Huawei ATN 950B Hardware Description page 22

Multi-service access equipment

Table of Contents

ATN 950B Multi-service Access Equipment

Hardware Description

Figure 2-4 Appearance of the front panel of the PIU

Indicators

The following indicator is present on the front panel of the PIU.

PWR, green, which indicates the power supply status. When PWR is on and green, it indicates

that power is accessed.

For details on indications of indicators, see

Interfaces

The PIU accesses one power supply.

their respective usage. For cable corresponding to the interfaces, see

and Grounding

Table 2-2 Types and usage of the interfaces on the PIU

Interface on the Front

Panel

NEG(-)

RTN(+)

Label

Operation warning label: indicates the following precaution, which should be taken for removal

or insertion of the PIU board.

Issue 03 (2012-07-23)

Table 2-2

Cables.

Usage

-48 V power input interface

BGND power input interface

Huawei Proprietary and Confidential

Indicators.

lists the types of the interfaces on the PIU and

2 Power Supply System

9.1 Power Supply Cables

Table of Contents

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