DFI CD951-C2800 - Manual (Page 13)

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13
Chapter 2 Hardware Installation
Chapter 2
COM2 RS232/RS422/RS485 Select
5-6 On: RS485
JP3 is used to configure the COM ports to RS232, RS422 (Full Duplex) or RS485.
The pin function of the COM ports will vary according to the jumper’s setting.
JP3
6 4 2
5 3 1
COM 2
JP3
RS232 RS422
Full Duplex
RS485
COM 2
6 4 2
5 3 1
1-2 On: RS232
(default)
3-4 On: RS422
Full Duplex
6 4 2
5 3 1
2
1 9
DA
TA
+
N.C. N.C. N.C. N.C.
DA
TA
-
N.C. N.C. N.C.
9
RXD+ TXD+ N.C. N.C. N.C.
RXD- TXD- N.C. N.C.
2
1 9
DCD- TD GND RT
S-
RI
-
RD
DT
R- DSR
-
CTS-
2
1
Mini PCIe/mSATA Select
JP8
1 3
10 12
1 3
10 12
2-5-8-11, 3-6-9-12 On: mSATA
1-4-7-10, 2-5-8-11 On:
Mini PCIe (default)
JP8 is used to select the configure Mini PCIe signal.