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Access control applications
The door contact is connected to the CRC via the input circuit.
SDU programming
In the SDU, you’ll need to define the input circuit for the door
contact as follows:
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Device type: Security P Monitor
Delays: None
Application: Door Contact
Personality: Basic
ACDB operation
Two time periods are defined in the ACDB: Emergency Exit
Sounder Time, and Bypass Time.
Emergency Exit Sounder Time is the number of seconds (0
through 255) the CRC Sounder sounds when an emergency exit
door is opened without badging out.
When set to zero, the sounder is disabled. When set to 255, the
sounder sounds until manually reset. The sounder is reset when a
cardholder badges in at the door.
In all cases badging in on the affected CRC can silence the
sounder.
Bypass Time is the number of seconds (0 through 255) that the
door is bypassed after a cardholder badges out.
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CRC Technical Reference Manual