Introduction
ETP48400-C9A2 is an embedded telecom power system that supplies power to -48 V DC communications equipment with a maximum current of 400 A.
Model Number Description
Figure 2-1 shows the model number description for the ETP48400-C9A2.
Figure 2-1 Model number description for the ETP48400-C9A2
System Features
l Rectifier voltage input range of 85 V AC to 300 V AC.
l Comprehensive battery management.
l Network application over a fast Ethernet (FE) port and an RS485/RS232 port.
l Communication with Huawei NetEco or third-party network management systems (NMSs) over protocols such as the Simple Network Management Protocol (SNMP) and Hypertext Transfer Protocol Secure (HTTPS) to enable remote management and unattended working.
l Remote software upgrade.
l Liquid crystal display (LCD) for display and operations.
l Web user interface (WebUI) for display and operations.
l Display in multiple optional languages, such as English, Chinese, Italian, French, Spanish, Portuguese, Russian, German, Turkish, and Japanese.
l Hot swapping of rectifiers and the SMU.
l Rectifier power factor up to 0.99.
l A maximum of six lead-acid battery strings are supported in the lead-acid battery scenario.
l A maximum of nine lithium battery strings are supported in a lithium battery scenario.
System Configurations
Table 2-1 describes configurations of the ETP48400-C9A2.
Table 2-1 ETP48400-C9A2 configurations
Item | Configurations |
Subrack | l 3 U DC power distribution space l 1 U SMU l 2 U rectifier space l 3 U AC power distribution space |
PDU | l AC power distribution: AC input circuit breaker and AC output circuit breaker l 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: a 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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