EXTERNAL SPEAKER/RINGER AMPLIFIER (BESCB1A)
Telephone to External Speaker Connection
IPT Installation Manual Feb,, 2015
1-27
Figure 1-11 BESCB1A Circuit Card Terminals
1
2
3
5
6
7
8
9
10
11
4
To IOU (In Talkback)
To DKT/IPT
To IOU (No Talkback)
To MDFB
8 - 16 ohm
To External Speaker
2K - 10K ohm
DKT/IPT
IOU
(See Note)
Some BESCB1A units were shipped with silk screen marks showing the DKT/IPT
connections on terminals 3, 5, and 7, instead of 3, 4, and 5 as shown above. If you have
one of these units connect to the HESC1A-65 cable as shown on the unit; 3 (+), 5 (L2),
and 7 (-).
Note:
Refer to Figure 1-13 for
Wiring connections.
Содержание IDM5060
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