Description
Bay Networks 5575c Token Ring Host Adapter 16/4 Mbps
The Bay Networks 5575c is a Token Ring host adapter designed to connect computers and workstations to Token Ring local area networks. This adapter supports both 16 Mbps and 4 Mbps Token Ring speeds, providing backward compatibility with legacy Token Ring infrastructure. The 5575c is a passive network interface card that routes data between a host computer and the Token Ring network, functioning as a critical connectivity component in enterprise networking environments.
Specifications & What's Included
- Manufacturer: Bay Networks
- Model: 5575c
- Type: Token Ring Host Adapter
- Data Rate: 16/4 Mbps (dual-speed capable)
- Interface: Token Ring network adapter
- Form Factor: Network adapter card
- Standards: IEEE 802.5 Token Ring
Applications
Token Ring host adapters like the Bay Networks 5575c were standard equipment in enterprise and institutional networks throughout the 1980s and 1990s, particularly in IBM-centric computing environments. These adapters connected desktop computers, workstations, and servers to Token Ring MAUs (Multistation Access Units) and larger network infrastructure. Token Ring was favored in controlled environments such as financial institutions, universities, and large corporations for its deterministic access method and superior performance in high-traffic conditions. Although Token Ring has been superseded by Ethernet technology, legacy systems and research installations still maintain Token Ring networks, making components like the 5575c valuable for preservation, maintenance, and restoration of historical computing infrastructure. This adapter is useful for anyone maintaining, restoring, or studying vintage Token Ring networks.
This Bay Networks 5575c Token Ring Host Adapter has been inspected and appears to be in good used condition. It was pulled from a working environment where it was previously in service. The unit shows normal wear consistent with its age and prior use. Please view our photo set and contact us if you have any questions.
Warranty Information
Additional Information
Brand: |
Bay Networks |
Model: |
5575c |
Type: |
Token Ring Host Adapter |
Data Rate: |
16/4 Mbps |
Interface Type: |
Token Ring |
SKU: |
14779 |
Country/Region of Manufacture: |
United States |
Form Factor: |
Network Adapter |
Condition Notes: |
Bay Networks 5575c Token Ring Host Adapter. Used, inspected condition. Pulled from working environment. Normal cosmetic wear. |