Zhongheng APR48-3G Rectifier Module
Zhongheng APR48-3G 1800W 33A Telecom Switched-Mode Rectifier Module (-48V DC Hot-Swap)
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Zhujiang SMPS1002H-I Rectifier Module
Zhujiang SMPS1002H-I Industrial Telecom Rectifier Module (-48V 20A 1000W)
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Cabinet AC 1500W
Outdoor Telecom Cabinet Industrial Air Conditioner AC 1500W (IP55 Door/Side Mount)
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Cabinet AC 600W
Compact Outdoor Telecom Cabinet Industrial Air Conditioner AC 600W
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DCDU-12B
Huawei DCDU-12B 1U Rack-Mounted DC Power Distribution Unit (10-Way MCB Circuit Protection)
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DPC 6U Embedded Telecom DC System
DPC 6U Embedded Telecom DC Power System (-48V 150A 19-inch Subrack)
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Engineering Guide: Telecom Rectifier Gold Finger Pinout, Standalone Jumpers, and CAN Bus Voltage Tuning
A comprehensive technical breakdown of 48V/50A rectifier modules (Huawei R4850G2 / ETP48400 architecture), covering blind-mate connector pinouts, standalone startup jumpers, CAN 2.0B hex commands for CV/CC adjustment, and active current sharing troubleshooting.
Huawei 100G QSFP28 LR4 Optical Transceiver: Cleaning Procedure, Optical Power Testing & Troubleshooting Guide
A comprehensive hands-on engineering guide to Huawei 100G QSFP28 LR4 optical transceivers. Covers fiber end-face inspection and dry/wet cleaning protocols, DDM optical power measurement limits, and step-by-step troubleshooting for multi-vendor switch interoperability.
Huawei R4850G2 Rectifier Pinout Definition, Standalone Startup & 53.5V Wiring Guide
A comprehensive practical guide for field telecom engineers: deciphering the gold-finger backplane pinout of Huawei R4850G2 (50A/3000W), standalone offline startup without controller, CAN bus voltage adjustment, and safety precautions.
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