HP Jetdirect 620n (J7934G) is an internal EIO print server that adds wired network printing to a compatible HP printer or multifunction device. It lets users share the connected device over a local network without relying on a PC server for the connection.
The card connects through the printer’s EIO slot and provides 10/100Base-TX Ethernet through a single RJ-45 port. Its listed data transfer rate is up to 6 MB/second. The module also has 4 MB of flash memory and 16 MB of standard memory.
For administration, the specification sheet lists HP Web Jetadmin, HP Easy Printer Care and the HP Embedded Web Server. The card is intended for HP devices equipped with a compatible EIO slot.