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C
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k
o
u
t
p
D
a
t
a
C
l
o
c
k
o
u
t
p
1
2
3
4
Pin 1
TR- / D1
Pin 2
TR+ / D0
Pin 5
GND
The electrical interface is 5V TTL compatible.
C
O
M
R
S
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8
5
s
e
C
O
M
R
S
4
8
5
s
e
1
2
3
4
Pin 1
TR- / D1
Pin 2
TR+ / D0
Pin 5
GND
For a half-duplex RS485 connection, only Tx/Rx+ , Tx/Rx- and ground reference
signals are necessary.
Depending on RS485 network , an impedance adaptation may be required.
A 120 Ohms resistor termination may be added to the terminal , by strapping pin 1
and pin 2 of the auxiliary connector.
1
2
3
4
SK-0000034370-01
u
t
w
i
r
i
n
g
u
t
w
i
r
i
n
g
5
6
7
8
Out
Clock
Out
Data
Ground for Wiegand / RS485 / Dataclock
r
i
a
l
p
o
r
t
r
i
a
l
p
o
r
t
5
6
7
8
Out
RS485 TX/RX-
Out
RS485 TX/RX+
Ground for Wiegand / RS485 / Dataclock
1
2
3
5
6
7
8
SAGEM Défense Sécurité document. Reproduction and disclosure forbidden.
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