5
Card
LED
LED status
Description
RUN: Flashing green (once
per second)
The system has started up and is
operating correctly.
Power
supply
Power supply LED
Steady green
The power supply is operating
correctly.
Fan tray
Fan tray LED
OK/FAIL: Steady green
The fan tray is operating correctly.
OK: On
FAIL: OFF
The fan tray is operating correctly.
SR8800-X-S/SR8800-F LEDs
Table 3 Descriptions for SR8800-X-S/SR8800-F LEDs indicating a normal state
Card
LED
LED status
Description
MPU
CF card status LED
(CFS)
On
The CF card is present and idle. Do not
hot swap it.
Flashing
The CF card is performing read/write
operations. Do not hot swap it.
Card status LED
(SLOT)
RUN/ALM: Flashing green
(once per two seconds)
The card is operating correctly.
RUN/ALM: Fast flashing green
(four times per second)
The service module is loading
software.
RUN/ALM: Steady red
The card might be starting up.
RUN: Flashing
ALM: Off
The card is operating correctly.
RUN: Fast flashing (four times
per second)
ALM: On
The service module is loading
software.
RUN: On
ALM: On
The card might be starting up.
MPU status LED
(ACT)
Off
The MPU might be operating in
standby mode.
On
The MPU is operating in active mode.
Fan tray status LED
(FAN)
OK: On
FAIL: OFF
All fan trays are operating correctly.
OK/FAIL: Green
All fan trays are operating correctly.
Power status LED
(PWR)
OK: On
FAIL: OFF
All power supplies are operating
correctly.
OK/FAIL: Green
All power supplies are operating
correctly.
Service
module
Service module
LED
RUN: Slow flashing green
(once per second)
The card is operating correctly.
RUN: Fast flashing green
(eight times per second)
The card is starting up. If the LED
keeps fast flashing green, the card fails
registration.
