Ds1 Tie Trunks Using T1 Channel Service Unit - Avaya S8700 Installing Manual

194 Installing the S8700 Multi-Connect
Installing and Wiring Telephones

DS1 Tie Trunks Using T1 Channel Service Unit

The T1 Channel Service Unit (CSU) interfaces the DS1 tie trunks with the 1.544 Mbps digital
facility.
Connect the DS1 tie trunk to a T1 CSU. See
page
NOTE:
A 3150 CSU is shown, a 120A Integrated CSU (ICSU) may be used.
Contact your Avaya representative for maximum cabling distances for the 31xx series CSU or
the 120A ICSU.
Typical Connections to Channel Service Unit
Figure notes
1
2
3
4
194.
Connector to DS1 Interface Circuit Pack
C6C Cable (For Distances Over 50 Feet
(15.24 m), Use C6E Cable(s))
T1 Channel Service Unit (CSU) 3150
Shown
T (Tip)
''Typical Connections to Channel Service Unit'' on
POWER AUX PORT COM PORT MODEM NETWORK
DTE
5
6
7
8
9
May 2002
0012_1 RBP 062696
R (Ring)
T1 (Tip 1)
R1 (Ring 1)
1.544 Mbps Digital Service
Interface
To T1 Carrier