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Transition C/T1E1-CF-01(SM) T1/E1 Media Converter RJ45 SC T1/E1 15km
- Media Conversion: T1/E1 (Electrical) to T1/E1 (Optical)
- Interface Type: T1 (1.544 Mbps) / E1 (2.048 Mbps)
- Fiber Connector Type: SC
- Fiber Type: Single-Mode Fiber (SMF)
- Maximum Distance: 15 km
- Supports standard T1/E1 framing and protocols
- LED indicators for status monitoring
- Provides electrical isolation and enhanced security over fiber
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Key specifications
See full specs ↓- Model
- C/T1E1-CF-01(SM)
- Brand
- Transition Networks
- Converter Type
- T1/E1 Fiber Media Converter
- Electrical Interface
- T1 (RJ48C) / E1 (RJ48C)
- Optical Interface
- T1/E1 Optical
- Fiber Connector
- SC
Product details
The Transition C/T1E1-CF-01(SM) is a T1/E1 media converter that bridges T1/E1 circuits over single-mode fiber optic cable. It converts electrical T1/E1 signals to optical signals for transmission up to 15km, providing a secure and extended-reach solution for telecommunications and data networking.
Technical Information
| Model | C/T1E1-CF-01(SM) |
| Brand | Transition Networks |
| Converter Type | T1/E1 Fiber Media Converter |
| Electrical Interface | T1 (RJ48C) / E1 (RJ48C) |
| Optical Interface | T1/E1 Optical |
| Fiber Connector | SC |
Additional Specifications
| Fiber Type | Single-Mode Fiber (SMF) |
| Fiber Wavelength | 1310nm (typical) |
| Max Distance | 15 km |
| Data Rate | 1.544 Mbps (T1) / 2.048 Mbps (E1) |
| Power Input | External power adapter (typically included or specified separately) |
Description
The Transition Networks C/T1E1-CF-01(SM) is a specialized media converter designed to extend the reach of T1 or E1 circuits over single-mode fiber optic cable. T1 and E1 are standard digital transmission rates used for voice and data services in telecommunications networks. This converter takes the electrical T1/E1 signal from a standard connector (typically RJ48C) and converts it into an optical signal for transmission over single-mode fiber, enabling connections over distances of up to 15 kilometers (approximately 9.3 miles). This device is crucial for applications requiring secure, long-distance transmission of T1/E1 traffic, such as connecting remote offices, cellular base stations, or extending leased lines. The use of fiber optics provides immunity to electromagnetic interference (EMI) and lightning surges, which are common issues with copper-based T1/E1 circuits, thereby enhancing reliability and data integrity. The SC connector is a robust and widely adopted standard for fiber optic connections. The converter supports standard T1 (1.544 Mbps) and E1 (2.048 Mbps) data rates and framing formats, ensuring compatibility with existing telecommunications equipment. It effectively acts as a transparent bridge, passing the T1/E1 signal without altering its content. The optical transmission also offers inherent security advantages over electrical transmission, as it is more difficult to tap into without detection. This makes the C/T1E1-CF-01(SM) an ideal solution for sensitive voice and data communications.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
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Get volume pricing and availability for C/T1E1-CF-01(SM).

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