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20 km Optical Fiber Spool with Integrated Media Converter for Reliable Data Transmission
The 20 km optical fiber spool with an integrated media converter is a professional solution for building secure long-distance data transmission lines. The system combines high-quality G.657A2 single-mode optical fiber, a durable reusable spool, and a built-in media converter that enables Ethernet transmission over an optical channel without the need for additional equipment.
Thanks to low signal attenuation, excellent bend resistance, and a wide operating temperature range, the system ensures stable communication in field, industrial, and specialized environments. The spool is suitable for data transmission networks, video surveillance systems, UAV control, telemetry, and mobile communication stations.
Advantages of the 20 km Optical Fiber Spool with Media Converter
Ready-to-Deploy Solution
The integrated media converter allows direct connection of network equipment and rapid deployment of a secure communication channel. Eliminating the need for external converters simplifies installation and reduces setup time.
Minimal Signal Loss
The spool utilizes advanced G.657A2 single-mode optical fiber characterized by extremely low attenuation:
- No more than 0.36 dB/km at 1310 nm;
- No more than 0.34 dB/km at 1383 nm;
- No more than 0.22 dB/km at 1550 nm;
- No more than 0.24 dB/km at 1625 nm.
These characteristics provide stable data transmission over the entire 20 km optical link.
Immunity to Electromagnetic Interference
Unlike copper cables, optical fiber is completely immune to electromagnetic interference, making the system suitable for operation near high-power electrical equipment and in electrically noisy environments.
High Mechanical Reliability
The dual acrylate coating provides additional protection against mechanical stress and ensures a long service life, even after repeated winding and unwinding of the spool.
Applications
- Field Ethernet networks;
- Secure communication lines;
- UAV control systems;
- High-definition video transmission;
- Telemetry systems;
- Command posts and mobile headquarters;
- Video surveillance systems;
- Industrial data transmission networks;
- Temporary telecommunication networks.
G.657A2 Single-Mode Optical Fiber
The spool is equipped with high-quality G.657A2 single-mode fiber featuring enhanced bend resistance. The cladding diameter is 125±0.7 μm, while the coating diameter is 245±10 μm. Low cladding non-circularity and precise core concentricity ensure stable signal transmission characteristics.
The mode field diameter is 8.6±0.4 μm at 1310 nm and 9.9±0.5 μm at 1550 nm, providing excellent transmission performance and minimal signal losses.
Stable Operation in Harsh Environments
The optical fiber maintains its characteristics within an operating temperature range from -60°C to +85°C. Additional attenuation after exposure to temperature cycling, high humidity, water immersion, and prolonged heating does not exceed 0.05 dB/km.
The system is suitable for operation under:
- Low-temperature conditions.
- High-humidity environments.
- Extended atmospheric exposure.
- Industrial facilities.
- Field deployment conditions.
Superior Bend Resistance
G.657A2 single-mode fiber demonstrates extremely low losses even at small bend radii.
Signal Loss Under Bending Conditions
| Test Conditions | Attenuation |
|---|---|
| 10 turns Ø30 mm, 1550 nm | ≤0.03 dB |
| 10 turns Ø30 mm, 1625 nm | ≤0.1 dB |
| 1 turn Ø20 mm, 1550 nm | ≤0.1 dB |
| 1 turn Ø20 mm, 1625 nm | ≤0.2 dB |
| 1 turn Ø15 mm, 1550 nm | ≤0.5 dB |
| 1 turn Ø15 mm, 1625 nm | ≤1.0 dB |
These characteristics allow the spool to be repeatedly deployed and rewound without degradation of the fiber's performance.
Integrated Media Converter
Ethernet Transmission over Optical Fiber
The built-in media converter enables reliable transmission of network traffic, video streams, and telemetry over optical fiber at distances of up to 20 km.
Easy Installation
The assembly represents a complete solution that does not require additional media converters or complex configuration.
High Interference Immunity
The optical channel ensures stable data transmission even in environments with strong electromagnetic interference.
Technical Specifications
| Specification | Value |
|---|---|
| Fiber Type | Single-mode G.657A2 |
| Maximum Link Distance | Up to 20 km |
| Interface | Ethernet ↔ Optical Fiber |
| Attenuation at 1310 nm | ≤0.36 dB/km |
| Attenuation at 1383 nm | ≤0.34 dB/km |
| Attenuation at 1550 nm | ≤0.22 dB/km |
| Attenuation at 1625 nm | ≤0.24 dB/km |
| Cladding Diameter | 125±0.7 μm |
| Coating Diameter | 245±10 μm |
| Mode Field Diameter (1310 nm) | 8.6±0.4 μm |
| Mode Field Diameter (1550 nm) | 9.9±0.5 μm |
| Operating Temperature | -60 to +85 °C |
| Coating Type | Dual Acrylate |
| Bend Resistance | Enhanced |
Why Buy a 20 km Optical Fiber Spool with an Integrated Media Converter?
The 20 km optical fiber spool with an integrated media converter combines high mechanical strength, low signal attenuation, and maximum resistance to external influences. The use of G.657A2 single-mode fiber guarantees stable communication even after repeated deployment and rewinding of the cable.
The ready-to-use design enables rapid deployment of a reliable communication channel for field networks, control systems, video surveillance, and specialized telecommunications applications where uninterrupted connectivity and signal stability are critical.