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Installation
Issue 1 June 1998 3-3
Wiring Requirements
Use twisted-pair cable for all connections.
NOTE:
Before attaching your DEFINITY Extender 1100 System to the
DEFINITY ECS, do the following:
Administer the telephone that will be used at the remote
location.
Connect an identical model telephone to the DEFINITY ECS
port that will be used for connecting to the Switch Module.
Test that the telephones work as intended.
Connecting the Switch Module
All connections to the Switch Module are done via the back panel
(see Figure 3-1). The current back panel elements are:
■
Telco Line is the connection between the Switch Module and
the DEFINITY ECS analog circuit pack or the central office line
for transmission of the signaling information. The circuit packs
to which the Switch Module can be connected are the 8-port
TN742 and the 16-port TN746.
■
Phone/Switch is the connection between the DEFINITY ECS
2-wire, 24-port circuit pack (TN2224) or the other 16-port,
(TN2181) and the Switch Module.