User's Manual

40
10. BASE INTERFACE DESCRIPTION
10.1 Audio Circuit Board
J1 ATE Connector (not installed)
J1,1 Microphone 1
J1,2 Microphone 2
J1,3 /Vehicle 2 tone force
J1,4 /Vehicle present
J1,5 Vehicle detector power
J1,6 /Vehicle 1 tone
J1,7 Receive Audio B1
J1,8 B Talk
J1,9 Power ground
J1,10 +5 VDC
J1,11 +5 Xcvr
J1,12 +12 VDC
J1,13 A Talk
J1,14 Not used
J1,15 +22 VDC
J1,16 Ceiling speaker output
J1,17 RX audio A1
J1,18 TX/RX audio ground
J1,19 TX audio 1
J1,20 Message audio
J2 Speaker In/Out
J2,1 Ground
J2,2 /A Talk
J2,3 Relay 1 Common
J2,4 Relay 1 Normally Open
J2,5 Relay 1 Normally Closed
J2,6 Ceiling speaker +
J2,7 Ceiling speaker
J2,8 Ground
J5 Switcher Board Interface
J5,1 Microphone 1
J5,2 Microphone 2
J5,3 Ground
J5,4 +12VDC
J5,5 Not used
J5,6 Negative vehicle detect input
J5,7 Vehicle detector power
J5,8 Not used
J5,9 Outside speaker
J5,10 Outside speaker +
J9 Input/Output Connector
J9,1 Early warning
J9,2 Ground
J9,3 Service window
J9,4 Ground
J9,5 Alert input
J10 Vehicle Detector Board
Interface 1 (Primary)
J10,1 Negative vehicle detect signal
J10,2 Vehicle detector power
J10,3 Ground
J10,4 Not used
J10,5 Not used
J11 Transceiver Interface
J11,1 XSCL
J11,2 XSDA
J11,3 +5V Xcvr
J11,4 Power Ground
J11,5 Reset
J11,6 Power Ground
J11,7 SCL
J11,8 /A1 Talk
J11,9 TX Audio 1
J11,10 /B1 Talk
J11,11 Ground
J11,12 Car 1
J11,13 RX Audio A1
J11,14 Ground
J11,15 Ground
J11,16 SDA
J11,17 RX Audio B1 or B1 + B2
J11,18 TX Audio 2
J11,19 /A2 Talk
J11,20 Ground
J11,21 /B2 Talk
J11,22 RX Audio A2
J11,23 Car 2
J11,24 Ground
J11,25 Ground
J11,26 Rx Audio B2 or B1 + B2
J15 Vehicle Detector Board
Interface 2 (Secondary)
J15,1 Negative vehicle detect signal
J15,2 Vehicle detector power
J15,3 Ground
J15,4 Not used
J15,5 Not used