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IBM 93F0338 FDDI Fibre Dual Ring Adapter
- Interface Type: FDDI (Fiber Distributed Data Interface)
- Configuration: Dual Ring
- Connectivity: Fiber Optic (typically SC or MIC connectors)
- Data Rate: 100 Mbps
- Bus Interface: PCI or ISA (depending on specific model variant)
- Redundancy: Supports dual-ring topology for fault tolerance
- Application: Enterprise networking, backbone connectivity
- Manufacturer: IBM
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Product Overview
The IBM 93F0338 is a Fiber Distributed Data Interface (FDDI) adapter card, featuring a dual ring configuration for enhanced network redundancy and performance. This adapter allows systems to connect to an FDDI network, providing high-speed token ring communication. It is designed for enterprise environments requiring robust and reliable network connectivity.
Technical Information
| Product Type | Network Adapter |
| Interface | FDDI (Fiber Distributed Data Interface) |
| Ring Configuration | Dual Ring |
| Data Rate | 100 Mbps |
Additional Specifications
| Connector Type | Fiber Optic (e.g., MIC, SC) |
| Bus Type | PCI (likely) |
| Manufacturer | IBM |
Product Description
The IBM 93F0338 represents a Fiber Distributed Data Interface (FDDI) adapter card, a technology that was once a high-speed standard for local area networks, offering speeds of 100 Mbps. This particular adapter is configured for a dual-ring topology, which is a key feature of FDDI networks. The dual-ring setup provides inherent redundancy; if one ring fails, the network can reconfigure itself using the second ring, ensuring continuous operation and high availability for critical applications. This adapter card enables a computer system to connect directly to an FDDI network, typically utilizing fiber optic cabling for transmission. FDDI was known for its robustness and ability to handle significant network traffic, making it suitable for backbone connections in large enterprise networks or in environments where high-speed, reliable data transfer was paramount. The 100 Mbps speed, while surpassed by modern Ethernet standards, was a significant advancement at the time of FDDI's prominence. Designed for integration into servers or workstations, the IBM 93F0338 would have been used in environments requiring a high-performance and fault-tolerant network connection. Its dual-ring capability was a major selling point for mission-critical systems that could not afford downtime. While FDDI is largely obsolete today, adapters like this were essential components in the evolution of high-speed networking infrastructure.
