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DEFINITY Enterprise Communications Server Release 6
Installation and Test for Compact Modular Cabinets
555-230-128
Issue 3
May 1998
Install and Cable the Cabinets
Page 1-60Install and Wire Telephones and Other Equipment
1
Digital Tie Trunk Example
Figure 1-29. Digital Tie Trunk Wiring
1. Before installing the DS1 Interface circuit pack, set the option switches
according to Chapter 2, ‘‘
Installation Completion and Cable Pinouts’’.
2. Install cross-connect jumpers to connect the pins from the digital trunk
circuit pack to appropriate pins on the external digital trunk.
3. Administer the DS1 Interface circuit pack on the DS1 and Trunk Group
Screens. See
DEFINITY Enterprise Communications Server Release 6
Administration and Feature Description
.
Figure Notes
1. External trunk
2. DS1 interface circuit pack, position
1C06
3. LO
4. LO (Balanced output pair)
5. LI
6. LI (Balanced input pair)