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15 • Schlage • WRI400 user guide
Credential readers
An input device with either Wiegand (Data1/Data0) or magnetic (clock and data) bit stream
can be used with the WRI400. The WRI400 provides two separate credential reader
interfaces.
Connect the shield of the Reader 1 cable to the WRI400 J17-3 terminal (GND). Connect the
shield of the Reader 2 cable to the WRI400 J18-3 terminal (GND). Do not connect the cable
shield at the credential reader.
L
Reader input ports are designed for 5V logic. Any voltage greater than 5V may
cause damage to either the WRI400 or the readers.
The WRI400 does not provide power to the readers. Power must be provided to the
readers separately by a UL listed power supply.
The WRI400 may not provide complete control of the reader’s beeper or LEDs. Please
consult with your reader’s manufacturer for instruction on reader configuration.
Reader 1
terminal
Reader 2
terminal
Description
CLK/D1
J17-1
J18-1
Credential reader inputs: Each input line is pulled to GND
through a 12V transient suppressor and a 2 mega-ohm
resistor.
Wiegand or magnetic format is automatically detected.
DATA/D0 J17-2
J18-2
GND
J17-3
J18-3
The signal ground of the WRI400 must be tied to the
signal ground at the reader.
BEEPER J17-4
J18-4
Beeper signal line connection to the reader.
This is an “open collector” style output and has a 12V
transient suppressor to GND.
The output is switched to GND through a 100 Ohm
resistor to activate the beeper on the reader.
NOTE: Most readers beep independently, and beeper
performance depends on the specific reader model.
GRN
J17-5
J18-5
Green LED signal line connection to the reader.
This is an “open collector” style output and has a 12V
transient suppressor to GND.
The output is switched to GND through a 100 Ohm
resistor to activate the green LED on the reader.
RED
J17-6
J18-6
Red LED signal line connection to the reader.
This is an “open collector” style output and has a 12V
transient suppressor to GND.
The output is switched to GND through a 100 Ohm
resistor to activate the red LED on the reader.