EXTERNAL SPEAKER/RINGER AMPLIFIER (BESCB1A) Telephone to External Speaker Connection
1-26 IPT Installation Manual Feb,, 2015
Figure 1-10 BESCB1A Circuit Board
Telephone to External
Speaker Connection
The HESC1A-65 cable is used to connect the BESCB1A to the
telephone. This cable is used to connect the telephone to the BESCB1A
as a Telephone External Ringer. The cable is not included in the
BESCB1A, it must be ordered separately.
Volume Control
DC Power In
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