RS-422A Serial Connection (Not available on the HP LaserJet 4 Plus or 5 printers)

If you are configuring the computer to use an RS-422A serial port, you need a special cable. Contact the computer or printer network manufacturer to see if an RS-422A cable is available. If no cable is available, contact your computer manufacturer for your computer pin assignments and have a cable constructed.

Figure 3-11 RS-422A Cable Pinout

RS-422A Serial Configuration (LaserJet 4 only)

The default configuration for the serial port on the printer is for RS-232C serial communication. To set the printer to use RS-422A serial communication, change the control panel Serial Menu’s SERIAL setting to SERIAL=RS-422.

N o t e

Hardware pacing for RS-422 serial

 

communication is not available on the printer.

Configuration 3-39