Figure 5-2 Appearance of a -48 V power cable
Technical Specifications
The technical specifications of a -48 V return ground cable and a -48 V power cable are the
same, as listed in Table 5-1.
Table 5-1 Technical specifications of a -48 V return ground cable and a -48 V power cable
Specification
Description
Cable type Electrical cable
Color Black (-48 V return ground cable); blue (-48 V power cable)
Maximum current 110 A
DC resistance of the inner
conductor
0.78 ohms/km
Cross-sectional area of the
conductor
25 mm
2
or 16 mm
2
NOTE
The diameter and length of the DC power cable affect the power
supply of the device.
l The DC power line, whose length is shorter than 20 m and
whose cross-sectional area is 16 mm
2
, can meet the device
voltage requirement.
l The DC power line, whose length is longer than 20 m but shorter
than 32 m must have a cross-sectional area of 25 mm
2
to meet
the device voltage requirement.
5.1.2 DC Power Cable (Device)
DC power cable supplies power and ensures that the load works in the normal state.
SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Hardware Description
5 Cable
Issue 24 (2018-07-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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