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Transition TR-CF-01(SM) Copper to Fiber RJ45 , ST Duplex Token Ring
- Media Converter: Copper to Fiber
- Network Type: Token Ring
- Copper Interface: UTP (RJ45)
- Fiber Interface: ST Duplex
- Converts between UTP and Fiber optic cabling
- Extends Token Ring network distance
- Provides EMI immunity for fiber segment
- Designed for legacy Token Ring environments
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Key specifications
See full specs ↓- Product Type
- Media Converter
- Network Protocol
- Token Ring
- Copper Interface
- UTP (RJ45)
- Fiber Interface
- ST Duplex
- Fiber Type
- Multimode (typical for ST)
- Max Fiber Distance
- 2km (for Multimode ST)
Product details
The Transition TR-CF-01(SM) is a Copper to Fiber media converter designed for Token Ring networks. It converts signals between a Token Ring UTP (RJ45) interface and a Token Ring fiber optic interface using ST duplex connectors.
Technical Information
| Product Type | Media Converter |
| Network Protocol | Token Ring |
| Copper Interface | UTP (RJ45) |
| Fiber Interface | ST Duplex |
Additional Specifications
| Fiber Type | Multimode (typical for ST) |
| Max Fiber Distance | 2km (for Multimode ST) |
| Form Factor | Standalone Converter |
| Part Number | TR-CF-01(SM) |
Description
The Transition TR-CF-01(SM) is a specialized media converter designed specifically for legacy Token Ring networks. It facilitates the transition between copper-based Token Ring connections, typically using an RJ45 connector for UTP cabling, and fiber optic connections. The fiber side utilizes ST duplex connectors, which were a common standard for fiber optic networking, allowing for both transmit and receive signals. This converter enables network administrators to extend the reach of their Token Ring networks beyond the limitations of copper cabling. By converting the electrical signals to optical signals, the network can span greater distances, often up to 2 kilometers for multimode fiber, and gain immunity to electromagnetic interference (EMI). This is particularly valuable in industrial settings or large facilities where copper cabling might be susceptible to noise or where longer cable runs are necessary. The 'SM' in the part number likely indicates 'Single Mode' or 'Small Form Factor', but given the commonality of ST connectors with multimode fiber for such converters, it's more probable that it refers to the ST connector type or a specific chassis/form factor. This device is crucial for maintaining and extending existing Token Ring infrastructure where replacement with newer network technologies is not immediately feasible.
Condition: Refurbished
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Typically 1–2 days handling, 3–7 days in transit.
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Government, enterprise, data center and small business.
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