Sun 5012062 Quad Ethernet Controller SBus Card Network Interface Module

Sun 5012062 Quad Ethernet Controller SBus Card Network Interface Module

The Sun 5012062 is a quad Ethernet network controller card designed for Sun SPARC-based workstations and servers. This SBus interface card provides four independent Ethernet connections, enabling multi-port networking capability in systems that support SBus architecture. The card was a standard option for expanding or adding network connectivity to SPARC systems during the 1980s and early 1990s.

Specifications & What's Included

• Make: Sun Microsystems
• Model: 5012062
• Card Type: Quad Ethernet Controller
• Bus Interface: SBus (Sun proprietary bus standard)
• Ethernet Ports: 4 independent Ethernet connections
• Port Type: Standard RJ-45 Ethernet (10 Mbps)
• Form Factor: Single SBus module card
• Compatible Systems: Sun SPARCstation series, SPARCserver series, and other SBus-equipped Sun workstations and servers
• Era: Mid-1980s to early 1990s SPARC computing platform

Applications

The Sun 5012062 Quad Ethernet Controller was used to provide network connectivity in Sun SPARC computing environments, including engineering workstations, research systems, and server deployments. The quad-port design allowed a single card to support multiple independent Ethernet interfaces, useful in multi-user environments, network-connected lab setups, and systems requiring redundancy or segmented network connections. This card was particularly common in academic institutions, research facilities, and software development environments where Sun SPARC systems formed the backbone of computing infrastructure. SBus-based Ethernet controllers remain valued by legacy system maintainers, SPARC system restorers, and collectors of vintage Sun computing hardware.