RING-GEN (Analog Ring Generator)
Issue 4 May 2002
10-1467555-233-123
FAIL
(cont’d.)
PROCEDURE FOR A SINGLE-CARRIER CABINET SYSTEM.
This failure indicates that there is no ringing voltage in the
carrier where the active tone/clock circuit pack resides. Other
carriers may or may not have ringing voltage.
1. If this is a Duplicated Option system, then determine the
active Tone-Clock circuit pack by issuing a status
port-network command. Make the Standby Tone-Clock
circuit pack active via the set tone-clock PC command
and rerun the test.
a. If the test passes, then the trouble is with the “new”
Standby Tone-Clock circuit pack. Refer to TONE-BD
(Tone-Clock Circuit Pack) Maintenance documentation
for details on replacing the Standby Tone-Clock circuit
pack. After the circuit pack is replaced, make this
Tone-Clock active again by issuing the set tone-clock
PC command and rerun the test.
b. If the test fails, then proceed with Step 2.
2. Unseat all analog circuit packs in the cabinet that contains
the Active Tone/Clock circuit pack and rerun the test.
3. If the test passes, then the Analog Ring Generator is
healthy and one of the analog circuit packs is defective.
Replace the analog circuit packs one at a time, and rerun
the test to determine which circuit pack is causing the
problem. When the defective analog circuit pack is found,
replace it. Rerun the test. If the test still fails, go to Step 4.
4. Replace the WP-91153 power unit for the affected carrier,
and rerun the test. If the test still fails, go to Step 5.
5. The active tone/clock may be faulty and incorrectly
reporting the level of the ringing voltage. Replace the
active tone/clock and rerun the test. Refer to TONE-BD
Maintenance documentation for details on replacing the
active tone/clock circuit pack. Rerun the test. If the test still
fails, escalate the problem.
PASS FOR A MULTI-CARRIER CABINET SYSTEM.
The analog ringing voltage level is acceptable.
FOR A SINGLE-CARRIER CABINET SYSTEM.
For a single-carrier cabinet stack, ringing voltage is acceptable
in the cabinet containing the active tone/clock circuit pack.
Table 10-555. TEST #118 Analog Ring Generator Query Test — Continued
Error
Code
Te s t
Result Description/Recommendation
Continued on next page
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