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DEFINITY Enterprise Communications Server Release 6
Installation and Test for Multi-Carrier Cabinets
555-230-112
Issue 5
May 1998
Install and Wire Telephones and Other Equipment
Page 5-7Digital Tie Trunk Example
5
Digital Tie Trunk Example
This example shows how to connect digital tie trunk wiring from one DEFINITY
System to another DEFINITY System. See Figure 5-6
.
Figure 5-6. Digital Tie Trunk Wiring
1. Install cross-connect jumpers to connect the named pins from the digital
trunk circuit pack to appropriate pins on the manufacturer’s or supplier’s
external digital trunk.
2. Set option switches on the port circuit pack (TN464F Digital Trunk)
according to Appendix B, ‘‘
Option Switch Settings’’.
3. Administer on the DS1 and Trunk Group screens of the management
terminal. See
DEFINITY Enterprise Communications Server Release 6
Administration and Feature Description
for more details.
Figure Notes
1. External Trunk
2. TN464F Digital Trunk Circuit Pack
(Position 1C06)
3. LO
4. LO (Balanced Output Pair)
5. LI
6. LI (Balanced Input Pair)