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3.7
Remote Microphone Connections
Up to six optional QX-mini-RM Remote Microphones can be connected to each QX-mini. The
remote microphones communicate with the QX-mini through an RS-485 network bus. Power
for the remote microphones comes from the 24VDC terminal on the QX-mini main board.
i
Note:
The terminals and jumper on the QX-mini-RM board are shown in Figure 28 and are described
in Table 9.
+
Black
Red
TS6
Shield
Green
White
Figure 28 QX-mini-RM terminals and jumper locations
Table 9
Terminal/Jumper
SW2
TS1
TS2
TS3
TS4
TS5
TS6
RM not for use in Canada.
TS5
TS4
TS3
OUT IN OUT
IN
s -
+
s -
+
-
+
24VDC
AUDIO
QX-mini-RM terminals and jumper
Description
Rotary switch for setting the RS-485 address on the QX-mini-RM.
RS-485 In terminal.
RS-485 Out terminal.
24 VDC In and Out terminal.
Audio In terminal from QX-mini or previous QX-mini-RM on the line.
Audio Out terminal to the next QX-mini-RM on the line.
Terminal for PTT microphone cable.
TS1
TS2
IN
OUT
+
s
-
-
+
s -
RS-485
Installation
SW2
P1
P2
57
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