The Passive Optical Fiber Expansion Equipment uses passive Wavelength Division Multiplexing (WDM) technology to transmit multiple different wavelength carriers simultaneously on a single fiber. This equipment addresses the shortage of optical fiber resources in C-RAN architecture, providing efficient fiber utilization and meeting the requirements for deep coverage and flexible network expansion. It is designed to be highly reliable and stable, ensuring long-term operation without the need for an external power supply.
Passive Optical Fiber Expansion Equipment
Description
Description: The Passive Optical Fiber Expansion Equipment uses passive Wavelength Division Multiplexing (WDM) technology to transmit multiple different wavelength carriers simultaneously on a single fiber. This equipment addresses the shortage of optical fiber resources in C-RAN architecture, providing efficient fiber utilization and meeting the requirements for deep coverage and flexible network expansion. It is designed to be highly reliable and stable, ensuring long-term operation without the need for an external power supply.
Key Features:
- Supports CWDM/DWDM: Provides flexible wavelength division multiplexing, accommodating both CWDM and DWDM technologies to maximize fiber utilization.
- Low Insertion Loss: Ensures minimal signal degradation, preserving the quality of the transmitted data.
- High Channel Isolation: Prevents cross-talk between channels, ensuring clear and accurate signal transmission.
- Upgradeable: Supports future expansions and upgrades, allowing the network to grow without major overhauls.
- Customizable Wavelengths: Offers tailored solutions to specific network requirements, ensuring optimal performance.
- High Reliability: Designed for stable operation in various environmental conditions, ensuring long-term performance and durability.
- No Power Supply Needed: Operates passively, reducing operational complexity and cost.
- Environmental Resistance: Built to withstand harsh environmental conditions, including temperature variations, dust, and moisture.
- Compact Design: Space-efficient design allows for easy integration into existing infrastructure.
25G Module
10G Module
Passive Fiber Expansion (1U)
| Parameter | Description |
|---|---|
| Optical Fiber Expansion Capacity | Single-fiber bidirectional: maximum expansion 9 times; Dual-fiber bidirectional: maximum expansion 18 times |
| Insertion Loss | <2~5 dB, depending on expansion capacity |
| Channel Isolation | >30 dB |
| Channel Spacing | 20 nm (CWDM), 0.8 nm (DWDM) |
| Supported Access Types | SDH, Ethernet, FC, PON, CPRI |
| Transmission Distance | 0~40 Km |
| Operating Temperature | -10℃+50℃ or -40℃+80℃ |
| Storage Temperature | -40℃~+85℃ |
| Relative Humidity | 5%~95% non-condensing |
| Connector Types | LC, FC, SC |
| Mechanical Durability | 1000 mating cycles |
| Dimensions | 1U Rack: 438 mm (W) × 44 mm (H) × 230 mm (D); Insert Module: 25 mm (W) × 130 mm (H) × 100 mm (D); Insert Module Chassis: 438 mm (W) × 132 mm (H) × 110 mm (D) |
| Weight | 1U Rack: ≤5 KG; Insert Module: ≤0.2 KG; Insert Module Chassis: ≤7 KG |
| MTBF | 130000 hours |
| Compliance | RoHS, REACH |
Product Classic Network Applications
Application 1: 5G Semi-Active SolutionThis solution requires the deployment of 5G semi-active equipment on the DU side and AAU side in a DU-AAU scenario. The semi-active equipment between the DU and AAU requires only two core fibers, providing one main and one backup line with 1+1 protection. The eCPRI optical interface of the DU and AAU uses the 25G colored light module.
Application 2: Passive SolutionThe passive solution requires deploying passive optical fiber expansion equipment between the BBU/DU pool and the RRU/AAU. Only one pair of fibers is needed between the passive optical fiber expansion equipment, and the CPRI interface of the RRU/AAU and BBU/DU uses the optical fiber expansion SFP colored light module.
Application 3: Active SolutionThe active solution requires deploying active optical fiber expansion equipment between the BBU/DU pool and the RRU/AAU. Only one pair of fibers is needed between the active optical fiber expansion equipment. There is no need to change the form of the original BBU/DU equipment and RRU/AAU equipment, and it supports mixed transmission of various types of services in a plug-and-play manner.
Application 4: OLP Optical Protection SchemeThe OLP optical protection scheme is used to protect the optical cable line. It requires adding OLP optical protection equipment at both ends of the optical transmission equipment while providing main and backup different routing lines. It can be used with dispersion compensation modules and amplifier modules, supporting dual-fiber bidirectional and single-fiber bidirectional transparent transmission, with standby fiber monitoring function, and switching time less than 20ms in case of failure, achieving fast optical line switching.
Application 5: OBP Optical Bypass Protection SchemeThe OBP optical bypass protection scheme is used to bypass a single site or single device failure, maintaining the connectivity of the entire network. It supports the heartbeat bypass function and amplifier bypass function, with a bypass time of less than 25ms in case of failure, achieving quick bypass during device failure or power outage.
Related products
The 5G Front-haul Semi-Active Equipment is specifically designed to address the challenges in deploying 5G base stations, such as insufficient optical cable resources, high construction costs, long construction periods, and difficult expansion. This equipment utilizes active WDM on the DU (Distributed Unit) side and passive WDM with colored light modules on the AAU (Active Antenna Unit) side to form a unified managed front-haul network. It features 1+1 protection and real-time monitoring, ensuring reliable and efficient operation in 5G networks.
The 1U Compact Wavelength Division Multiplexing (WDM) Equipment is designed to address the increasing demands for large-capacity distributed base stations and deep coverage in modern communication networks. This equipment effectively solves the problem of insufficient optical fiber resources in C-RAN (Centralized Radio Access Network) architecture by enabling flexible expansion and deep coverage. It supports both Coarse Wavelength Division Multiplexing (CWDM) and Dense Wavelength Division Multiplexing (DWDM) transmission, making it versatile for various applications.
