Clear-Com HX System Frames - Manual (Page 56)

6.11.1 Wiring schemes for the FOR-22 interface module
Figure 20: Pinout of DB-9M I/O connector for FOR-22s
Key to Figure 18: Pinout of DB-9M I/O connector for FOR-22
Connector Description
A
Pin 1 and Pin 6 = Audio output
B
Pin 2 and Pin 7 = Audio input
C
Pin 3 and Pin 8 = Logic input (+ / - 4 to 50V)
D
Pin 4 = Relay normally closed
E
Pin 9 = Relay wiper
F
Pin 5 = Relay normally open
Table 14: Pinout of DB-9M I/O connector for FOR-22
The FOR-22 four-wire/radio interface connects two external four-wire circuits to the matrix.
Camera intercoms, two-way radios, microwave and satellite links, IFBs, and program audio
in and out are candidates for use with the FOR-22.
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
56 Eclipse HX Matrix Frame Installation Guide