Installing the Encompass 4 Reader
4-37
Using Table 4-9 as a guide to the functions of each of the wire signals, connect the
remaining wires to the appropriate terminal blocks on the terminal strip in the junction
box.
Table 4-9 Sense Input/Output Cabling Assignments
Pair Pin Color Signal Description Typical Function
Blue/Red E Blue WGND0 Wiegand data0 Parking/access
control
applications
F Red WGND1 Wiegand data1 Parking/access
control
applications
White/
Red
L White Lock Tag lock output,
active-closed
Testing
maintenance
M Red Lock_RTN Tag lock return Testing
maintenance
Green/
Red
N Green Sense Input0 Sense Input0
(loop)
Loop and
presence
detection
P Red Sense
Input0_RTN
Sense Input0
return; not
isolated from
signal ground
Loop and
presence
detection
Blue/
Black
R Blue Sense Input1 Sense Input1 General-purpose
sense input, not
used for detecting
presence
S Black Sense
Input1_RTN
Sense Input1
return; not
isolated from
signal ground
General-purpose
sense input, not
used for detecting
presence
Brown/
Black
T Black Sense
Output0_COM
Sense Output0
(tag detect),
common terminal
Switched output to
control gate
U Brown Sense
Output0_NO
Sense Output0
NO terminal
Switched output to
control gate
Orange/
Black
V Black Sense
Output0_COM
Sense Output0
(tag detect
output), common
terminal
Switched sense
output for any
external control
(light, gate, buzzer,
etc.)