Videotec SM164B - Manual (Page 50)

Page 10 MNVCSM84A_0408
3.5 Connecto rs and connections
3.5.1 Connectors on the back of the matrix
The back of the SM84A / SM164A matrix has:
x 1 x 25 pin connector for connecting alarm contacts, relay contacts, VCR trigger and external alarm reset
x 4 x RJ-11 connectors for connecting the keyboards
x 1 x RJ-11 connector for connecting the telemetry receivers or multiplexers
x 1 jack connector for the power supply
x 1 x 9 pin connector for PC connection
x 4 BNC output video connectors,
x 8/16 BNC input video connectors
SM164A matrix rear view:
3.5.2 DB25 pin c onfiguration
Pin Connection Use
1 Alarm input 1 Alarms
2 Alarm input 2 Alarms
3 Alarm input 3 Alarms
4 Alarm input 4 Alarms
5 Alarm input 5 Alarms
6 Alarm input 6 Alarms
7 Alarm input 7 Alarms
8 Alarm input 8 Alarms
9 Alarm input 9 Alarms
10 Alarm input 10 Alarms
11 Alarm input 11 Alarms
12 Alarm input 12 Alarms
13 Alarm input 13 Alarms
14 Alarm input 14 Alarms
15 Alarm input 15 Alarms
16 Alarm input 16 Alarms
17 Alarm reset Alarm reset
18 GND Alarm reset
19 Trigger VCR VCR
20 GND VCR
21 Normally Opened Relays Peripherals
22 Common Relays Peripherals
23 Common alarms Alarms
24 Common alarms Alarms
25 Common alarms Alarms
Alarms from 9 to 16 are only available on the SM164A model matrix.
PC
Power supply
Alarms
Aux
Line
Keyboards
Video outputs Video Inputs