Installation guide

Page 166 of 206 Troubleshooting
553-3601-220 Standard 4.00 November 1998
Normal card LED behavior
The following two tables describe incidents affecting LED behavior that occur
after the system is operational.
Table 38 : Incidents affecting system LED
Incident Result
new card is added LED flashes as a new card is added to the live
system; the flashing indicates that the card
(and any associated TCM device) is initializing
(Flashing lasts approximately 30 seconds per
card); following initialization, LED is off
warm reset or power up occurs normal startup sequence followed by flashing
that continues until CMCC and all connected
expansion cards have completed initialization;
LED goes off and stays off
previous disconnected expansion card is
reconnected to a live system
LED flashes to indicate that the cards and any
associated TCM devices are initializing; after
initialization, LED turns off unless system
detects that the cards are not in the same
order as previously recorded (a non-
recoverable inconsistency), in which case
system is disabled and LED changes from
flashing to on until exception is cleared
Administration Terminal or Companion
Manager user disables system
LED goes on
system is powered up after being moved normal startup sequence followed by flashing
that continues until CMCC and all connected
expansion cards have completed initialization;
after flashing stops, LED is on solid, indicating
system is disabled due to config warning
system is powered up after any CMRC, CMLC,
or CMBC have been rearranged
normal start-up sequence followed by flashing
that continues until CMCC and all connected
expansion cards have completed initialization;
after flashing stops, LED is on solid, indicating
system disabled due to config failure