135
Install the Stratum 3 clock
October 2002
Install the Stratum 3 Clock Wiring
1 Connect the B25A cables from the TN780 connector panel slot on the S8700
Multi-Connect configuration cabinet and the Stratum 3 Clock to the cross-connect
module in the yellow field.
2 Connect the CSU plug end of the H-600-274 (Y) cable to the primary CSU. Route an
H600-307 cable from the DS1 connector panel slot on the S8700 Multi-Connect
configuration cabinet to the connector on the “S8700 Multi-Connect configuration” end
of the “Y” cable.
3 Route a B25A cable from the “CLOCK” end of the “Y” cable to the cross-connect
module in the yellow field.
4 Repeat steps 2 and 3 for the secondary CSU. The maximum allowable cabling distance
between the Stratum 3 clock and the CSU is shown in ‘‘Maximum Cabling Distance’’ on
page 135.
5 For standard reliability configurations, refer to ‘‘Cross-Connects for Standard
Reliability’’ on page 136 to cross-connect the TN780 and “CLOCK” end connections to
the Stratum 3 Clock connections on the cross-connect module.
6 For high or critical reliability configurations, refer to ‘‘Cross-Connects for High or
Critical Reliability’’ on page 137 to cross-connect the TN780 and “CLOCK” end
connections to the Stratum 3 Clock connections on the cross-connect module.
7 The common cross-connection from the TN780 in A and B carriers to the Stratum 3
Clock should be done by bridging the jumper wires.
8 Dress the cables down sides of the cabinet and run through the Cable Slack Manager, if
provided.
9 Administer per the Administrator's Guide for Avaya MultiVantage™ Software.
Maximum Cabling Distance
Channel Service
Unit (CSU)
Maximum Cabling
Distance
551A 85 Feet (26 m)
551V 85 Feet (26 m)
551V EFS/R 655 Feet (199.6 m)
EFS T1 655 Feet (199.6 m)
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