AVE VSSI-PRO operation manual Ttl, Hard Alarm Output Appendix G

HARD ALARM OUTPUT APPENDIX G

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.

+1 2 V DC

1 K

RE S I S TO R

LE D

E X B O A RD

A L A R M 1

LED

+1 2 V D C

RE L AY

+5 V

E X B O A RD

A L A R M 1

E X BO A RD

AL AR M 1

RELAY

1 0 K

R E S I S TO R

TTL

Figure 1G: Hard Alarm Output

VSSI-Pro VIDEO SERIAL ATM INTERFACE

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