Connection 3-7
1
DATA CARRIER DETECT (DCD)
2
RECEIVE DATA (RXD)
3
TRANSMIT DATA (TXD)
4
DATA TERMINAL READY (DTR)
5
GROUND (GND)
6
DATA SET READY (DSR)
7
REQUEST TO SEND (RTS)
8
CLEAR TO SEND (CTS)
9
RING INDICATOR (RI)
l
CN18 : Serial Port 10-pin Header (COM2)
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
DCD
2
DSR
3
RXD
4
RTX
5
TXD
6
CTX
7
DTR
8
RI
9
GND
10
NC