DEC DECNIS 600, Installation And Service Manual

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6.10 Monitor the Card LEDs
LKG–5669-91I
Processor card
Memory card
READY LED
(Green)
FAULT LED
(Yellow)
FAULT LED
(Yellow)
On power up, the READY LED on the processor card flashes (one flash per
second). This indicates that the card is running its module self-test.
After 30–40 seconds, its READY LED should remain lit to indicate that the
test was successful. Then, the memory card starts its module self-test and its
READY LED flashes (one flash per second).
The DECNIS 600 activates a module self-test on the processor card, memory
card, and the Network Interface Cards each time that the system is powered
up.
6–14 Installing Upgraded Processor or Memory Cards