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Nortech CRC22 Series Wiring

Access control unit

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0v
REX 1
Door Mon 1
0v
REX 2
Door Mon 2
V+ (12v)
0v
Clock/D1
Data/D0
LED
Capture
Note 1
V+ (12v)
0v
Clock/D1
Data/D0
LED
Capture
Tamper
Arming Reader 1
Arming Reader 2
Fire Alarm
0v
Input 5
Note 2
Input 6
Input 7
Input 8
0v
12v Out
Tamper / Door 1 Fault
Door 2 Fault
Note 2
Output 3
Output 4
5v Out
Use for powering 5v readers
Note 3

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Summary of Contents for Nortech CRC22 Series

  • Page 1 Tamper REX 1 Arming Reader 1 Door Mon 1 Arming Reader 2 Fire Alarm REX 2 Door Mon 2 Input 5 V+ (12v) Note 2 Input 6 Input 7 Clock/D1 Input 8 Data/D0 Capture 12v Out Note 1 Tamper / Door 1 Fault Door 2 Fault Note 2 V+ (12v)
  • Page 2 Notes: The reader wiring shown is for a standard format Nortech reader (MP1-EM1-0000) configured for Wiegand format. For other readers, refer to the reader manual. The power supply to readers at the reader interfaces is fixed at 12v dc. Ensure that this is appropriate for the reader(s) that you wish to connect to the controller.

This manual is also suitable for:

Crc221-1Crc221-2Crc220-4