LV-67M User’s Manual 2.5.6 <Serial Port interface> COM1 COM2 Type: RS232/422/485 JP2 JP1 2 2 2 19 20 2 19 20 1 11 5 JCSEL2 COM3/4 1 12 5 COM5/6 1 2 6 1 1 JCSEL1 6 JP3 JP4 2 6 2 6 1 5 1 5 -21- 2 8 1 7