Lucent Technologies R5SI Figure 10-85. Stratum 3 Clock Hardware Configuration

DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Maintenance Object Repair Procedures
Page10-1295STRAT-3 (Stratum 3 Clock)]
10
connected directly to the Stratum 3 clock for timing purposes, but the DS1 data
may be routed into the switch by using a Y connect or.
Figure 10-85. Stratum 3 Clock Hardware Configuration
DEFINITY
TOC
APAI
ST3
A
ST3
B
CI
A
CI
B
DS1
Ref A
-48V
TN767
or
TN722
TN780
Timing output
Alarms
TN780
TN767
or
TN722
TOC
B
Timing output
DS1
Ref B
-48V