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ACU Connector Pinout Guide
The ACU connector pins and their corresponding descriptions are shown in the figure and table.
Console Connector (Modem Interface)
Antenna Control Unit (ACU):
5
4
3
2
9
8
7
6
D-Sub 9 Pin: MODEM CONSOLE
(Female Connector Type)
Pin
Signal
1
GND
2
GPS_OUTA
3
MODEM_LOCK
4
MUTE 0
5
NC
6
GPS_OUTB
7
EXM_AGC
8
MUTE 1
9
NC
RS232/RS422 Connector (Modem Interface)
Antenna Control Unit (ACU):
1
2
3
4
6
7
8
9
D-Sub 9 Pin: MODEM RS232/422
(Male Connector Type)
Pin
Signal
1
NC
2
Modem TX / MAX422 RX+
3
Modem RX / MAX422 TX+
4
NC
5
GND
6
NC
7
MAX422 RX-
8
MAX422 TX-
9
NC
1
5
4
3
2
1
9
8
7
6
5
Cable Connector
:
1
2
3
4
5
1
2
3
6
7
8
9
6
7
8
D-Sub 9 Pin
(Male Connector Type)
Cable Connector
:
5
4
3
9
8
7
D-Sub 9 Pin
(Female Connector Type)
35
Installing ACU
4
5
9
2
1
6
1
2
3
4
6
7
8
9
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