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12
COM4: RS-232 serial port connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
NDCD4
2
NDSR4
3
NRX4
4
NRTS4
5
NTX4
6
NCTS4
7
NDTR4
8
NRI4
9
GND
10
GND
COM5: RS-232 serial port connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
NDCD5
2
NDSR5
3
NRX5
4
NRTS5
5
NTX5
6
NCTS5
7
NDTR5
8
NRI5
9
GND
10
GND
COM3: RS-232 serial port connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
NDCD3
2
NDSR3
3
NRX3
4
NRTS3
5
NTX3
6
NCTS3
7
NDTR3
8
NRI3
9
GND
10
GND
COM6: RS-422/485 serial port connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
RXD485#
2
3
4
TXD485#
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