ATM Tips
Issue 1 May 2002
4-29
555-233-143
shows the various LEDs on the A500 ATM switch and the meanings of
the different states.
N/S
Fast blink
–
Running DSP diagnostics or downloading code to DSPs
(typical during boot process).
–
Slow blink
–
Board insertion has not yet completed.
–
Steady on
–
Running maintenance tests. May appear to be blinking
if several short tests are run one after another.
Steady on
–
–
Hardware alarm. Does not necessarily take the
TN230X out of service, for example, if one of the 24
DSPs fails diagnostics.
Table 4-5.
A500 LED Quick Reference
Component
Label
Color
State
Meaning
Switch
Processor
Board
LK
Green
Intermittent
blink
Normal state. Traffic is being sent or received
over the Ethernet LAN link.
RX
Green
Steady on
Normal state. Carrier is received over the
Ethernet LAN link.
DIAG
Green
Off
Normal state.
NBOOT
Green
Off
Normal state.
MGT
Green
Off
Normal state.
RUN
Green
Steady on
Normal state. The switch processor is
running.
PWR
Green
Steady on
Normal state. The switch processor board is
powered up.
VOLT
Amber
Off
Normal state
TEMP
Amber
Off
Normal state
FAN
Amber
Off
Normal state
SYSER
R
Amber
Off
Normal state
FAULT
Amber
Off
Normal state
Continued on next page
Table 4-4.
TN230X LED reference
—
Continued
LED color
Interpretation
Red
Green
Amber
Continued on next page
Summary of Contents for S8700 Series
Page 50: ...Maintenance Architecture 555 233 143 1 26 Issue 1 May 2002 ...
Page 74: ...Initialization and Recovery 555 233 143 3 12 Issue 1 May 2002 ...
Page 186: ...Alarms Errors and Troubleshooting 555 233 143 4 112 Issue 1 May 2002 ...
Page 232: ...Additional Maintenance Procedures 555 233 143 5 46 Issue 1 May 2002 ...
Page 635: ...status psa Issue 1 May 2002 7 379 555 233 143 status psa See status tti on page 7 406 ...
Page 722: ...Maintenance Commands 555 233 143 7 466 Issue 1 May 2002 ...