Serial Printer (25-25) cable

pinout

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

25 pin D-SUB female connector  to the computer

D-Sub 1 D-Sub 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

25 pin D-SUB female connector  to the printer

Source:www.pinouts.ru