HPE JetDirect 620N, part J7934-60002, is an internal print server card that connects a compatible printer to a wired network for shared printing. It adds a network connection to the printer through its single 10/100Base-TX Ethernet port.
The card uses an RJ-45 connection and fits the EIO print-server format described for the JetDirect 620n. Once connected to a network, it lets the printer be accessed as a network printer rather than only through a direct local connection.