Videotec SM328B - Manual (Page 13)

2.2.3.10 Connecting cable between matrix and Santec dome on Aux line
Matrix TX RJjack1 Santec Dome
RS485A white TX+
RS485B yellow TX-
2.2.4 Personal computer and serial printer cable
Connect the personal computer or serial printer using a standard complete male/female 9-pin serial cable
(serial extension).
2.2.5 BNC for the VCR Trigger and Alarm Reset
The VCR trigger is described in section 4.1.1 Trigger signal, page 25.
The Alarm Reset trigger is described in section 3.4.14.3 External Alarm Reset Trigger, page 22.
2.2.6 Relay and alarm connectors
Pin DB25 A DB25 B CATEGORY Pin DB25 A DB25 B CATEGORY
1 Alarm 1 Alarm 17 14 Alarm 14 Alarm 30
2 Alarm 2 Alarm 18 15 Alarm 15 Alarm 31 ALARMS
3 Alarm 3 Alarm 19 16 Alarm 16 Alarm 32
4 Alarm 4 Alarm 20 17 Common al. Common al.
5 Alarm 5 Alarm 21 18 Relay 1A Relay 5A
6 Alarm 6 Alarm 22 ALARMS 19 Relay 1B Relay 5B
7 Alarm 7 Alarm 23 20 Relay 2A Relay 6A
8 Alarm 8 Alarm 24 21 Relay 2B Relay 6B RELAYS
9 Alarm 9 Alarm 25 22 Relay 3A Relay 7A
10 Alarm 10 Alarm 26 23 Relay 3B Relay 7B
11 Alarm 11 Alarm 27 24 Relay 4A Relay 8A
12 Alarm 12 Alarm 28 25 Relay 4B Relay 8B
13 Alarm 13 Alarm 29
2.2.6.1 Electrical specifications of the alarms
Warning! Do not power the alarm contacts! The sensors (or the alarm control centre) must
supply a dry contact.
2.2.6.2 Electrical specifications for the relays
Switching power: 10W max
Switching voltage: 50 VAC/DC max.
Switching current: 0.5A max
• 2. System installation Page 11/65 MNVCSM328A_0438