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Description
ETP4890-B6A1 subrack composed by 3xR4830N2 or R4830G1 1xSMU02B 1xUIM02C
6U height
Rectifier voltage input range of 85 V AC to 300 V AC
Output: -48V, 90A Max
Maximum output power when R4830N2s are configured: 4815 W
Maximum output power when R4830G1s are configured: 4800 W
Supports comprehensive battery management
Liquid crystal display (LCD) for display and operations
Web user interface (WebUI) for display and operations
Display in multiple optional languages, such as English, Chinese, Italian, French, Spanish, Portuguese, Russian, German, and Turkish
Hot swapping of rectifiers and the SMU
Apply for Huawei OLT, Huawei OSN, Huawei Router, and Huawei Switch.
ETP4890-B6A1 has three rectifier slots, that can support R4830N2 and R4830G1, three rectifiers are configured by default. It is an embedded telecom power system that supplies power to –48 V DC communications equipment with a maximum current of 90 A.
Tech Specs
| Technical Specifications | ||
| Category | Item | Specification |
| AC input | Input system | 220 V AC single-phase |
| Input frequency | 45-66 Hz (rated frequency: 50 Hz or 60 Hz) | |
| Power factor (PF) | > 0.99 (100% load; Ta = 25°C; Vin = 208 V AC, 220 V AC, or 230 V AC; 50 Hz/60 Hz) | |
| Total harmonic distortion (THD) | ≤ 10% (50%-100% load; Ta = 25°C; Vin = 208 V AC, 220 V AC, or 230 V AC; 50 Hz/60 Hz) | |
| DC output | Output voltage range | -42 V DC to -58 V DC |
| Default output voltage | -54 V DC | |
| Max. output power | When R4830N2s are configured: 4815 W When R4830G1s are configured: 4800 W |
|
| Regulated voltage precision | ≤ ±1% (compliance with the YDT1058) | |
| Peak-to-peak noise voltage | ≤ 200 mV (rated input voltage and load) | |
| Psophometrically weighted noise | ≤ 2 mV | |
| Current imbalance | ≤ ±5% (50%-100% load) | |
| Structure | Cabinet dimensions (H x W x D) | 263.9 mm x 482.6 mm x 270 mm |
| Weight | ≤ 20 kg (excluding three 30 A rectifiers and one SMU02B) | |
| Protection level | IP20 | |
| Installation mode | Horizontally installed in a 19-inch cabinet | |
| Cabling | Routed out from the front left and right side panels | |
| Maintenance mode | Maintained from the front | |
| Heat dissipation | Cools as the ambient temperature drops | |
| Configurations | ||
| Subrack | 4 U space for installing power distribution components 1 U space for monitoring unit 1 U space for installing rectifiers |
|
| PDU | AC power distribution: AC input circuit breakers and rectifier circuit breakers DC power distribution: battery low voltage disconnection (BLVD) circuit breakers and battery circuit breakers |
|
| SMU | SMU02B | |
| User interface module (UIM) | UIM02C | |
| Rectifier | A maximum of three R4830N2s or R4830G1s are configured to implement of N+1 redundancy | |
| Surge protective device (SPD) | AC SPD: Nominal discharge current: 20 kA, maximum discharge current: 40 kA (8/20 µs) | |
| DC SPD: Differential mode: 10 kA; common mode: 20 kA (8/20 µs) | ||
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