Distance from the PDF to
the Device
Power Cables a and b
Naked Crimping
Connector,JG2,34.3mm
2
,M
6(1/4"),134A,Tin Plated,
2AWG,Hole Center
Distance
15.875mm(5/8"),Short
Tube,for North American
Each cable should be
equipped with one terminal
of this type.
Naked Crimping
Terminal,OT,35mm
2
,M8,Tin
Plating,Naked Ring
Terminal
Each cable should be
equipped with one terminal
of this type.
Longer than 35 m
A PDF should be placed near the device.
Formula for calculating
cable cross-sectional area
S = ( I * L ) / 74
S: cross-sectional area
I: current flowing through the cable
L: distance from the PDF to the device
2.5.2.2 AC Power Distribution Guide
This section describes AC power distribution and AC cable matchings.
NOTE
If the customer uses a purchased three-core cable, the ground core does not need to be connected to the
ground terminal on the device. This is because the ground terminal on the device has already been
connected to a separate ground cable, ensuring that the device is properly grounded.
shows the AC power module EPS200-4850A. AC power input is converted into
regulated DC power through an AC/DC converter. The resulting DC power output is
connected to the PEMs through external cables to supply power to all boards and fan
modules.
HUAWEI USG9500 Series
Hardware Guide
2 Hardware Installation
Issue 03 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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