Black Box 5000 - Manual (Page 242)

Multiserver 5000
240
Table E-2. CCM Indicator LEDs
INDICATOR STATUS EQUIPMENT STATUS
AT BO A6 A5 A4 A3 A2 A1
1 0 X X X X X X 1 Normal equipment status
0 0 1 0 0 0 0 0 ROM Test Failure (CommPak cartridge
failure)
0 0 0 0 0 0 0 1 CMOS Failure 2
0 0 0 0 0 0 1 0 Battery low 3
0 1 1 0 0 0 0 0 RAM Failure in Commpak cartridge
1 0 1 0 1 0 1 0 Parity error
1 1 1 1 1 1 1 1 CommPak cartridge not installed
properly or defective Multiserver unit
0 1 0 0 0 0 0 0 RAM Test Failure (CCM)
KEY
0 = LED off
1 = LED on
X = LED will change with the status of the Multiserver.
1
If A1 is configured as a link, it blinks on power-up with no established link. (The default setting is for A1 to be
configured as a link.)
2
System can still operate with CMOS failure. All configuration data has been lost in the affected CMOS section,
and default values have been supplied.
3
System can still operate with a low battery. Configuration data may be lost if the Multiserver loses power.