3.14 PSU
Figure 3-29 PSU
(1) Power indicator (2) Alarm indicator (3) Fault indicator
(4) Locking latch (5) Handle
Function
● Converts AC power into 48 V DC power.
● Works reliably and
eciently.
Table 3-22 PSU function description
Item
Function
Hot swap Hot swappable
Input protection ● Protects against input overvoltage and undervoltage.
● Protects against input overcurrent.
Output protection ● Protects against output overvoltage.
● Protects against output short circuits.
● Protects against output current limiting.
Overtemperature
protection
Overtemperature protection
PowerCube 1000 (STC, Saudi Arabia, ICC800-A1-C2,
ESC800-A1)
Installation Guide 3 Component
Issue 02 (2021-09-28) Copyright © Huawei Technologies Co., Ltd. 45