ACCESS/A – A740 INSTALLATION MANUAL
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A740 Interconnect Patch Bay
Radio (Transceiver) Connectors J1001 through J1007 DE9P
Mating Cable Connector: DE9S (9 Pin Female)
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J1001
J1007
Connector Pin Assignments
Transceiver Connector
Low
High
Connection
Notes
6 1 RX
Audio
Always use both lines.
2
RX Ground Jumper
Connect 2 & 3 to ground RX Low Line.
3
RX Ground Jumper
Local Ground
4
TX
PTT
Radio Key Line
9 5 TX
Audio
Radio Mic Line, always use both lines.
7
RX Shield
Connected to local ground
8
TX Shield
Connected to local ground
Interconnect Patch Bay Plug Assignments:
J1001
COM1
J1002
COM2
J1003
COM3
J1004
COM4
J1005
COM5
J1006
COM6
J1007
COM7 or PA System
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