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Description
9U height composed by 8xR4850G2 1xSMU02B 1xUIM02C
Rectifier voltage input range of 85 V AC to 300 V AC
Network application over a fast Ethernet (FE) port and an RS485/RS232 port
Supports Simple Network Management Protocol (SNMP)
Liquid crystal display (LCD) and Web user interface (WebUI) for display and operations
Display in multiple optional languages, such as English, Chinese, Italian, French, Spanish, Portuguese, Russian, German, Turkish and Japanese
A maximum of six lead-acid battery strings are supported in lead-acid battery scenario
A maximum of nine lithium battery strings are supported in lithium battery scenario
The ETP48400-C9A2 is an embedded telecom power system that supplies power to -48 V DC communications equipment with a maximum current of 400 A, supplies power to Huawei OSN8800 OSN3500 MA5800 and provides excellent performance such as comprehensive battery management, remote software upgrade, etc.
Tech Specs
| Technical Specifications | ||
| Operating temperature | –40°C to +65°C | |
| Transport temperature | –40°C to +70°C | |
| Storage temperature | –40°C to +70°C | |
| Operating humidity | 5%–95% RH (non-condensing) | |
| Storage humidity | 5%–95% RH (non-condensing) | |
| Altitude | 0 m to 4000 m | |
| (When the altitude ranges from 2000 m to 4000 m, the operating temperature decreases by 1°C for each additional 200 m.) | ||
| AC input | Input system | 220/380 V AC, three-phase, four-wire |
| Input frequency | 45–66 Hz (rated frequency: 50 Hz or 60 Hz) | |
| Power factor (PF) | ≥ 0.99 (rated input, with 100% loads) | |
| DC output | Output voltage range | –42 V DC to –58 V DC |
| Default output voltage | –53.5 V DC | |
| Maximum output power | 24000 W (supports N+1 backup; maximum total output current does not exceed 400 A; and long-term operating current output does not exceed 350 A). | |
| Regulated voltage precision | ≤ ±1% (The output voltage is within 53.5 V DC ±0.1 under 50% loads.) | |
| Peak-to-peak noise voltage | ≤ 200 mV (rated input voltage and 0%–100% load) | |
| Psophometrically weighted noise | ≤ 2 mV (300–3400 Hz; input power ≤ 264 V AC) | |
| Current sharing imbalance | ≤ ±5% (50%–100% load) | |
| AC input protection | AC input overvoltage protection threshold | ≥ 300 V AC |
| AC input overvoltage recovery threshold | 290 V AC–300 V AC | |
| AC input undervoltage protection threshold | ≤ 80 V AC | |
| AC input undervoltage recovery threshold | 80 V AC–90 V AC | |
| DC output protection | DC output overvoltage protection threshold | –58.5 V DC to –60.5 V DC |
| If overvoltage occurs inside a rectifier, the rectifier locks out. | ||
| If the external voltage is greater than -63 V DC for more than 500 ms, the rectifier locks out. | ||
| AC surge protection | Nominal lightning strike discharge current: 20 kA (8/20 µs); maximum lightning strike discharge current: 40 kA (8/20 µs) | |
| DC surge protection | Differential mode: 10 kA (8/20 µs); common mode: 20 kA (8/20 µs) | |
| AC power distribution | AC input: one 3-pole 100 A circuit breaker | |
| AC output: one 3-pole 63 A and three 1-pole 32 A circuit breakers | ||
| DC power distribution | BLVD route: two 1-pole 63 A, two 1-pole 32 A, and two 1-pole 16 A circuit breakers | |
| LLVD route: two 1-pole 80 A, two 1-pole 63 A, and six 1-pole 32 A circuit breakers | ||
| Battery route | Four 1-pole 125 A circuit breakers | |
| Safety | IEC/EN60950-1 and GB4943, TLC and CE certifications | |
| MTBF | 200,000 hours (at 25°C) | |
| Cabinet dimensions (H x W x D) | 397.3 mm x 482 mm x 330 mm | |
| Weight | ≤ 30 kg (excluding rectifiers) | |
| Protection level | IP20 | |
| Installation mode | Installed in a 19-inch rack | |
| Cabling | AC cables go in from the bottom, and DC cables go out from the top. | |
| Maintenance mode | Maintained from the front | |
| Heat dissipation mode | Natural heat dissipation | |
| System Configurations | ||
| Subrack | 3 U DC power distribution space | |
| 1 U SMU | ||
| 2 U rectifier space | ||
| 3 U AC power distribution space | ||
| PDU | AC power distribution: AC input circuit breaker and AC output circuit breaker | |
| DC power distribution: battery low voltage disconnection (BLVD) route, load low voltage disconnection (LLVD) route, and battery route | ||
| Rectifier | A maximum of eight R4850N2s, R4850G2s, R4850S1s or R4850N6s | |
| SMU | SMU02B | |
| User interface module (UIM) | UIM02C | |
| Surge protective device (SPD) | AC surge protection: nominal lightning strike discharge current of 20 kA (8/20 µs), maximum lightning strike discharge current of 40 kA (8/20 µs) | |
| DC surge protection: 10 kA (8/20 µs) in differential mode, 20 kA (8/20 µs) in common mode | ||
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