Com1/Com2 Rs232/422/485 Select; Com1/Com2 Rs232/Power Select - DFI DL631-C226 User Manual

COM1/COM2 RS232/422/485 Select

COM 1
COM 2
COM 1/COM 2:
RS232/422/485
JP2 (for COM1) and JP11 (for COM2) are used to configure the COM ports to RS232, RS422
(Full Duplex) or RS485.
The pin functions of the COM ports will vary according to these jumpers' setting.
JP2/JP11
5
6
6 5
4 3
4 3
2
1
2 1
3-4 On: RS422
1-2 On: RS232
Full Duplex
(default)
COM 1/ COM 2
1 2 3 4 5 1 2 3 4 5
6 7 8 9 6 7 8 9
RS422
RS232
Full Duplex
Chapter 2 Hardware Installation
Chapter 2
JP2
JP11
6 5
4
3
2
1
5-6 On: RS485
1 2 3 4 5
6 7 8 9
RS485
17

COM1/COM2 RS232/Power Select

5 3 1
6 4 2
1-3 (RI), 2-4 (DCD) On:
RS232 (default)
JP14 JP3
COM 1
COM 2
JP3 (for COM 1) and JP14 (for COM 2) are used to configure Serial COM ports to pure RS232
or RS232 with power. The pin functions of COM 1 and COM 2 will vary according to JP3's and
JP14's setting respectively.
5 3 1
6 4 2
3-5 (+5V), 4-6 (+12V) On:
RS232 with power
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