Huawei DBS3900 IBS, Hardware Description, Page: 17 / 28

DRH3980A&3909A&3918A&
3918B&3921A&3921B&3926A
Hardware Description
3 DRH Cables
Issue DraftA (2013-08-10) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd..
11
Exterior
Quote the corresponding extension package if you want to purchase DRH power cables of the following
lengths:
 Longer than 50 m (164.04 ft) and shorter than or equal to 100 m (328.08 ft)
 Longer than 100 m (328.08 ft) and shorter than or equal to 150 m (492.12 ft)
There are two types of DRH power cables in terms of cross-sectional areas: 3.3 mm
2
(0.005
in.
2
) (12 AWG) complying with North American standards and 4 mm
2
(0.006 in.
2
) complying
with European standards. An DRH power cable has a tool-less female connector (pressfit type)
at one end and a bare wire at the other end. A corresponding terminal is added to the bare wire
based on the requirements of the connector on the external power device, as shown in
Figure
3-3 .
Figure 3-3 DRH power cable
Pin Assignment
Table 3-2 lists the specifications of a DRH power cable.
Table 3-2 Specifications of a DRH power cable
Cable Wire Wire Color in Most
Regions Wire Color in Other Regions
North
American
Standard Europea
n
Standar
d
UK
DRH
power
cable RTN(+) Black Brown Blue
NEG(-) Blue Blue Gray