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C o m p a c t B o a r d
P C M - 6 8 9 4
Chapter 2 Quick Installation Guide
2 - 18
2.22 Serial Port 1/2/3/4 Connector (CN12)
The PCM-6894 offers three RS-232 serial ports and one
RS-232/422/485 serial port to connect serial devices. Using the
BIOS Peripheral Setup program, you can select the address for each
port or disable it. Please check the following table for the pin
assignment.
Pin
Signal
Pin
Signal
1
DCD1
2
DSR1
3
RXD1
4
RTS1
5
TXD1
6
CTS1
7
DTR1
8
RI1
9
GND
10
N.C.
11
DCD2 (422TXD-/485DATA -)
12
DSR2
13
RXD2 ()
14
RTS2
15
TXD2 (/)
16
CTS2
17
DTR2 (422RXD-)
18
RI2/12V
19
GND
20
N.C.
21
DCD3
22
DSR3
23
RXD3
24
RTS3
25
TXD3
26
CTS3
27
DTR3
28
RI3
29
GND
30
N.C.
31
DCD4
32
DSR4
33
RXD4
34
RTS4
35
TXD4
36
CTS4
37
DTR4
38
RI4
39
GND
40
N.C.
Summary of Contents for PCM-6894
Page 8: ...Compact Board P C M 6 8 9 4 Chapter 1 General Information 1 1 General Information Chapter 1...
Page 19: ...Compact Board P C M 6 8 9 4 Chapter 2 Quick Installation Guide 2 4 Solder Side...
Page 21: ...Compact Board P C M 6 8 9 4 Chapter 2 Quick Installation Guide 2 6 Solder Side...
Page 39: ...Compact Board P C M 6 8 9 4 Chapter 3 Award BIOS Setup 3 1 Award BIOS Setup Chapter 3...
Page 55: ...Compact Board P C M 6 8 9 4 Chapter 4 Driver Installation 4 1 Driver Installation Chapter 4...
Page 68: ...Compact Board P C M 6 8 9 4 Appendix A Programming the Watchdog Timer A 9...
Page 69: ...Compact Board P C M 6 8 9 4 Appendix B I O Information B 1 Optional Extras Appendix B...