
Compact Board PCM-QM77
Chapter 2 Quick Installation Guide 2-46
2.39 COM Port 7 (CN27)
RX
DTR
DSR
CTS
NC
DCD
12
910
TX
GND
RTS
RI
Pin Pin Name Signal Type Signal Level
1 DCD IN
2 RX IN
3 TX OUT ±9V
4 DTR OUT ±9V
5 GND GND
6 DSR IN
7 RTS OUT ±9V
8 CTS IN
9 RI IN
10 NC
2.40 PCI-Express[x16]Slot (CN28)
Standard specification
2.41 DDR3 SO-DIMM Channel B Slot (CN29)
Standard specification
2.42 DDR3 SO-DIMM Channel A Slot (CN30)
Standard specification
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