Biostar M7MKB User Manual page 20

Chapter 1
Signal
DCD Data Carrier Detect
RX
TX
DTR Data Terminal Ready
GND
DSR
RTS
CTS
RI
Name
Receive Data
Transmit Data
Signal Ground
Data Set Ready
Request to Send
Clear to Send
Ring Indicator
Motherboard Description
DB9 PIN DB25 PIN
1 8
2 3
3 2
4 20
5 7
6 6
7 4
8 5
9 22