Comtech EF Data SDM-9220 - Manual (Page 73)

Hardware Installation
Memotec Inc. 4-31
tem Status LEDs” on page 5-4 .
NOTE: If the PWR LED does not light up or the STATUS LED is red at the end of
this sequence, the unit may be faulty. Contact Technical Support for assis-
tance (see
“Technical Support” on page 1-8 ). See also “Troubleshooting Tips”
on page 8-1 .
Stage PWR ST AL Current Status of the SDM-9220/9230
1 green blink blink Quick hardware test by the bootstrap. Blink-
ing and frequent changes of the STATUS
and ALARM LEDs occur during this stage
2 green red green Hardware initialization by the bootstrap
3 green red off Bootstrap is running. Preparing to start the
boot sector
4 green amber off Boot sector is running. Validating the applica-
tion
5 green amber amber Boot sector is running. Decompressing the
application
6 green off off Application has started from a power-on
red Application has started from a software reset
7 green green off Application has started from a power-on; at
least one link is up
red Application has started from a software reset;
at least one link is up
Table 4-4: Front Panel LED States During System Startup