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A.5

Page 52

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P4LA User’s Manual System Resources

I/O Port Address Map

52

A.5

Connector: COM1
Type: 9-pin D-sub male connector on I/O Panel

Pin

Description

Pin

Description

1 DCD

6 DSR

2 SIN

7 RTS

3 SO

8 CTS

4 DTR

9 RI

5 Ground

Connector: COM2
Type: 9-pin D-sub male connector on bracket for COM2

Pin

Description

Pin

Description

1 DCD/422TX-/485- 2 RXD/422TX+/485+
3 TXD/422RX+

4 DTR/422RX-

5 GND

6 DSR

7 RTS

8 CTS

9 RI

10

N/C

Connector: COM 3/4/5/6
Type: 9-pin D-sub male connector on bracket

Pin

Description

Pin

Description

1 DCD-

6 DSR-

2 SIN-

7 RTS-

3 SO-

8 CTS-

4 DTR-

9 RI

5 Ground

10

N/C

1
2
3
4
5

6
7
8
9

10

2 1

9

10

2 1

9

See also other documents in the category COMMELL Hardware: