• SFP+ Port (if present)—The small form-factor pluggable plus (SFP+) are connection points for modules
so that the switch can link to other switches. These ports are also commonly referred to as mini 10GigaBit
Interface Converter ports. The term SFP+ is used in this guide.
• The SFP+ ports (if present) are compatible with the following Cisco SFP 1G optical modules
MGBSX1, MGBLX1, MGBLH1, MGBT1, as well as other brands.
• The SFP+ ports are compatible with the following Cisco SFP 1G optical modules MGBSX1,
MGBLX1, MGBLH1, MGBT1, as well as other brands.
• The Cisco SFP+ Copper Cable modules that are supported in the Cisco switches are:
SFP-H10GB-CU1M, SFP-H10GB-CU3M, and SFP-H10GB-CU5M.
• The LEDs of the corresponding RJ-45 port flash green to respond to the SFP interface traffic.
• Small form-factor pluggable (SFP) ports are connection points for modules, so the switch can link to
other switches.
• Some SFP interfaces are shared with one other RJ-45 and SFP+ port, called a combo port. When the SFP
is active, the adjacent RJ-45 port is disabled.
• Reset button is used to reset or reboot the switch. To reboot the switch, press the Reset button for less
than 10 seconds.
Front Panel LEDs
The following are the global LEDs found on the devices:
• System—(Green) The LED lights steady when the switch is powered on, and flashes when booting,
performing self-tests, or acquiring an IP address. If the LED flashes Amber, the switch has detected a
hardware or firmware failure, and/or a configuration file error.
The following LEDs describe the stacking status of the unit.
• *Stack ID LED (Green) - The LED lights steady when the switch is stacked and the corresponding
number indicates its Stack ID.
• *Active Unit ID LED - indicating this is the stack active unit.
* These two LEDs are only available on certain models.
Note
• System LED - Every 20 seconds, the System LED will flash according to unit ID of the member unit.
• Flash = LED going off and then on again.
• According to unit ID of the unit. This means
• Unit 1 (if not active unit) - system LED will flash 1 time
• Unit 2 (if not active unit) - system LED will flash 2 times
• Unit 3 - system LED will flash 3 times
• Unit 4 -system LED will flash 4 times;
Get To Know Your Switch
10
Get To Know Your Switch
Front Panel LEDs
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