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IBM 69X7856 1 x Port DB-9 4Mbit/s Token Ring ISA Micro Channel Adapter
- 1 x Port DB-9 Connector
- 4Mbit/s Token Ring Speed
- ISA Micro Channel Interface
- Designed for IBM Systems
- Legacy Network Connectivity
- Specific for Token Ring Networks
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Product Overview
The IBM 69X7856 is an adapter card designed for legacy IBM systems, specifically for Token Ring networking. It features a single DB-9 port and operates at 4Mbit/s, utilizing the ISA Micro Channel bus for integration. This adapter is intended for older IBM server or workstation environments requiring Token Ring connectivity.
Technical Information
| SKU | 69X7856 |
| Brand | IBM |
| Port Type | DB-9 |
Additional Specifications
| Network Type | Token Ring |
| Speed | 4Mbit/s |
| Interface | ISA Micro Channel |
Product Description
The IBM 69X7856 adapter card is a specialized component for establishing Token Ring network connections within compatible IBM computer systems. Token Ring was a popular networking technology, particularly in enterprise environments, known for its deterministic access method and robust performance. This adapter provides a single DB-9 port, which is the standard connector for many legacy networking technologies, including Token Ring. Operating at a speed of 4 Megabits per second (4Mbit/s), this card is designed for environments that still rely on or require compatibility with older Token Ring infrastructure. The interface used by this adapter is the ISA Micro Channel, a bus architecture developed by IBM that was prevalent in their PS/2 line of computers and some server models. This specific interface dictates the type of system this card can be installed in, limiting its use to systems equipped with compatible Micro Channel slots. This adapter is a critical piece of hardware for maintaining or migrating legacy IBM systems that depend on Token Ring networking. Its specific design for IBM's Micro Channel architecture means it is not interchangeable with standard PCI or PCIe slots found in modern computers. For organizations with existing Token Ring networks or those needing to access data from such networks, the IBM 69X7856 serves a niche but essential purpose.
