Display
Mode
Color Status Description
Green Steady on 10M/100M/1000M port: The port is
operating at 10/100 Mbit/s.
1000M/10GE port: The port is operating
at 1000 Mbit/s.
Green Blinking 10M/100M/1000M port: The port is
operating at 1000 Mbit/s.
1000M/10GE port: The port is operating
at 10 Gbit/s.
PoE - O The port is not providing power to a PD.
Green Steady on The port is providing power to a PD.
Yellow Steady on The PoE function is disabled on the port.
Yellow Blinking The port stops providing PoE power
because of an exception (for example, an
incompatible PD is connected to the
port).
Green
and
yellow
Blinking
green
and
yellow
alternatel
y
● 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.
Power Supply Conguration
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
airow direction is left-to-right.
Technical Specications
Table 5-27 lists technical specications of the S1720-28GWR-PWR-4X.
S1700 Managed Series Ethernet Switches
Product Description
5 Hardware Structure
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