DEC DECNIS 600, Installation And Service Manual

Page: 54 / 288

On power up, testing takes place in the following order:
1. The READY LEDs on the processor card and Network Interface Cards flash
on and off (one flash per second), indicating that the cards are running
module self-test:
LKG–5652–91I
Processor card
Memory card
READY LEDs
flashing
The memory card is not tested (no LEDs lit) until the processor card has
successfully completed its module self-test.
When the processor card has passed module self-test, its READY LED
remains lit and the memory card starts module self-test. The memory
card’s READY LED flashes (one flash per second) to indicate that testing is
in progress.
4–6 Testing the Installed System