TECHNISONIC INDUSTRIES LIMITED
TDAM-1000 Installation and Operating Instructions
TiL 15RE532 rev. C
6
2.5
INSTALLATION - WIRING INSTRUCTIONS
For most installations, only the power connection and the antenna connection are required.
However an installation of two TDAM-1000 transceivers can take advantage of the ‘Cross Mute’
feature available on the 15 pin D connector. The Cross Mute function will mute the other receiver
whenever one of the radios is transmitting.
2.5.1 J1 PINS 1 AND 2 – MAIN POWER INPUT
Use supplied power cable to connect to vehicle accessory power source.
2.5.2 P1 PINS 1 AND 2 – SPEAKER OUTPUT
7 watt speaker output at 8 ohm impedance. The speaker output includes receive audio only. The
Level is set by the volume control.
2.5.3 P1 PIN 3 – MONITOR AUDIO
Line level audio output receive and sidetone (mic) audio combined. Not affected by the volume
control.
2.5.4 J1 PIN 4 – HEADSET AUDIO
0.5 watt 600 ohm audio output. Includes receive and sidetone (mic) audio. The level is set by
the volume control.
2.5.5 P1 PIN 5 – CROSS MUTE OUTPUT
10 volt output during transmit and 0 volts during receive.
2.5.6 P1 PIN 6 – MIC AUDIO INPUT
Microphone audio input. Mic DC bias voltage is supplied.
2.5.7 P1 PIN 7 – PTT INPUT
Push to talk input. Radio will transmit when this line is brought to ground.
2.5.8 P1 PINS 8 AND 15 – GROUND
Ground. Connected to signal and chassis ground.
2.5.9 P1 PINS 9 AND 10 – CAN BUS INTERFACE
Do not connect.
2.5.10 P1 PIN 11 – SQUELCH OUTPUT
Squelch signal output. Open collector output which goes to ground when squelch is open.
2.5.11 P1 PINS 12 AND 13 – TX AND RX DATA
Serial RS-232 interface for base station applications. Do not connect.
2.5.12 P1 PIN 14 – CROSS MUTE INPUT
Receive audio will be muted on the speaker, headset and monitor outputs when this input is at 10
volts.
