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

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

D25 pin D-SUB female to the PC
DB25 pin D-SUB female to the PC
DB25 pin D-SUB female
DB25 pin D-SUB female to the printer

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