Manual

AVALON RF, INC. Page 9
TX500 Series User’s Guide & Operating Manual
2.4 Interconnecting.
All interfaces to/from the transmitter are available on the connector.
2.4.1 Security Type - DB15P connector with the following pin-out:
Figure B – DB15
Pin # Function Pin # Function
1 Power Input (+9Vdc to +16Vdc) 9 Signal Ground
2 Video Input 10 Telemetry 1 Input
3 Video Return Ground 11 Alarm/Motion Sensor Input
4 Audio 1 Input 12 RS-485 I/O ‘A’
5 Microphone Input 13 RS-485 I/O ‘B’
6 Microphone Bias 14 Telemetry 2 Input
7 Earpiece Output 15 Telemetry 3 Input
8 Power Return Ground
NOTE: This connector option allows for one audio input only, Audio 1 at 6.5
MHz (default factory set).