TransCore SmartPass AI1611, Системное руководство

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Quick SmartPass® Test
Connecting an RS–422 Interface
Follow these instructions if your SmartPass is an RS–422 unit. RS–422 interface
signals are supplied by four wires from the SmartPass communications cable.
Your host must have an RS–422 interface, with either an internal converter or
with an external converter. Table 3-3 lists the RS–422 signals and their interface
wires.
Table 3-3 RS–422 Interface Signal Wiring
Signal Wire Pair
From
SmartPass Wire Color
Used From
Pair Connect to
Signal
Transmit B (+) data
from SmartPass Yellow/red Yellow Receive (+)
Transmit A (-) data
from SmartPass Yellow/red Red Receive (-)
Receive B (+) data to
SmartPass Red/black Black Transmit
(+)
Receive A (-) data to
SmartPass Red/black Red Transmit (-)
To connect an RS–422 interface
1. Connect the yellow transmit B (+) wire from the yellow and red wire pair from
the SmartPass cable to the host receive (+) signal.
2. Connect the red transmit A (-) wire from the yellow and red wire pair from the
SmartPass cable to the host receive (-) signal.
3. Connect the black receive B (+) wire from the red and black wire pair from the
SmartPass cable to the host transmit (+) signal.
4. Connect the red receive A (-) wire from the red and black wire pair from the
SmartPass cable to the host transmit (-) signal.
SmartPass is now connected to your PC.
Connecting a Wiegand Interface
Follow these instructions if your SmartPass uses a Wiegand interface. Wiegand
interface signals are supplied by three wires from the SmartPass communications
cable. Table 3-4 lists the Wiegand signals and the interface wires.
Table 3-4 Wiegand Interface Signal Wiring
Signal Wire Pair Wire Color Wiegand Signal
Data0 Blue/red Blue Data 1
Data1 Blue/red Red Data0
Logic ground Yellow/black Yellow or black Ground
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