ATMS (#844-848) (b) (b) ND
Table 9-180. CO Trunk Errors with No Tests — Continued
Error
Type Aux
Data Error Description and Repair Action
Continued on next page