RM125/RM125R Rear Panels
Figure 5 shows the rear panel of the RM125 and RM125R. The functions of the various items are
explained in Table 2.
ON
REMOTE CONTROL
ACC-J1
ACC-J2
ACC-J4
ACC-J3
AMP-CONT
13.8V
+
-
AC
BAT
RF OUT
TX IN
RX IN
PPS-CONT TX OUT RX OUT
OFF
110/220V
13
12
11
10
9
6
5
3
2
1
4
7
8
Figure 5. RM125/RM125R Rear Panel
Table 2. RM125/RM125R Rear Panel Items
Item Description
Function
1
Grounding Screw
Connection of ground to the RM125/RM125R
2
RF OUT Connector
UHF connector for connection of feed cable to antenna. Serves as the radio
set RF input in the receive mode, and as the RF output in the transmit mode
3
AMP-CONT Connector 15-pin D-type male connector, for connection of control signals to the 1 kW
power amplifier, RM1200
4
DC Connection Strip
Connection to external 13.8 V rechargeable lead-gel or lead-acid battery, or
input for 13.8 VDC from external power source (via series protection diode
and fuse)
5
AC Power Cable
Connection to 110/220 VAC power source
6
RX OUT Connector
BNC RF output connector, for connection of unfiltered RF receive signal to
the optional Pre/Post-Selector (PPS)
7
TX OUT Connector
BNC RF output connector, for connection of unfiltered RF transmit signal to
the optional Pre/Post-Selector (PPS)
9
PPS-CONT Connector 9-pin D-type female connector, for connection of control signals to the
optional Pre/Post-Selector (PPS)
11 ACC-J1 to ACC-J4
Connectors
Four 25-pin D-type male connectors, for connection to external options, for
example, voice privacy devices, modems, vocoders, etc.
Connector ACC-J2 is used for connection to the parallel I/O interface of the
optional Pre/Post-Selector (PPS)
10
6888882V02
