Tadiran Telecom Emerald ICE Quick Installation Manual page 45

Emerald ICE Quick Installation Guide
17. Observe the System Status LED on each KSU next to the power switch. This LED fol-
lows LED DA2 on the CCB (Central Control Board) and indicates the status of the
main system processor. During the first power-up sequence (Cold-Start strap moved
to "Normal" position), default data (factory program) is loaded. A series of flash rates
occur during this process. When default is successfully loaded or whenever the sys-
tem becomes functional following a power failure, the CCB Heart-beat LED and Sys-
tem Status LED maintains a consistent fast flash rate.
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