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Small desktop print server adapter in multicolor finish

HP

HP Jetdirect EX Plus Print Server J2591A adapter

SKU CH-0ZHW-K64JB

Connects a printer to 10Base-T and 10Base-2 networks via a single RJ-45 port

  • ColorMulticolor
  • Connects legacy printers to Ethernet networks via 10Base-T and 10Base-2 interfaces
  • Single RJ-45 port provides twisted-pair connectivity for 10Base-T networks
  • BNC coaxial port enables 10Base-2 thinnet integration for older LAN environments
  • Desktop form factor allows convenient placement near printers or workstations
  • HP Jetdirect EX Plus model J2591A delivers dedicated print server functionality

HP Jetdirect EX Plus Print Server

The HP Jetdirect EX Plus Print Server connects a parallel-port printer to a 10Base-T or 10Base-2 coaxial network using a single RJ-45 port and BNC interface. It is designed for small workgroups that want to share an existing legacy printer over a wired Ethernet segment without installing a dedicated print server computer. The desktop form factor sits conveniently on a shelf or desk near the printer.

Suited for parallel printers on legacy Ethernet

This adapter suits administrators maintaining older office equipment that only offers a parallel connection and must join a 10 Mbps twisted-pair or thinnet coaxial network. It is not suited for printers that require Fast Ethernet or Gigabit speeds, nor for devices that lack a parallel interface. Buyers needing wireless connectivity or modern high-speed wired standards should select a different product.

Single RJ-45 and BNC for 10 Mbps Ethernet

The decisive specification is the combination of one RJ-45 port and a BNC connector supporting 10Base-T and 10Base-2 media types at 10 Mbps. If the target network runs exclusively at higher speeds or uses only modern cabling without a media converter, this print server will not link. Verify that the infrastructure provides a compatible 10 Mbps segment before purchasing.

Highlights

  • Connects legacy printers to Ethernet networks via 10Base-T and 10Base-2 interfaces
  • Single RJ-45 port provides twisted-pair connectivity for 10Base-T networks
  • BNC coaxial port enables 10Base-2 thinnet integration for older LAN environments
  • Desktop form factor allows convenient placement near printers or workstations
  • HP Jetdirect EX Plus model J2591A delivers dedicated print server functionality

Specifications

BrandHP
ColorMulticolor

Questions about this item

What network speeds does the 10Base-T RJ-45 port on the J2591A support?

The single RJ-45 port runs at 10 Mbps half-duplex over twisted-pair cabling, matching the 10Base-T Ethernet standard listed for this adapter.

What desktop space or mounting does the HP Jetdirect EX Plus print server need?

The unit is a small desktop module; it sits on a flat surface and connects to the printer via its parallel port, requiring no rack rails or brackets.

How is the J2591A installed, and which step is often missed?

Connect the print server to the printer’s parallel port, link the RJ-45 or BNC cable, power the unit, then configure the IP address via HP Web Jetadmin or BOOTP; skipping the IP setup leaves the device unreachable on the network.

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