3-90
Headset Installation
The Electronic/Digital Key Telephones have been designed to operate
with industry standard electronic mic compatible modular headset
adapters and operator headsets.
To modify an Electronic/Digital Key Telephone to support an external
headset:
1. Plug the headset adapter cord into the vacant handset jack on the
2. Plug the telephone handset cord into the headset adapter box where
The Headset Operation must be enabled (refer to Station Programming).
The station then has the capability to enable or disable headset mode by
dialing a code. When Headset mode is active at the station, the ON/OFF
button then controls the on-hook or off-hook status. Also, features such
as On-Hook Dialing and Handsfree Speakerphone operation become
inoperable.
Caller ID Interface Unit Installation
The Caller Identification Interface Unit receives the data from the
telephone company and sends the data, in ASCII RS-232C format to a
printer, telephone, computer or DTE (Data Terminal Equipment) device.
Selecting the Cable
1. Select the RS-232 cable (P/N 9081-10) for the
2. Connect one end of the cable on the desired KSU I/O port (1, 3, or 4).
3. Connect the other end to the OUT port on the Caller ID unit.
Key Telephone base.
indicated by the headset manufacturer's instructions.
Headset Installation
Triad 3
MPB or SIU.