HP 5M manual 25 to 9 pin adapter C2809A, DB-9 Serial Cable pin outs, HP Part Number Description

Hewlett-Packard offers the following serial cables and adapter for use with the HP 5/5M Printers:

HP Part Number	Description
C2932A	9 to 9-pin M/F RS-232 Serial Cable, 3m
C2933A	9 to 25-pin M/F RS-232 Serial Cable, 3m
C2809A	9 to 25-pin M/F Serial Cable Adapter

With the C2809A serial cable adapter installed on the printer you can connect a 25-pin cable connector to the printer. The adapter pin connections are shown below.

25 to 9 pin adapter (C2809A)

Standard DB-25	Printer DB-9
(female adapter end)	(male adapter end)
2- Transmit Data	2- Transmit Data
3- Receive Data	3- Receive Data
6- Data Set Ready	4- Data Set Ready
7- Signal Ground	5- Signal Ground
20- Data Terminal Ready	6- Data Terminal Ready

DB-9 Serial Cable pin outs

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

E-2 Serial Pin-out and Cabling Configuration

EN