COMMELL LP-171 - Manual (Page 26)

LP-171 User’s Manual
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2.11 <Serial Port Jumper Setting >
The board provides two RS232 serial ports,
Connector: CN_COM1/2
Type: 20-pin (5 x 2) 1.27mm x 2.54mm-pitch header for COM1/2
Pin Description Pin Description
1 MDCD1 2 MSIN1
3 MSO1 4 MDTR1
5 GND 6 MDSR1
7 MRTS1 8 MCTS1
9 MRI1 10 NC
11 MDCD2 12 MSIN2
13 MSO2 14 MDTR2
15 GND 16 MDSR2
17 MRTS2 18 MCTS2
19 MRI2 20 NC
19 1
20 2
CN_COM1/2