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Huawei / Remote Radio Units (RRU)

RRU3182E Equipment information & support

The Huawei RRU3182E is a high-power outdoor remote radio unit supporting 4G LTE multi-carrier wireless transmission, featuring an IP65 die-cast chassis and seamless integration with Huawei BBU3900/BBU3910 baseband units.

Equipment information

Brand
Huawei
Equipment model
RRU3182E
Equipment type
Remote Radio Units (RRU)
Controller / software version
Confirm against the installed equipment
View full product specifications
Huawei RRU3182E Remote Radio Unit (Multi-Band High-Power Outdoor Base Station Radio) - Official Front View

Information below comes from the current product catalogue. Confirm the controller, software version and configuration of the installed equipment separately.

Radio Frequency Channels
Multi-Channel Transceiver Topology
DC Operating Voltage Range
48V DC (-36V ~ -57V Wide Range)
Baseband Optical CPRI Ports
Dual SFP+ High-Speed CPRI Ports
Ingress Protection Rating
IP65 (Die-Cast Aluminum Sealed)
Thermal Dissipation Design
High-Surface-Area Passive Fin Cooling
Mounting Configuration Options
Pole-Mount & Wall-Mount Supported

Alarms & troubleshooting

AC_IN_FAIL / MAINS_LOST
Input Amber / Alarm Red solid
Utility grid failure, AC breaker tripped, or line voltage out of range
1. Measure incoming AC voltage with a multimeter; 2. Check input circuit breaker and upstream distribution; 3. System automatically soft-starts upon power restoration.
DC_OV_SHUTDOWN / LOCKOUT
Alarm Red solid, module output locked out
DC bus overvoltage or internal feedback sensor fault
1. Measure actual DC bus terminal voltage; 2. Cycle AC supply breaker to discharge capacitors and reboot; 3. Replace power module if fault recurs persistently.
FAN_FAIL / OVER_TEMP
Temp Yellow solid, fan halted or derated
Air intake dust blockage or fan bearing obstruction
1. Clean dust accumulation from intake grilles and filters; 2. Verify ambient room air conditioning is operational; 3. Replace cooling fan if rotation remains stalled.

Access Complete Maintenance & Full Alarm Troubleshooting Manual

This page lists high-frequency critical alarm codes commonly encountered in field maintenance. Comprehensive manufacturer troubleshooting matrices, board-level repair guides, detailed electrical schematics, and firmware commissioning manuals are delivered alongside equipment upon formal project procurement, accompanied by dedicated FAE technical support.

Contact Account Manager for Full Manual

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