DEFINITY Enterprise Communications Server Release 6
Maintenance for R6vs/si
555-230-127 Issue 1
August 1997
Maintenance Object Repair Procedures
Page10-1409TONE-BD (Tone-Clock Circuit Pack)
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For a system with a TN768, TN780 or TN2182 Tone-Clock Circuit Pack

:
Notes:
a. Refer to XXX-BD for descriptions of these tests.
b. Refer to TONE-PT for descriptions of these tests.
c. Refer to TDM-CLK for descriptions of these tests.
d. This test runs only on the standby Tone-Clock circuit p ack in a Port
Network with duplicated Tone -Clocks (High or Critical Reliab ility systems).
The circuit pack must be a TN780 with firmware version 2 or ab ove or a
TN2182.
Clock Health Inquiry Test (#46)
This inquiry reads special data stored in memory to determine if this Tone-Clock
circuit pack had a loss of any of three clock types:
■SYSCLK
■SYSFM
■SYSDCLK
If this data indicates this Tone-Clock circuit pack had a loss of any of these
clocks, the inquiry reports FAIL. In addition, if TDM-CLK error 1 is a t threshold,
this test will FAIL. TDM-CLK error 1 indicates a suspect clock is at the edge o f its
1. D = Destructive; ND = Nondestructive
Order of Investigation Short Test
Sequence Long Test
Sequence D/ND1
SAKI Reset Test (#53) (a) X
Clock Health Inquiry Test (#46) X X
Control Channel Loop Around Test (#52) (a) X X
Tone Generator Crosstalk Test (#90) (b) X
Tone Generator Transmission Test (#40) (b) X X
Tone Generator Audit/Update (#41) (b) X X
TDM Bus Clock Circuit Status Inquiry Test (#148)
(c) XX
TDM Bus Clock Slip Inquiry (#149) (c) (e) X X
TDM Bus Clock PPM Inquiry Test (#150) (c) X X
TDM Bus Clock Parameter Update Test (#151) (c) X X
Board Type Check Test (#574) (c) X X
Standby Reference Health Check Test (#651) (c,d) X