Com1/Com2 Rs232 Power Select; Com1 Signal Select - DFI ST101-CR User Manual

COM1/COM2 RS232 Power Select

JP1
2 4 6 2 4 6
1 3 5 1 3 5
1-3, 2-4 On: RS232 3-5 (+12V), 4-6 (+5V)
(default)
On: RS232 with power
Chapter 4 Jumper Settings
Chapter 4
2 4 6
JP14
1 3 5
1-3, 2-4 On: RS232
(default)
2 4 6
1 3 5
3-5 (+12V), 4-6 (+5V)
On: RS232 with power
18
COM 1 Signal Select
JP3
2 4
6 2 4 6
1 3 5
1 3 5
1-3 On: Pin-9 3-5 On: Pin-9
is RI (default) is VCC (+5V)
JP3 (for COM 1) is used to configure pin 1 and pin 9 signal of the COM port. The pin function
of the COM ports will vary according to the jumper's setting.
2 4 6 2 4 6
1 3 5
1 3 5
2-4 On: Pin-1 4-6 On: Pin-1
is DCD (default) is VCC12 (+12V)
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