Huawei S1700 Series Manual page 76

S1700 Managed Series Ethernet Switches
Product Description
Figure 5-10 Appearance of an S1720-28GFR-4TP
S1720-28GFR-4TP
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Issue 18 (2020-10-23)
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Twenty-four 10/100/1000BASE-T
ports
Two combo ports
(10/100/1000BASE-T
+ 100/1000BASE-X)
Modules applicable to combo
optical ports:
● FE optical module
● GE optical module
● GE-CWDM optical module
● GE-DWDM optical module
Reset button
NOTICE
To restore the factory settings of a
switch, hold down the Reset button for
at least 6 seconds. This operation will
not reset the switch.
To reset a switch, press the Reset
button.
Resetting the switch will cause service
interruption. Exercise caution when you
press the Reset button.
Copyright © Huawei Technologies Co., Ltd.
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10/100/1000BASE-T
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5 Hardware Structure
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1G 1G
Two 1000BASE-X Ethernet ports
Applicable modules:
● GE optical module
● GE-CWDM optical module
● GE-DWDM optical module
● GE copper transceiver module
One console port
NOTE
It is used with a console cable. The
console cable is not delivered with the
switch and needs to be separately
purchased if needed.
Mode switching button
NOTE
Press this button to change the mode
of service port indicators:
When you press this button once, the
service port indicators change to the
speed mode and show the speed of
each service port.
When you press this button again, the
service port indicators restore to the
default mode and show the connection
status of each service port.
If you do not press this button within
45 seconds, the service port indicators
restore to the default mode. In this
case, the SPED indicator is off.
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PWR
SYS
SPED
28 CONSOLE
RST MODE
1G
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