Huawei ATN 950B - Page 27

Table 2-6 Indicators for the monitoring module
Indicat
or
Indicatio
n
Color Normal
State
Abnorm
al State
Cause of Exception
RUN Running
indicator
Green Blinking
regularly
Off The monitoring module is
running abnormally.
Fast
blinking
Abnormal communication
ALM Alarm
indicator
Red Off On The EPS30-4815AF reports an
alarm.
Interfaces
Table 2-7 lists types and usage of the interfaces on the front panel of the EPS30-4815AF.
Table 2-7 Interfaces on the front panel of the EPS30-4815AF
Interface
Name
Numb
er of
Interfa
ces
Interface
Type
Description Remarks
AC INPUT 1 - 220 V AC power input
interface
-
RS232/RS485 2 RJ-45 RS232/RS485
communication interfaces.
The monitoring module
communicates with the
equipment, reports alarms,
and implements remote
control through these
interfaces.
The interface on the left is the
active interface and the
interface on the right is the
standby interface. The active
and standby interfaces cannot
be used at the same time.
Reserved interfaces
COM 1 DB50 The monitoring module is
connected to various sensors
through the COM interface.
Reserved interface
LOAD1 1 - Output interface for load 1 LOAD1 and LOAD2 provide DC
power for two PIUs. For how to
connect the load interfaces to the
PIUs, see the ATN 950B Installation
Guide.
LOAD2 1 - Output interface for load 2
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.
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