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Install and Wire Telephones and Trunks
Issue 10 June 2005 89
To wire an analog tie trunk:
1. Before installing the Tie Trunk circuit pack, set the option switches as described in Chapter
2: Completing Installation and Cable Pinouts.
2. Install cross-connect jumpers to connect the pins from the Tie Trunk circuit pack to the
appropriate leads on the external tie trunk. Names of the tie trunk leads must be determined
from the manufacturer or supplier of the external trunk circuit. The example in Figure 34
shows a DEFINITY System tie trunk connected to a DEFINITY System tie trunk.
3. Administer on the Trunk Group Screen. See Administrator’s Guide for Avaya
Communication Manager.
Digital Tie Trunk Example
Figure 35: Digital Tie Trunk Wiring
To wire a digital tie trunk:
1. Before installing the DS1 Interface circuit pack, set the option switches according to Chapter
2: Completing Installation 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
Administrator’s Guide for Avaya Communication Manager.
Figure notes:
1. External trunk
2. DS1 interface circuit pack, position 1C06
3. LO
4. LO (Balanced output pair)
5. L
I
6. LI (Balanced input pair)