DB9 - DB25 Laplink
Serial Cable Pinout


DB9 Female Connector

DB25 Female Connector

DB9 - DB25 SERIAL LAPLINK CABLE
DB9
SIGNAL
DB25
SIGNAL
2
RXD
2
TXD
3
TXD
3
RXD
4
DTR
6
DSR
5
GND
7
GND
6
DSR
20
DTR
7
RTS
5
CTS
8
CTS
4
RTS