ZXD030S480
ZTE ZXD030S480 Compact High-Efficiency Telecom Switch-Mode Rectifier Module (-48V 30A 1600W)
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ZXD3000 (V5.8)
ZTE ZXD3000 (V5.8) 50A High-Efficiency Telecom Rectifier Module
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ZXD5000 V5.0
ZTE ZXD5000 V5.0 Telecom Carrier-Grade High-Power Switch-Mode Rectifier Module (-48V 100A 5000W)
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ZXD5000 V6.0
ZTE ZXD5000 V6.0 Fully Digital Mega-Power Telecom Switching Rectifier (-48V 100A 5000W)
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ZXD800 4.0
ZTE ZXD800 4.0 Compact High-Efficiency Telecom Switch-Mode Rectifier Module (-48V 15A 800W)
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ZXDU58 B900
ZTE ZXDU58 B900 Floor-Standing Telecom DC Power Cabinet System (-48V 900A 2.0m)
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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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