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6. Pin Assignments and Cable Wiring
6.1
Pin connection
9 Pin D-SUB male connector
Pin Signal
1
TXD- (DATA-)
2
TXD+ (DATA+)
3
RXD+
6.2
RS-485 (2-wire) Cable Wiring
6.3
RS-425 (4-wire) Cable Wiring
7. Technical Specification
Power requirements:
Operating temperature:
Operating humidity:
Pin Signal
4
RXD-
5
GND
6
DATA(-)
Pin 1
DATA(+)
Pin 2
Ground
Pin 5
RS-422/485 PCI card
TXD(-)
Pin 1
TXD(+)
Pin 2
RXD(+)
Pin 3
RXD(-)
Pin 4
Ground
Pin 5
RS-422/485 PCI card
12V DC, 150mA (max.)
3.3V DC, 95mA (max.)
0
0
0
to 55
C (32
5% to 95% RH
Seriell RS-422/485 PCIe Board
Pin Signal
7
8
9
Pin 1
Pin 2
Pin 5
RS-485 Device
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
0
0
to 131
F)
14
DB 9M
DATA (-)
DATA (+)
Ground
TX(-)
TX(+)
RX(+)
RX(-)
Ground
RS-485 Device