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HARD ALARM OUTPUT
The Alarm Output provides one open collector transistor alarm output to trigger alarming devices. Upon an Exception,
a VSSI-Pro can be programmed to trigger a VCR to go to its fastest record time, have a Quad go full screen, home a
switcher, trigger a preprogrammed PTZ, or provide visual or audible alarms.
Following are some basic circuit designs to take advantage of the Alarm Output.
10K
RESISTOR
+5VDC
EX BOARD
ALARM 1
TTL
RELAY
+12VDC
EX BOARD
ALARM 1
RELAY
LED
1K
RESISTOR
+12VDC
EX BOARD
ALARM 1
LED
Figure 1G: Hard Alarm Output
HARD ALARM OUTPUT APPENDIX G
VSSI-Pro VIDEO SERIAL ATM INTERFACE