R48-2000E3 BML440033/1 is a 2000W communication power rectifier produced by Emerson/Vertiv, supporting wide voltage input, high power factor, and efficient power conversion, suitable for various industrial and communication equipment requiring -48V DC power.

R48-3500e BML 440 066/1 is a high-performance 48V communication powerifier module launched by Emerson Network Energy (later belonging to Vertiv). It is widely used in telecommunications rooms, data centers, and base stations. It is renowned for high efficiency, high power density, and high reliability, supports hot plugging and intelligent current balancing, and is compatible with a variety of monitoring systems.

HUAWEI R4875G1 (part number 02312JLE-001) is a high-performance highly reliable 4000W communication power rectifier module, featuring high efficiency, energy saving, wide temperature operation, intelligent monitoring, and hot-swappable capabilities, it ideal for various communication and industrial scenarios requiring stable -48V DC power supply.

HUAWEI TN11WMU01 is a part of Huawei's OptiX OSN 880 optical transmission equipment, which is mainly used in backbone, regional/provincial backbone and some urban core sites, and can build end-to-end OTN/WDM transmission solutions for customers.

 

TN13OLP04 is a type of optical line protection (OLP) single board made by Huawei. It can use the dual-trans and single-receiving function in optical communication networks to provide protection for the line optical fiber, ensuring that services do not interrupt when there is a fault in one of the service routes.