20
IB995
User’s Manual
2.5.2
COM2~COM4 RS-232 Ports (J26, J5, J6)
10
2
9
1
Pin
Signal Name
Pin
Signal Name
1
DCD, Data carrier
detect
2
RXD, Receive data
3
TXD, Transmit data
4
DTR, Data terminal
ready
5
Ground
6
DSR, Data set ready
7
RTS, Request to send
8
CTS, Clear to send
9
RI, Ring indicator
10
Key