BioEntry W
Connections
RS485 Connection for Host Communication
GND -
TRX+
TRX-
RS232-485
Converter
Power IN (Red)
Power GND (Black)
Signal GND (Black/White Stripe)
TRX+ (Blue/White Stripe)
TRX- (Yellow/White Stripe)
BioEntry W
Ⓒ
Copyright 2007 Suprema Inc.
15
Notes
−
Only the devices at the both ends of the bus should be terminated. To enable termination on the RS232-485 converter,
refer to the converter’s manual.
−
Adjust the communication speed as needed. The signal quality vary depending on wiring conditions, and it may be
necessary to lower the baudrates.
−
The GND signal may be omitted if and only if the GND potential difference is less than
±
5V.
Power IN (Red)
Power GND (Black)
Signal GND (Black/White Stripe)
TRX+ (Blue/White Stripe)
TRX- (Yellow/White Stripe)
BioEntry W
