User's Manual

TECHNISONIC INDUSTRIES LIMITED
www.til.ca
TDFM-136A Installation Instructions Page 2-2
TiL 09RE404 Rev C Issue 1
Table 2-1 provides the description of the pin connections for the transceiver.
TABLE 2-1 TDFM-136A - Rear Connector Pin Assignments
Pin # Description Notes
1 Audio - Headset Output – 600 Ohms
2 Serial Data Out Output – RS232
3 Power - Panel Lighting 28 VDC Standard, 5VDC Optional
4 Signal - Memory Up Input – active low
5 Signal - Memory Down Input – active low
6 Audio - Microphone Input
7,14 Power - Main +28VDC Power
8,15 Power - Main Ground Power
9 Audio - Speaker 4-Ohm Speaker Output
10 Signal Ground 4-Ohm / 600-Ohm Output Ground
11 Serial Data In Input – RS232
13 Signal – PTT Input – active low