schroff 11990-704, Руководство пользователя

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11990-704/705/706/707 (2-Slot ATCA Shelf)
Fan Trays 14 R1.2, March 2018
Figure 8: Fan Control curves
7.2 Fan Tray Indicators
The front panel includes a green and red status LED and a blue hot-swap LED.
The Hot-Swap push button indicates to the Shelf Managers that the Fan Tray is about to be
removed. Its use is optional, but it is provided so that service personnel can be trained to look
for a blue LED to be illuminated on any active component before removing it from the system.
Once the operator pushes the Hot-Swap button, the Shelf Manager is informed of the
pending extraction. When the Shelf Manager feels it is “safe“ to remove the Fan Tray, the
blue Hot-Swap LED illuminates solid.
Table 4: LEDs on Fan Tray front panel
12713803
Color Description Status Condition
Green OK LED Off No Power to the Fan Tray
Solid green Normal Operation
Red Solid red Attention Status (error condition)
Blue Hot Swap LED Off No Power to the Fan Tray or not OK to extract
Fan Tray
Short blink Preparing for extraction
Solid blue Ready to remove