Intel MINI-ITX BOARD AR-B1890 User Manual download pdf (Page 17)

AR-B1890 User’s Manual

16

COM2 RS232/422/485 Selection ( JP6,JP7 )

COM2 SETTING RS232

JP6 JP7

1 ■ ● 2 3 ○ 1 ■ ● 2

4 ● ● 5 6 ○ 3 ○ ○ 4

7 ● ● 8 9 ○ 5 ○ ○ 6

10 ● ● 11 12 ○

COM2 SETTING RS422

JP6 JP7

1 □ 2 ● ● 3 1 □ ○ 2

4 ○ 5 ● ● 6 3 ● ● 4

7 ○ 8 ● ● 9 5 ○ ○ 6

10 ○ 11 ● ● 12

COM2 SETTING RS485

JP6 JP7

1 □ 2 ● ● 3 1 □ ○ 2

4 ○ 5 ● ● 6 3 ○ ○ 4

7 ○ 8 ● ● 9 5 ● ● 6

10 ○ 11 ● ● 12

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 43 44

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