38 Dell PowerConnect 55xx Systems User Guide
FILE LOCATION:  C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell 
Contax\CxUGHardware.fm
DELL CONFIDENTIAL – PRELIMINARY 9/11/12 - FOR PROOF ONLY
  NOTE: it is recommended to use HDMI cable version 1.4 
•Single USB Port
This port is used for firmware upgrade from a USB device. 
Buttons and LEDs
LEDs on Front Panel
Figure 3-2 shows the extreme, right-hand part of the front panel, which 
contains buttons and LEDs, in addition to ports.
Figure 3-2. Button/LED Panel
These LEDs are described in Table 3-1 and Table 3-2.
Reset Button
The PowerConnect 5500 switches have a reset button, located on the front 
panel that is used for manual reset (reboot) of the device. 
The single reset circuit of the switch is activated by power-up or low-voltage 
conditions.