User's Manual

Red LED
State
Description Action
Flashes three
times
Card is doing a self test. Wait.
Off
1. The card is in service if the yellow LED
is of
f and the green LED is on.
2. The card has no power if all LEDs are
off.
1. No action.
2. Restore power.
Table 48: DMC8/DMC8-E yellow/green LED status
Yellow
LED
Status
Green
LED
Status
Description Action
Off Off Power down. Restore power.
On Off Hardware testing by boot
program.
Wait.
On On Wait for download command by
the boot program.
Wait.
On Loop‡ No valid main program found by
the boot program. Card is
continuously restarting.
Start firmware distribution with
the DECT
Manager.
Slow
flash†
On Faults caused by one of the
following:
• software download in progress
• software distribution in progress
• subscription or configuration
data is saving to the flash ROM
Wait.
Do not remove the card,
removal corrupts the
flashROM data.
Off Fast
flash††
Card is synchronizing to the
faceplate cable bus.
Wait.
Off Slow
flash†
1. Card has no PARI, or has an
incomplete PARI.
2. Card has detected an error.
1. Contact the technical
support group.
2. Replace the card. See
Removing and inserting a
DMC8 for maintenance on
page 275
.
Off On Card is in service. No action required.
Slow
flash†
Slow
flash†
Simultaneous occurrence of: Contact the technical support
group.
System maintenance
274 DMC DECT Fundamentals August 2012
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