Videoswitch VM - Manual (Page 20)

VM-Series Multiplexer User Manual 20/02/2002 12:00
Videoswitch
20 VM601h.doc
6. Specifications
6.1 Frame Stores
6.1.1 Multiplexing Update Rate (PAL)
Real time (50 fields per second) to 960 Hour Time-Lapse mode.
6.1.2 Resolution (PAL)
720 Pixels x 546 Lines x 16Million Colours (or 256 Grey levels)
6.2 Inputs/Outputs
6.2.1 Video
1V pk-pk 75Ohms or Hi-Z
6.2.2 VCR Sync
3-12V pulse or Open Collector
6.2.3 Dome
RS485 or RS422
6.2.4 Twisted Pair Telemetry
RS232, RS485, RS422 or 20mA Current Loop
6.2.5 Co-Ax Telemetry
Videoswitch 500kHz FSK telemetry, in vertical blanking period
6.2.6 Remote Control
RS232, RS485, RS422
6.2.7 Alarm Inputs
Normally Open/Normally Closed volt-free contacts
6.2.8 Alarm Relay Contacts
Change-Over contacts rated at 24Vdc, 500mA max
6.3 Connector Pin-Outs
6.3.1 Alarm Connector
This connector is used for alarm inputs (PIR detectors etc) and also for the output relay contacts. These are
typically used to switch the time-lapse mode of a VCR under alarm conditions.
Mating Connector Required: Male 25-way D-Type
Pin Function
1 Ground
2 Alarm 15
3 Alarm 17
4 Alarm 19
5 Alarm 9
6 Alarm 11
7 Alarm 13
8 Alarm 1
9 Alarm 3
10 Alarm 5
11 Alarm 7
12 Relay N/O
13 Relay N/C
14 VCR Sync
15 Alarm 16
16 Alarm 18