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41H8452 - IBM Auto 16/4 ISA Token-Ring Adapter
- 1 x RJ-45 Port (Token Ring)
- 1 x DB-9 Port (Serial)
- Token Ring Network Adapter
- Supports 16/4 Mbps Token Ring speeds
- PCI ISA Bus Interface
- Combines networking and serial connectivity
- Designed for legacy IBM systems
- Used in environments requiring both Token Ring and serial interfaces
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Key specifications
See full specs ↓- Product Type
- Network Adapter
- Network Technology
- Token Ring
- Port Types
- 1 x RJ-45, 1 x DB-9
- Token Ring Speed
- 16/4 Mbps
- Bus Interface
- PCI ISA
- Manufacturer
- IBM
Product details
The IBM 41H8452 is a specialized network adapter that combines Token Ring connectivity with a serial port. It features one RJ-45 port for Token Ring networking (supporting 16/4 Mbps) and one DB-9 port, likely for serial communication or management purposes. This adapter uses a PCI ISA bus interface, indicating compatibility with older IBM systems.
Technical Information
| Product Type | Network Adapter |
| Network Technology | Token Ring |
| Port Types | 1 x RJ-45, 1 x DB-9 |
Additional Specifications
| Token Ring Speed | 16/4 Mbps |
| Bus Interface | PCI ISA |
| Manufacturer | IBM |
Description
The IBM 41H8452 is a unique and specialized adapter card designed for older IBM computer systems, particularly those that utilize the PCI ISA bus architecture. This card serves a dual purpose: it provides connectivity to a Token Ring network and includes an additional serial port, typically a DB-9 connector. This combination suggests its use in environments where both legacy networking and serial device communication were required simultaneously. The Token Ring functionality is delivered through a single RJ-45 port, supporting the standard 16 Mbps and 4 Mbps data rates characteristic of Token Ring networks. This allows the host system to participate in a Token Ring LAN. The inclusion of a DB-9 serial port is noteworthy, as it could be used for various purposes such as connecting to modems, console servers, diagnostic equipment, or other serial peripherals that were common in enterprise environments of that era. Given its PCI ISA bus interface, the IBM 41H8452 is intended for installation in older IBM machines that feature this specific expansion slot type. The combination of Token Ring and serial ports makes it a niche product, likely deployed in specific industrial, scientific, or legacy enterprise settings where maintaining connectivity to both types of networks and devices was essential. Its presence indicates a need for integrated solutions in environments that were transitioning or maintaining older infrastructure.
Condition: Refurbished
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