4.5.1
10-Pin RJ50 Connector for Control Head
Single Remote Expansion Head (SREH):
You can use the 10-pin RJ50 Ethernet connector to connect a remote mount control head, option of an
IP54 Remote Ethernet Control Head, IP67 Remote Ethernet Control Head, or Telephone Style Control Head
(TSCH).
CAUTION: Do not connect any other accessories such as a microphone. This action can result in
hardware failure or malfunction.
Dual Remote Expansion Head (DREH):
You can use two 10-pin RJ50 connectors for port-1 and port-2 of the DREH in the same way as described in
Single Remote Expansion Head (SREH).
Databox Expansion Head (DEH):
You can use the 10-pin RJ50 connector of the DEH in the same way as described in Single Remote
Expansion Head (SREH).
Table 76: 10–Pin RJ50 Ethernet Connector Pins
PIN Function Description
1 FLT_A+ (12 V) This is the voltage supply for SREH, DREH, and DEH from a power
supply or battery
2 TX+ Ethernet Ethernet transmit positive line, TX+
3 TX- Ethernet Ethernet transmit negative line, TX–
4 RX+ Ethernet Ethernet receive positive line, RX+
5 GND Main board GND
6 GND Main board GND
7 RX- Ethernet Ethernet receive negative line, RX–
8 CH_ON_OFF_OUT1_5
V
ON/OFF control line Transceiver to Control Head
9 CH_ON_OFF_IN1_5V ON/OFF control line from Control Head to Transceiver
10 FLT_A+ (12 V) This is the voltage supply for SREH, DREH, and DEH from a power
supply or battery
4.5.2
25-Pin SubD Connector
Databox Expansion Head:
Turn your radio on or off using the Ignition Sense Cable PMKN4120_. Connect the PMKN4120_ cable to Pin
10 on the rear side Accessory Connector.
MN009998A01-AA
Chapter 4: Connectors and PIN Assignment
103
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