Bộ thu phát SFP+ DWDM công nghiệp LS-DW4010-40I cho hệ thống LTE

① Giới thiệu

In LTE and emerging 5G networks, optical connectivity forms the backbone of fronthaul and backhaul infrastructure. To meet rising data demands, operators rely on DWDM SFP+ transceivers that deliver high bandwidth, long-distance reach, and fiber efficiency.
This article explores how LINK-PP’s LS-DW4010-40I SFP+ DWDM Transceiver supports LTE systems through reliable, high-capacity optical links.

② Understanding LTE Fronthaul and Backhaul

Trong một hệ thống LTE network architecture, baseband units (BBUs) and remote radio heads (RRHs) are connected via optical fibers. These connections—known as fronthaul links—carry critical CPRI or eCPRI data between centralized and remote units.
As operators centralize BBUs in C-RAN (Cloud Radio Access Network) deployments, fiber resources become limited and transmission distances increase—making DWDM (Đa phân bước sóng dày đặc) an ideal technology for 10G SFP+ optical transceivers.

③ Why DWDM SFP+ Transceivers Matter in LTE Systems

1. Maximize Fiber Utilization
   DWDM enables multiple 10G channels over a single fiber pair, saving infrastructure costs and boosting scalability.

2. Long-Reach Transmission
   The LS-DW4010-40I hỗ trợ tối đa Mạng doanh nghiệp và nhà cung cấp dịch vụ khoảng cách xa reach on SMF, ideal for distributed LTE fronthaul and backhaul links.

3. Carrier-Grade Reliability
   Built for –40 °C to +85 °C operation, this industrial SFP+ module ensures stable performance in outdoor cabinets or tower sites.

4. CPRI/eCPRI Compatibility
   The transceiver supports protocols used in mobile fronthaul transport, ensuring smooth integration with LTE and C-RAN equipment.

5. DOM Monitoring
   Giám sát quang học kỹ thuật số (DOM) provides real-time diagnostics on transmit/receive power, temperature, and voltage—critical for carrier networks.

④ Product Spotlight: LINK-PP LS-DW4010-40I

Tham số	Thông số kỹ thuật
Hệ số dạng	SFP+ (Hot-Pluggable)
25Gbps	10 Gbps Max
Bước sóng	1545.32 nm (C-Band, 100 GHz Spacing)
Loại sợi	Cáp quang đơn mode (SMF)
Khoảng cách truyền dẫn	Lên đến 40 km
Loại đầu nối	Đầu nối LC/UPC hai chiều
Dải nhiệt độ hoạt động	–40 °C to +85 °C (Industrial Grade)
Hỗ trợ giao thức	SFP+ MSA, CPRI/eCPRI
Hỗ trợ DOM	Có
Tương thích	Switches, Routers, LTE BBUs/RRHs

The LINK-PP LS-DW4010-40I kết hợp high data throughput, DWDM channel density, and rugged industrial design, making it an excellent fit for telecom operators, OEM equipment vendors, and data transport integrators.

⑤ How DWDM SFP+ Modules Optimize LTE Deployment

Trong một C-RAN architecture, multiple RRHs connect to a central BBU pool. Using Mô-đun DWDM SFP+ như LS-DW4010-40I on each link allows operators to multiplex numerous 10G optical channels over one fiber pair via a DWDM Mux/Demux device.
This reduces the need for new fiber deployment while maintaining low latency, high throughput, and network scalability.

Example Scenario:

• Each RRH equipped with an LS-DW4010-40I transceiver connects back to a BBU pool 40 km away.

• A 100 GHz DWDM Mux/Demux combines up to 80 wavelengths on a single fiber pair.

• Operators monitor signal health via DOM for proactive maintenance and fault isolation.

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⑥ Benefits for LTE and Beyond

• Reduced OPEX and CAPEX through efficient fiber usage.

• Băng thông mở rộng quy mô for LTE-Advanced and 5G migration.

• Reliable connectivity in harsh industrial environments.

• Future-proof compatibility với eCPRI and Ethernet-based transport.

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⑦ Kết luận

The LINK-PP LS-DW4010-40I SFP+ DWDM Transceiver is a robust solution for LTE fronthaul and backhaul applications requiring long-distance, high-capacity optical connectivity.
Bộ 10G performance, DWDM channel flexibility, and industrial reliability make it a cornerstone component in modern C-RAN and LTE transport networks.