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AT8901M
Table 3-17: ATCA LEDs Signification
LED
ATCA LED3 (HB) (amber/green)
ATCA LED2 (HY) (green/amber)
ATCA LED1 (OOS) (red/amber)
ATCA BLUE LED (H/S)
Figure 3-4: Backplane Switch LEDs Signification
Table 3-18: Backplane Link LEDs Signification
STAT/ACT LEDs 1-16
OFF
Link Down
ON
Link Up and no activity
BLINK
Link Up and activity
The four front panel ATCA LEDs (ATCA LEDs 1 to 3 and the Blue LED alongside the AMC slots)
display the board's health and hotswap status (see table 3-17). LED1 of the User LEDs (see
figure 3-4) and the 16 STAT/ACT LEDs give status information for the base switch and its links.
User LED2 is always lit. The other two User LEDs and the LED push button do not have any
function.
Signification
User definable
On=Healthy (PPC/IPMC), Blink=Sensor out of range
On=Out of Service (PPC/FUM)
Blink=Firmware Update in Progress or Power denied
On=Ready for Hot Swap (IPMC)
Blink=Hot Swap in Progress
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Hardware Description
AT8901M User Guide
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