Hardware installation, Pin functions – DFI PT631-IPM User Manual

Page 31

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31

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Hardware Installation

Pin Functions

RS232

RS422

Full Duplex

RS485

1

9

2

DCD-

TD

GND

R

T

S-

RI

-

RD D

TR

-

DSR

-

CT

S-

1

9

2

RXD+

TXD+

N.C.

N.C. N.C.

RXD- TXD-

N.C.

N.C.

1

9

2

DA

TA+

N.C. N.C.

N.C. N.C.

DA

TA

-

N.C.

N.C.

N.C.

The pin function of the COM ports will vary according to the jumper’s setting.

DCD-

TD

RD

D

TR

-

GND

1 2 3 4 5

R

T

S-

RI

-

DSR

-

CT

S-

6 7 8 9

DA

TA+

N.C.

DA

TA

-

N.C. N.C.

1 2 3 4 5

N.C.

N.C.

N.C.

N.C.

6 7 8 9

COM 1 / COM 2

RXD+

TXD+

RXD-

TXD- N.C.

1 2 3 4 5

N.C.

N.C.

N.C.

N.C.

6 7 8 9

COM 3 / COM 4

RS232

RS422

Full Duplex

RS485

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