Document # MAN0001 Issue 4.29 Page 5 of 34
Example Configurations
C4 Only
This is the simplest of the configurations with the C4 mounted on the outside of the access door. A
locking device and a power supply are all that need to be added to complete the system.
Depending on the locking device used, some additional items may be needed to support that
device. If the locking device is a magnet then a Green Call point is going to be required for
emergency egress and a Request to exit button to open the door from the inside.
Optional extras would be the Crystal RFID credentials (Cards or Key Fobs).
The keypad on the C4 is used for programming. Up to 200 Credentials can be added and the
access code can be from 1 to 8 digits in length.
This configuration can be used for:
• Access Code Entry
• RFID Credential Entry
• Code and Credential Entry (2 Factor Authentication)
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