HP J2555-69013 JetDirect Token Ring LAN DB-9 Network Interface Card

HP J2555-69013 JetDirect Token Ring LAN DB-9 Network Interface Card

The HP J2555-69013 is a Token Ring network interface card designed for integration into HP systems and other compatible devices on Token Ring local area networks. This card connects via a DB-9 connector to Token Ring cabling infrastructure and served as a connectivity solution in legacy corporate and industrial Token Ring network environments.

Specifications & What's Included

• Manufacturer: Hewlett-Packard (HP)
• Model: J2555-69013
• Interface: Token Ring, DB-9 connector
• Network Type: Token Ring LAN
• Form Factor: Network interface card module
• Card only — no cables, documentation, or mounting hardware included

Applications

Token Ring network interface cards like the HP J2555-69013 were widely deployed in corporate data centers, office networks, and industrial control systems from the 1980s through the early 2000s. Token Ring technology provided deterministic, collision-free network access using a token-passing protocol on a ring topology. The J2555-69013 enabled HP workstations, servers, and network-connected devices to participate in Token Ring networks, particularly in IBM-centric enterprise environments where Token Ring was the standard. This card represents the era when Token Ring competed with Ethernet before Ethernet eventually dominated the networking landscape. Today, Token Ring networking is largely obsolete, but these cards remain of interest to legacy system maintainers, collectors of vintage networking equipment, and those preserving or restoring period-appropriate systems.