ETP4890-B2A1 power converter with 3xR4830G 1xSMU01B

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ETP4890-B2A1 subrack composed by 3xR4830G 1xSMU01B

Rectifier voltage input range of 85 V AC to 290 V AC

HVDC input range of 300 V DC to 400 V DC

Maximum output power: 6000 W

Provides comprehensive battery management

Hot swapping of rectifiers and the SMU

The SMU01B supports access network master/slave protocols, which allows Huawei to access network communications equipment to connect to the U2000.

Apply for Huawei OLT, Huawei OSN, Huawei Router, and Huawei Switch.


ETP4890-B2A1 supports a maximum of three R4830G1s rectifiers. It is an embedded telecom power system that supplies power to –48 V DC communications equipment. It has a maximum output current of 90 A.

Tech Specs
Technical Specifications
Category Item Specification
Input Input system Single-phase AC input: 85–290 V AC
HVDC input: 300–400 V DC
Input frequency 45-66 Hz (rated frequency: 50 Hz or 60 Hz)
Power factor (PF) ≥ 0.99 (rated input, with loads)
DC output Output voltage range -42 V DC to -58 V DC
Default output voltage -53.5 V DC
Max. output power 6000 W
Regulated voltage precision ≤ ±1%
Peak-to-peak noise voltage ≤ 200 mV (rated input voltage and load)
Unbalance of load sharing ≤ ±5% (with 50% to 100% loads)
Structure Dimensions (H x W x D) 86.1 mm x 535.1 mm x 255 mm
Weight ≤ 10 kg (without rectifiers and SMU)
Protection level IP20
Installation mode Equipped with mounting ears to adapt to ETS cabinets
Cable routing Routed from the front
Maintenance mode Maintained from the front
Heat dissipation mode Natural heat dissipation
Applicable environment Indoor Class B
DC power distribution DC output: one 10 A and three 30 A DC load routes
Battery: one 40 A battery route
Rectifier A maximum of three R4830G1s
Site monitoring module (SMU) SMU01B
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