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DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Maintenance Object Repair Procedures
Page 10-1498TONE-BD (Tone-Clock Circuit Pack)
10
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 pack in a Port
Network with duplicated Tone-Clocks (High or Critical Reliability systems).
The circuit pack must be a TN780 with firmware version 2 or above 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
1. D = Destructive; ND = Nondestructive
Order of Investigation
Short Test
Sequence
Long
Test
Sequence D/ND
1
SAKI Reset Test (#53) (a) X
Clock Health Inquiry Test (#46) X X
Control Channel Loop Around Test
(#52) (a)
XX
Tone Generator Crosstalk Test (#90) (b) X
Tone Generator Transmission Test
(#40) (b)
XX
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)
XX
TDM Bus Clock PPM Inquiry Test
(#150) (c)
XX
TDM Bus Clock Parameter Update Test
(#151) (c)
XX
Board Type Check Test (#574) (c) X X
Standby Reference Health Check Test
(#651) (c,d)
X