LV-683 User’s Manual
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Jumper: JCSEL1/2
Type: 12-pin (6 x 2) & 8-pin (4 x 2) for set COM2 mode jumper
RS232
RS485
RS422
IrDA
JCSEL1
JCSEL2
Default: RS232
JCSEL1
JCSEL2
7 1
8 2
8 2
8 2
8 2
7 1
7 1
7 1
11 1
11 1
11 1
11 1
12 2
12 2
12 2
12 2
8 2
7 1
11 1
12 2