Avaya S8700 Maintenance Manual page 2392

Maintenance-Object Repair Procedures
Table 8-647. LED Condition/Tone-Clock Circuit States — Continued
Condition
"jingle bells"
green and yellow
0.1 sec on, 0.2 sec off,
0.1 sec on, 0.4 sec off,
0.4 sec on, 0.4 sec off
"double blink"
yellow
0.3 sec on, 0.3 sec off,
0.3 sec on, 2.4 sec off,
other green and yellow
patterns
random yellow
1. For a Tone-Clock in the master PN, the external source is a primary or secondary DS1 source, or a Stratum-3
clock. For a Tone-Clock in a slave PN, the external source is the Expansion Interface circuit pack.
8-1670 Issue 1 May 2002
Tone-Clock
Circuit State Explanation
standby Maintenance software is testing the standby circuit pack (the
standby Tone-Clock is providing tones).
active TN2312 or TN2182 has lost all external references and is in
holdover mode.
active Maintenance software is testing the active circuit pack.
standby If the circuit pack is a TN2182, the amber LED may come on
and off intermittently as ETR-PTs on the board are used for
tone-detection services.
Continued on the next page
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