User manual

25 ARK-3202V User Manual
Chapter 2 Hardware installation
2.3.2 COM4
(RS232 is default)
Jumper J3
9-10 (Default) for COM4 Ring
1-3 for COM4 provide 5V
2.3.3 COM5
(RS232 is default)
Jumper J4
7- 8 (Default) for COM5 Ring
1-3 for COM5 provide 5V