Huawei ATN 950B - Page 24

Figure 2-5 Appearance of the EPS30-4815AF
CAUTION
The interface on the monitoring module is reserved. Do not use the interface on the monitoring
module; otherwise, the EPS30-4815AF will be reset or damaged.
Table 2-4 Components of the EPS30-4815AF
Component
Description
Rectifier modules Converts AC power to DC power. The EPS30-4815AF can be
configured with one or two rectifier modules.
Monitoring module Monitors the EPS30-4815AF and storage batteries. Two RS232/
RS485 communication interfaces and one DB50 interface are
reserved on the monitoring module.
AC/DC power distribution
frame
Provides an interface for inputting AC power, two load
interfaces, and an interface for connecting to the storage
batteries, and the fuses that can be replaced.
Functions
Functions of the EPS30-4815AF are as follows:
l Provides an interface for inputting AC power to provide 220 V AC power to the equipment.
l Provides two hot-pluggable rectifier modules to convert AC power to DC power. The two
rectifier modules work at the same time in load-sharing mode and they are hot backups for
each other.
ATN 950B Multi-service Access Equipment
Hardware Description 2 Power Supply System
Issue 03 (2012-07-23) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
15