ZTE ZXD3000 (V5.6)
ZTE ZXD3000 (V5.6) Gold-Efficiency Flagship Telecom Rectifier (-48V 50A 96.2%)
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ZTE ZXD800 (V4.0)
ZTE ZXD800 (V4.0) Compact Telecom Rectifier Module (-48V 15A 1U)
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ZTE ZXSDR B8200
ZTE ZXSDR B8200 Baseband Unit (BBU)
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ZTE ZXSDR B8300 BBU Unit
ZTE ZXSDR B8300 Multi-Mode Baseband Unit (3U Rack-Mount BBU Chassis)
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ZTE ZXSDR R882A S8500
ZTE ZXSDR R882A S8500 Remote Radio Unit
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ZTE ZXSDR R8862 S9000
ZTE ZXSDR R8862 S9000 Remote Radio Unit
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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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