129
Appendix B LEDs
Power system LEDs
Monitoring module LEDs
Table 44
Power monitoring module LED description
LED Status
Description
RUN
Steady on
The power monitoring module is operating properly.
Off
The power monitoring module is faulty.
MAJOR
Steady on
•
At least one power supply is faulty.
•
All power supplies have been removed from the power frame.
•
The switch of the power frame is off.
•
Power supplies are in position, but no AC power supply is provided.
Turns on and then
goes off
A power supply is being inserted or removed.
Off
The power supplies are operating properly.
MINOR Off
Reserved
Power supply LEDs
Figure 83
Power supply LEDs
(1) Power input LED
(2) Power output LED
(3) Over-temperature alarm LED
(4) Power supply fault LED
Table 45
Power supply LED description
LED Status
Description
Input Steady
on
The power is being input properly.
（
1
）
（
2
）
（
3
）
（
4
）
Summary of Contents for S12500 Series
Page 40: ...30 Figure 28 Installing an upper expansion cable management bracket 1 2 3 4 5 6 7...
Page 109: ...99 Figure 74 Replacing a card for the S12504 A Card to be removed B Card to be installed...
Page 149: ...139 Figure 85 Loopback operation on an optical transceiver...
Page 164: ...154 Figure 100 Example of a device label...
