Huawei S1700 Series Manual page 140

S1700 Managed Series Ethernet Switches
Product Description
5
7
Indicators
The indicator description for S1720-52GFR-PWR-4P is the same as that for
S1720-28GWR-PWR-4X. For details, see the indicator description for
S1720-28GWR-PWR-4X.
Power Supply Configuration
The S1720-52GFR-PWR-4P has a built-in power module and does not support
pluggable power modules. The built-in power module can provide 370 W PoE
power, which ensures full PoE power on 24 ports in compliance with 802.3af or on
12 ports in compliance with 802.3at.
Heat Dissipation
The S1720-52GFR-PWR-4P has two built-in fans for forced air cooling. The airflow
direction is left-to-right.
Technical Specifications
Table 5-32
Table 5-32 Technical specifications
Item
Memory (RAM)
Flash
Mean time
between failures
(MTBF)
Mean time to
repair (MTTR)
Availability
Service port
surge protection
Issue 18 (2020-10-23)
Ground screw
AC power socket
NOTE
It is used with an AC power cable.
lists technical specifications of the S1720-52GFR-PWR-4P.
Description
512 MB
512 MB in total, 240 MB available for customers
38 years
2 hours
> 0.99999
Common mode: ±7 kV
Copyright © Huawei Technologies Co., Ltd.
6 Jack reserved for AC power cable
locking strap
NOTE
The AC power cable locking strap is not
delivered with the switch.
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5 Hardware Structure
106