Adding An External; External Pager Installation Procedure - Comdial DX-80 Technical Manual

Installing the DX-80
2.14 Adding an External Pager
One port is provided at the CPM of the DX-80 system for use with external paging system apparatus.
When DX-80 users dial the external pager code ("777" at default) or dial the Tenant Group All Page
code ("400" at default), voice announcements can be made over the external paging equipment.
The DX-80 External Page port does not provide any amplification. Interface at the amplifier should be
matched to approximately 600 ohms for the best performance.

2.14.1 EXTERNAL PAGER INSTALLATION PROCEDURE

1. Remove the KSU cover (four screws at each corner) of KSU1.
2. Connect a static discharge wrist strap to a suitable earth ground. Be sure that the strap is touch-
ing bare skin.
Circuit boards are susceptible to damage caused by electrostatic
discharge. You must keep this in mind as you handle the circuit
boards. Refer to Comdial publication IMI01-005, Handling of Electrostatically
3. Locate the CPM and "PAGE" connector jack on the CPM.
4. Using an eighth-inch mini plug, connect the DX-80 Page port to the external amplifier input.
5. Adjust the voice volume level at the external paging amplifier. When adjusting the volume
level, dial access to the External Pager port at any DX-80 telephone ("777"). Then adjust the
volume control associated to the amplifier input selected for this purpose.
62
CPM
External "PAGE"
connector (goes to
external amplifier)
WARNING
Sensitive Components , for details.
Comdial October, '03