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