Sagem MA 500+ Series - Data Clock input wiring

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MA 500 / MA 500+ Series OMA 500 Series
Wiegand
1 Block 1
D0 In
Data (5V TTL)
Blue
2 Block 2
D1 In Clock (5V TTL) Yellow
3 Block 3
LED NC NC
4 Block 4
+12V Out 12 Volts Power output (150mA max) Red
5 Block 5
GND Ground for Dataclock Black
Note A: In case of old I/O board (split power connector) and if your
Wiegand/Dataclock peripheral has open drain outputs, a signal adaptation is
required, as follows:
D0 Wiegand IN signal:
Pull up 10K Ohms to +12Volts
Pull down 4.7K Ohms to GND
D1 Wiegand IN signal:
Pull up 10K Ohms to +12Volts
Pull down 4.7K Ohms to GND