HP 4050 manual DB-9 Serial Cable Pin Outs C2932A, DB-25 Serial Cable Pin Outs C2933A

DB-9 Serial Cable Pin Outs (C2932A)

Computer DB-9	Printer DB-9 (male cable end)
2- Receive Data	2- Transmit Data
3- Transmit Data	3- Receive Data
4- Data Terminal Ready	4- Data Set Ready
5- Ground	5- Ground
6- Data Set Ready	6- Data Terminal Ready
8- Clear to Send	8- Data Terminal Ready

DB-25 Serial Cable Pin Outs (C2933A)

Computer DB-25	Printer DB-9 (male cable end)
3- Receive Data	2- Transmit Data
2- Transmit Data	3- Receive Data
20- Data Terminal Ready	4- Data Set Ready
7- Ground	5- Ground
6- Data Set Ready	6- Data Terminal Ready
5- Clear to Send	8- Data Terminal Ready

Note	The pin outs for the computer end are typical pin numbers. The
	actual pin numbers for your computer may be different. Check the
	documentation for your computer to verify the proper pin outs.
	Pins not shown are not used by the printer.

A-20 Specifications

EN