15
Chapter 4
External Device Wiring
4.1
Card Reader Wiring
Y
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llo
w
B
lu
e
B
la
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R
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d
B
la
ck
R
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d
G
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e
n
W
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it
e
P
u
rp
le
O
ra
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ge
B
ro
w
n
Controller
Card Reader
Figure 4-1
Wiring diagram of Wiegand card reader
Note:
You must connect the OK/ERR/BZ, if using access controller to control the LED and
buzzer of the Wiegand card reader.
For 1800 series card reader, the wiring diagram is shown below.
Y
e
llo
w
B
lu
e
B
la
ck
R
e
d
G
N
D
V
C
C
W
G
-D
0
W
G
-D
1
W
G
_B
EE
P
W
G
_E
R
R
W
G
_O
K
Controller
Card Reader
LE
D
UltraAC200/400 Serial Access Controller
Page 15
Figure 4-2
Wiring diagram of
Weigand
card reader
