Line Input Connector Wiring For 1-Channel Operation With Non-Rts Power Supply; Bottom View Of The Main Circuit Board; Line Loop Connector Wiring For 2-Channel Operation With Non-Rts Power Supply; Line Input Connector Wiring For 2-Channel Operation With Non-Rts Power Supply - RTS BP-325 User Manual

CONNECTIONS AND OPERATION
Pin 3, Ch 2 +Audio
Pin 2, +18 TO +24 VDC
TO BP325
LINE INPUT
Pin 1, Common
LINE INPUT Connector Wiring for 1-Channel
FIGURE 1.
Operation with Non-RTS Power Supply
CUT
TRACE

Bottom View of the Main Circuit Board

FIGURE 2.
Pin 3
Pin 2
Pin 1
LINE LOOP Connector Wiring for 2-Channel
FIGURE 3.
Operation with Non-RTS Power Supply.
Pin 3, Ch 2 +Audio
Pin 2, Ch 1 +Audio
TO BP325
LINE INPUT
Pin 1, Common

LINE INPUT Connector Wiring for 2-Channel Operation with Non-RTS Power Supply

FIGURE 4.
6
200 Ohms
TO INTERCOM
CHANNELS AND
POWER SUPPLY
+
10mF / 50V
No Connection
+18 to +24 VDC
Common
200 Ohms 200 Ohms
+ +
10mF / 50V 10mF / 50V
OPTIONAL CONNECTOR
TO ADDITIONAL
INTERCOM STATION
LINE INPUT
TO INTERCOM
CHANNELS