3. Click Start Port Diagnostics. Port beaconing automatically initiates on the ports
that you choose for loopback diagnostics
seconds as displayed on the page.
Figure 6–7: Diagnostics test in progress
CAUTION: When disconnecting a fiber optic cable to install an external loopback plug,
make sure that you reconnect the cable to the same port after running the external
loopback test.
The port's amber LED continues to beacon during the test. If running an internal
loopback test, the green LED is off. If running an external loopback test, the green
LED is on. Test status displays in the message window and the results display in
the status area bar.
embedded web server user guide
Operating and Managing Products and Parts
(Figure
6–7). The test usually lasts 30
6–9