Allied Telesis AT-SBX81XS6 Guía de instalación Pagina 35

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SwitchBlade x8112 Chassis Switch and AT-SBx81CFC960 Card Installation Guide
Section I: Hardware Overview 35
Power Supply Interfaces (Opto-couplers)
The chassis has two power supply interfaces, also referred to as opto-
couplers, in the lower right corner on the rear panel. The interfaces,
labeled Power Supply Interface, are used by the active master controller
card to obtain status information from the power supplies. The interfaces
are shown in Figure 13.
Figure 13. Power Supply Interfaces (Opto-couplers)
The controller card uses the top interface to communicate with the power
supplies in slots A and C, and the bottom interface to communicate with
the power supplies in slots B and D.
The power supply interfaces are not hot swappable and should only be
serviced by an authorized service technician.
LED Each interface has one LED, labeled Power. The LED is described in
Table 5.
Table 5. Power Supply Interface LED
LED State Description
Power
Solid Green The interface is operating normally.
Off Here are the possible conditions for this LED
state:
The corresponding power supply
slots of the interface are empty.
The power supplies in the power
supply slots are powered off or have
failed.
The power supplies in the power
supply slots are powered on and
functioning normally, but the power
supply interface has failed.
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