Table 3-2 Protection functions of the HW-100-48AC14D
Item Minimu
m Value
Typical
Value
Maximu
m Value
Remarks
Input
protecti
on
Input
undervolta
ge
protection
- - 62 V Input voltage can be
restored to the normal
range automatically.
Input
undervolta
ge recovery
- - 80 V Hysteresis is not smaller
than 5 V.
Output
protecti
on
Output
overvoltag
e protection
51 V - 58 V Output voltage can be
restored to the normal
range automatically.
Output
overcurrent
protection
2.5 A 3 A 3.5 A Output current can be
restored to the normal
range automatically.
Output
short-
circuit
protection
- - - Output short-circuit can be
recovered automatically.
Overheating protection - - - When temperature exceeds
the upper limit, the power
supply unit automatically
shuts down to avoid
permanent damage. No
smoke will be generated.
Temperature is reduced
below 55°C (131°F).
Appearance
Figure 3-7 shows the appearance of the HW-100-48AC14D.
Huawei AR1200&2200&3200 Series Enterprise Routers
Hardware Description 3 Power Supply Units
Issue 03 (2012-04-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
36
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