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Chapter 5 Troubleshooting
Electrical
TC1920 Rev 1.3 User Manual
5-6
5.4.1.2
Power Source A and B (PWR)
Power modules A and B are continuously monitored.
The system uses both power supplies simultaneously,
and in the event of the loss of one power supply, will
continue to operate on the other power supply.
PWR LED Behaviors
5.4.1.3
Power On (Vcc)
The Vcc LED indicates the unit is receiving enough
voltage for proper operation.
Vcc LED Behavior
5.4.1.4
Ready (RDY)
The RDY LED indicates when the unit has finished
initialization and is operating properly.
RDY LED Behavior
LED
Condition
Solid
Power is being supplied from module.
Off
Power is not being supplied from module.
Power module has failed.
Fuse on card has burned.
LED
Condition
Solid
5 VDC is good.
Off
No 5 VDC is supplied.
LED
Condition
Solid
Unit is ready for use.
Fast Flash
Flash operation in progress.
Do not power off unit until operations have completed.
Slow Flash
Unit is booting.
Содержание TC1920
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Страница 29: ...Chapter 4 Management through the Web Screens TC1920 Rev 1 3 User Manual 4 4 Figure 4 2 Summary Settings...