Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
DEC DEFEA-UA Fddi Controller
- FDDI Controller
- Fiber Distributed Data Interface
- High-speed networking
- Connects to FDDI networks
- Designed for DEC systems
- Supports token ring protocol
DEFEA-UA isn't on our shelf today — we source it to order. Request a quote and we'll confirm price and lead time within one business day.
Key specifications
See full specs ↓- Interface
- FDDI
- Type
- Network Controller
- Manufacturer
- DEC
- Model
- DEFEA-UA
Product details
The DEC DEFEA-UA is an FDDI (Fiber Distributed Data Interface) Controller. It provides high-speed networking capabilities using the FDDI standard, typically for connecting DEC systems to FDDI networks.
Technical Information
| Interface | FDDI |
| Type | Network Controller |
Additional Specifications
| Manufacturer | DEC |
| Model | DEFEA-UA |
Description
The DEC DEFEA-UA is a network interface controller that implements the Fiber Distributed Data Interface (FDDI) standard. FDDI is a high-speed, token-passing network technology that operates over fiber optic cables, providing a robust and reliable backbone for local area networks (LANs). The DEFEA-UA allows DEC computer systems to connect to and participate in FDDI networks, enabling high-bandwidth communication. This controller is designed to handle the complexities of the FDDI protocol, including token management, frame transmission and reception, and error detection. It typically supports dual-attachment capabilities, allowing it to connect to both rings of an FDDI network for increased redundancy and fault tolerance. This ensures continuous network connectivity even if one of the fiber paths fails. By providing a high-speed link, the DEFEA-UA controller is suitable for demanding network applications such as file sharing, multimedia streaming, and inter-server communication in environments where performance and reliability are paramount. It represents a significant upgrade in networking speed and capability for DEC systems of its era.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for DEFEA-UA.

