Huawei NetEngine40E Hardware Description

HUAWEI NetEngine40E Universal ServiceRouter
Hardware Description
E DPD300-4-12 Power Distribution Box, Dual-Two
Inputs
Issue 01 (2012-09-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
738
Physical Parameters
Table E-1 Physical parameters
Item
Description
Dimensions (W x D x H)
442 mm × 638.8 mm × 263.9 mm
Installation platform
Huawei N68E cabinet
Weight
30kg
DC input
voltage
Rated voltage
-48V
Maximum
voltage range
-72V～-40V
Input
Maximum
current
4×300A
Output
Maximum
current
12×100A
Air breaker
Changeable
20A～100A
Ambient
temperature
Long term
0°C～40°C
Short term
-5°C～50°C
Storage temperature
-40°C～70°C
Ambient
humidity
Long term
5% RH to 85% RH, no condensing
Short term
5% RH to 95% RH, no condensing
Relative storage humidity
0% RH to 95% RH, no condensing

The measurement point of the temperature and humidity is 1.5 m above the floor and 0.4 m in front
of the rack that has no protective plates in front of and after the cabinet.

The short term in the preceding table refers to a maximum of 96 consecutive working hours or a
maximum of 15 accumulated working days each year.
Circuit Principle

When NEG A1(-) is shorted-circuited to NEG A2(-) and NEG B1(-) is shorted-circuited to NEG
B2(-), the power distribution box will provide two input lines and 12 output lines.

The changed output power must be larger than or equal to the rated power of the device that is
powered by the power distribution box.
Figure E-3 Circuit principle

Huawei NetEngine40E Specifications

General

Brand	Huawei
Model	NetEngine40E
Category	Network Router
Language	English