User's Manual

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15
COM2 RS422 wiring
COM2 can also be congured for RS422.
Terminal block J11: RS485/422 (optional)
Pin 1 Not connected
Pin 2 Not connected
Pin 3 Not connected
Pin 4 Not connected
Pin 5 Rx+ (Connected to Tx+ on the host) Input
Pin 6 Rx- (Connected to Tx- on the host) Input
Pin 7 Tx+ (Connected to Rx+ on the host) Output
Pin 8 Tx- (Connected to Rx- on the host) Output
Pin 9 Ground Ground
Warning: Except for reduced RS232C (TXD, RxD and GND),
the options full RS232C and RS485/422 need the optional
cable on J10.
Wiegand output wiring
Terminal block J4
Pin 1 Data 0 Output
Pin 2 Data 1 Output
Pin 3 LEDin Input
Pin 4 Ground Input
The electrical interface conforms to the Security Industry
Association’s Wiegand standard, March 1995.
Electrical Interfaces