Contec SPI-6941-LV - Serial Port Connector: CN10;CN5

CHAPTER 2 –Ha r dwa r e I n s tallatio n s
18 SPI-6941-LV
2 . 6 S e r i a l Po r t c onn ec t o r : CN 10 / CN 5
COM1 (CN10) and COM2 (CN5) are 10-pins box-header, are onboard serial ports of
the CPU card SPI-6941-LV. The following table shows the pin assignments of these
connectors.
R S 422/485 a ss ig n e d f or C OM2 co nn ec t or o n ly
CN 10 / CN 5
P I N R S - 232 R S 422 R S 485
1 DCD T X - T X -
2 R X D T X + T X +
3 T S D R X + R X +
4 D T R R X - R X -
5 G ND G ND G ND
6 D S T R T S - N . C
7 R T S R T S + N . C
8 C T S C T S + N . C
9 R I C T S - N . C
CN 10 / CN 5
1
6
5 10
10 N . C N . C N . C