Table 2-3 Parameters of the PSUs
Item Parameter
Dimensions (W x D x H) 194 mm x 226 mm x 20 mm ( 7.64 in. x 8.90
in. x 0.79 in.)
Weight 1 kg ( 2.21 lb )
Rated voltage -48 V DC or -60 V DC
Input voltage range -38 V DC to -72 V DC
Maximum input current 24 A
Maximum output power 905 W
Table 2-4 Description of the indicators on the PSUs
Indicator Name Description
OUT When the indicator is steady green, it indicates that the PSUs work
normally and supply stable power.
When the indicator is steady red, it indicates that the hardware of the
PSUs fails or the device is not supplied with power ranging from -48
V or -60 V.
When the indicator is off, it indicates that the PSUs are switched off
or the hardware of the PSUs is faulty.
IN
When the indicator is steady green, it indicates that the power input
is normal.
When the indicator is off, it indicates that the device is not supplied
with power ranging from -48 V or -60 V.
l Notes on DC power monitoring:
The DC power monitoring channel can implement real-time monitoring on power supply.
In addition, the DC power monitoring channel allows you to query the manufacturing ID,
input voltage, and temperature of the PSUs in real time, and supports real-time reporting
of power supply alarms.
l Notes on the configuration of DC power cables:
You do not need to connect protection ground cables to the PSUs, but the protection ground
cable for the chassis must be properly grounded. DC power cables include a -48 V power
cable and a return (RTN) ground cable. The required cable length depends on the distance
between the cabinet and the power distribution cabinet for the device. The DC power cables
need to be prepared according to the required lengths on site. For details of DC power cables
see 4.1 DC Power Cables.
HUAWEI NE40E-X1 & NE40E-X2 Universal Service
Router
Hardware Description 2 NE40E-X2 Hardware Description
Issue 02 (2011-09-10) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
28
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