HP JetDirect 600N J3111A J3111-60002 Ethernet RJ45 BNC LocalTalk Print Server

HP JetDirect 600N J3111A J3111-60002 Ethernet RJ45 BNC LocalTalk Print Server

The HP JetDirect 600N (J3111A) is an internal print server card that installs directly into compatible HP LaserJet printers, adding network connectivity without an external print server box. The J3111A revision supports three physical network interfaces — 10Base-T (RJ45), 10Base-2 (BNC coax), and LocalTalk — giving it broad compatibility across the wired network topologies common in office environments of the mid-to-late 1990s.

Specifications & What's Included

• Manufacturer: HP (Hewlett-Packard)
• Model: JetDirect 600N
• Part Number: J3111A
• Manufacturer Part Number (MPN): J3111-60002
• Type: Internal JetDirect print server card
• Network Interface 1: 10Base-T — RJ45 connector
• Network Interface 2: 10Base-2 — BNC coax connector
• Network Interface 3: LocalTalk (Apple)
• Form Factor: Internal card/module (slots into HP LaserJet JetDirect bay)
• Protocols supported: TCP/IP, IPX/SPX, AppleTalk, DLC/LLC
• What's Included: Card only — no cables or accessories

Applications

HP JetDirect internal print server cards were designed to plug directly into the accessory bay found on mid-range and enterprise HP LaserJet printers, turning a standalone printer into a shared network device without requiring a separate external server. The 600N series was a staple of corporate office networks in the mid-1990s and supported the mixed networking environments typical of that era — Ethernet for Windows and Unix workstations, and LocalTalk for Apple Macintosh clients on the same printer simultaneously. The BNC 10Base-2 port supported thin-coax Ethernet bus topologies that were common before structured cabling (10Base-T) became the dominant standard. Today these cards are sought by legacy network administrators maintaining older HP LaserJet fleets, as well as vintage computing enthusiasts running period-correct office setups with mixed Mac and PC environments.