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4. Wiring
Tricolor LED (Red,
Green, Orange)
5. Connecting Biometric Readers to CV-350 Controller
• The Biometric readers can be connected to virtually
any controller that conforms to Wiegand format
standards (standard Wiegand 26bit or self-defined
Wiegand).
• The lines D0 and D1 are the Wiegand lines and the
Wiegand Number is sent through them.
• The RS485 line (A, B) is used for fingerprint transfer
and reader settings.
• The Biometric readers must be powered from
the controller.
12V DC
Red
Black
GND
Pink
A
RS485
Violet
B
Orange
LR-
LED Red -
LED Green -
Green
LG-
White
D0
WIEGAND
D1
Yellow
Tamper
Gray
Blue
Tamper
• If you use different power supply for the biometric
reader, connect the GND from the both devices to
ensure correct transfer of the wiegand signal
• When you have connected the reader and powered on,
the LED should flash in orange light + 2 beeps. This lets
you know it's on and ready for use.
• Fingerprint enrollment is done from the PC Software.
Connection between the Biometric readers and the PC
must be established.
C40
H1
R62
FUSE2
12Vdc Out
R7
IC15
Free In 1 +
IC12
50m. max
Free In 1 -
Free In 2 +
IC2
TAS1
Free In 2 -
R6
R50
R54
U1
Exit Button1
GND
Exit Button2
Door Sensor1
GND
Door Sensor2
TCP/IP
U4
pink
A
violet
B
green
LG-
orange
LR-
black
GND
red
+12V
white
D0
yellow
D1
Page 5 of 21
CV-940-20 Series
12V DC
12V DC
GND
Ground
A
RS485 A
B
RS485 B
LR-
Red LED -
LG-
Green LED -
D1
Data 1
D0
Data 0
Tamper
Tamper Switch(NO)
Tamper
Tamper Switch(NO)
LD22
A
A
A
A
LD17
LD18
LD19
A
LD23
R5
C4
System
Rx
Tx
Busy
OK
IC1
L4
C41
BAT
CV-350
IC1
C42
C15
IC11
R17
C13
X1
C44
Ser No: 11-04-16-013
C43
C12
Mac: 00-04-A3-16-90-D
C5
R11
R37
U5
R20
C16
R19
L5
C3
L3
L8
C32
L6
C27
ZD4
FUSE1
ICN2
ZD1
IC8
IC7
R3
R1
IC6
R14
R13
R4
R2
ZD3
C28
C29
ZD2
L9
L7
gnd
gnd
gnd
A
B
12V
D0
D1
12V
D0
D1
led1
led2
led1
led2
Rb6
R36
J1
ICN1
D2
D3
Earth
Earth
screw
Fuse
gnd
12V
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