
Observing the Power-On Self Test
2-4
If any error messages are displayed, report them to the
Allied Telesyn’s Technical Support (see Allied Telesyn’s website at
www.alliedtelesyn.com) or your reseller. The rest of the messages
are for your information only; no action is required.
Observing the
LEDs
You can verify proper operation by observing the LEDs. In Figure 2-1,
three LEDs are shown as examples.
Figure 2-1
FORMULA 8200 LEDs
Table 2-1 provides information about what the LEDs mean in various
states.
Status
Power
Reset
Link
DIAG
Activity
Collision
Activity
Collision
Link
DIAG
Status and Power LEDs TX LEDs FX LEDs
Table 2-1 FORMULA 8200 LED States
LED LED Color Status Action Required
System
Status
Indicator
Flashing
green
Normal operation None. LED should flash every second.
This
indicates that the switch is functioning
normally.
Solid green You probably cannot log in to
the switch. This indicates the
switch is locked up.
Reboot the switch.
Flashing
amber
Switch encountered
abnormal condition
Reboot the switch.
Solid amber Switch is still functioning, but
with problems; or boot is in
process.
Determine if the switch is in the boot
process; otherwise, reboot.
Power
Indicator
Solid green Normal operation when
power is applied.
None
Unlit There is no power to switch. Check the power plug and the state of
the on/off switch in the back of the unit.
If On, turn it off and reboot. If LED
remains unlit, replace the switch.
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