beautypg.com

13

Page 29

background image

HE-772 User’s Manual

-

27

-

2.13

The board provides two RS232 serial ports, with jumper selectable RS422/485/IrDA for

COM2.



Connector: CN_COM 1/2

Type: 20-pin D-sub male connector

Pin

Description

Pin

Description

1 MDCD1-

11

DCDBTXC-

2 MSIN1-

12

SINBTXC

3 MSO1-

13

SOUTBRXC

4 MDTR1-

14

DTRBRXC-

5 Ground

15

Ground

6 MDSR1-

16

MDSR2-

7 MRTS1-

17

MRTS2-

8 MCTS1-

18

MCTS2-

9 MRI1-

19

MRI2-

10 NC

20 NC





Connector: CN_COM3/4

Type: 20-pin (10 x 2) 1.27mm x 2.54mm-pitch header for COM3/4

Pin

Description

Pin

Description

1 HS_DCD1-

11

HS

DCD2-

2 HS_RXD1

12

HS

RXD2

3 HS_TXD1

13

HS

TXD2

4 HS_DTR1-

14

HS

DTR2-

5 Ground

15

Ground

6 HS_DSR1-

16

HS

DSR2-

7 HS_RTS1-

17

HS

RTS2-

8 HS_CTS1-

18

HS

DSR2-

9 COM39

19

COM49

10 NC

20 NC





See also other documents in the category COMMELL Hardware: