DFI EC200 Series User Manual page 72

4
Jumper Settings
COM 3 to COM 6 RS232/Power Select
JP3
COM 3
(JP3)
JP3, JP4, JP6 and JP7 are used to confi gure COM 3 to COM 6 to pure RS232 or
RS232 with power.
The pin function of COM 3 to COM 6 will vary according to JP3's, JP4's, JP6's and
JP7's setting respectively.
72
JP7
JP6 JP4
COM 4
COM 5
(JP6)
(JP4)
JP3 / JP4 / JP6 / JP7
2 4 6
1 3 5
1-3, 2-4 On:
RS232 (default)
COM 3 / COM 4 / COM 5 / COM 6
1 2 3 4 5
6 8 9
7
COM 6
(JP7)
2 4 6
1 3 5
3-5(+12V), 4-6(+5V) On:
RS232 with power
1 2 3 4 5
6 7 8 9