Serial (RS232) printer cable (DB9-DB25). Pinout and signals for building a serial (RS232) printer cable

Use this cable between two a computer (DTE) and a printer (DTE) devices.

D9 pin D-SUB female to the PC
DB9 pin D-SUB female to the PC
DB25 pin D-SUB female
DB25 pin D-SUB female to the printer

DB9 DB25
Receive Data
3
3
Transmit Data
Transmit Data
2
2
Receive Data
Clear To Send + Data Set Ready
8 + 6
20
Data Terminal Ready
Carrier Detect + Data Terminal Ready
1 + 4
 
Ground
5
7
Ground