Huawei S1700 Series Manual page 119

S1700 Managed Series Ethernet Switches
Product Description
Display
Mode
PoE
Power Supply Configuration
The S1720-28GWR-PWR-4X 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 S1720-28GWR-PWR-4X has two built-in fans for forced air cooling. The
airflow direction is left-to-right.
Technical Specifications
Table 5-27
Issue 18 (2020-10-23)
Color Status
Green Steady on
Green Blinking
- Off
Green Steady on
Yellow Steady on
Yellow Blinking
Green Blinking
and green
yellow and
yellow
alternatel
y
lists technical specifications of the S1720-28GWR-PWR-4X.
Copyright © Huawei Technologies Co., Ltd.
Description
10M/100M/1000M port: The port is
operating at 10/100 Mbit/s.
1000M/10GE port: The port is operating
at 1000 Mbit/s.
10M/100M/1000M port: The port is
operating at 1000 Mbit/s.
1000M/10GE port: The port is operating
at 10 Gbit/s.
The port is not providing power to a PD.
The port is providing power to a PD.
The PoE function is disabled on the port.
The port stops providing PoE power
because of an exception (for example, an
incompatible PD is connected to the
port).
● The power of the PD exceeds the
maximum power or power threshold
of the port.
● The total power consumption of PDs
has reached the maximum power of
the switch.
● The manual power management
mode is used and the port is not
enabled to provide power to the PD.
5 Hardware Structure
85