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HUAWEI USG9500 Series
Hardware Guide
Name
RUN indicator (green)
ALARM indicator (yellow)
FAULT indicator (red)
Buckle and ejector lever
The R4850G2 AC power module provides protection functions against:
l
l
l
l
l
l
Table 1-29
Table 1-29 Technical specifications of R4850G2 AC power module
Item
Model
Dimensions (Height × Width ×
Depth)
Issue 03 (2017-12-15)
Input overvoltage
Input undervoltage
Output overvoltage
Output current limiting
Output short circuit
Overtemperature
lists the technical specifications of the 4850G2 AC power module.
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Copyright © Huawei Technologies Co., Ltd.
Description
l Steady on: The power module is working
properly.
l Off: The power input or power module is faulty.
l Blink once every 2 seconds (0.5 Hz): The power
module is in manual query state. This is a normal
state, and no action is required.
l Blink four times every 1 second (4 Hz): The
power module is in program loading state. This is
a normal state, and no action is required. After the
program is loaded, the indicator blinks once every
2 seconds.
l Off: The power module does not have alarms.
l Steady on: The power module has encountered a
fault, such as overvoltage, undervoltage, or
overcurrent.
l Blink once every 2 seconds (0.5 Hz): The
communication of the power module has been
interrupted.
l Steady on: An unrecoverable fault occurs in the
power supply module, such as fan failure, no
output current, or short circuit of output current.
l Off: The power module does not have any faults.
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Description
R4850G2
40.8 mm x 105 mm x 281 mm
1 Hardware Overview
63
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