3Com 2226 PLUS Switch User Manual


 
74 CHAPTER 5: TROUBLESHOOTING
The Switch will perform automatic IP configu-
ration after you reset it. See “Automatic IP
Configuration on page 33 for more informa-
tion.
Forgotten Password
If you forget the password to the Web interface
after you set it, you will need to reset the
Switch to regain access. See
“Resetting to Fac-
tory Defaults on page 73 for instructions.
After resetting the Switch, log on to the Web
interface using the default admin account set
-
tings:
User name – admin
Password – blank (no password)
Forgotten Static IP Address
If you forget the static IP address that you
assigned to the Switch and you need to access
the Web interface, use the Discovery applica
-
tion to automatically detect the IP address and
connect to the interface.
For information on using the Discovery
application, refer to
Running the Discovery
Application on page 23.
Solving LED Issues
This section lists some issues that are related to
the LEDs on the front panel of the Switch. For
information on basic LED checks, refer to the
following topics in
Chapter 1:
(2) Gigabit Combo Ports (RJ-45/SFP)
(3) Link/Activity Status LEDs
(5) Power LED
A link is connected, but the Link/Activity
LED for the port is off.
There is a problem with this connection. Verify
that:
The device being connected to is powered
on and operating correctly.
The cable is connected at both ends.
The cable is not damaged.