Master/sub system – Aiphone TA-1F User Manual
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MASTER/SUB SYSTEM
Any combination of TA—F series phones can be intermixed to develop a master-sub system to meet your
requirements. The example below shows 6 TA—IF stations connected to 1 TA—6F.
All stations have paging ability. Refer to paging diagram for proper connection to paging system.
FIELD INSTALLATION OF NOISE CANCELLING HANDSET MODEL NCH-1
For extremely noisy areas, Aiphone has developed a special handset which allows excellent communication
from a phone in a noisy area to other phones in the communication system. Designed to work
with Aiphone Model TA-F, this handset contains an amplifier for communication and noise cancelling
mouthpiece.
TO INSTALL
(a)
(b)
( c )
(d)
(e)
(f)
Remove two screws on bottom of phone as shown, using a Phillips screw driver, (fig. 1)
Carefully lift the plastic case from the base.
Lift hook anchoring coil cord to metal base. (fig. 2)
Carefully remove red, white and black wires from printed circuit board using soldering iron.
Remove old handset, and retain for spare parts.
Attach red, white and black wires from noise cancelling handset coil cord with soldering iron as shown.
Be sure your wires are in the correct order, (fig. 3)
Bend hook back, (Note (c)), replace plastic case (Note (b)), and screws (Note (a)).