Cisco 550X Series Stackable Managed Switches Quick Start Guide 15
Reset Button
The switch can be reset by inserting a pin or paper clip into the Reset 
button opening on the front panel of the switch. See Returning the Cisco 
550X Series Stackable Managed Switches to the Factory Default 
Settings for details.
Back Panel
The power port and console port are located on the back panel of the 
switch.
Power—Connects the switch to AC power.
RPS Port—Connects the switch to the Cisco RPS2300 module. The Cisco 
RPS2300 can provide backup power to the switch when the main power 
supply has a failure.
Console—Connects a serial cable to a computer serial port so that it can 
be configured by using a terminal emulation program.
Returning the Cisco 550X Series 
Stackable Managed Switches to the 
Factory Default Settings
To use the Reset button to reboot or reset the switch, do the following:
• To   reboot the switch, press and hold the Reset button for less than ten 
seconds.
• To   restore the switch to its factory default settings:
– Disconnect the switch from the network or disable all DHCP 
servers on your network.
– With the power on, press and hold the Reset button for more than 
ten seconds.