SwitchBlade x8106 Chassis Switch Installation Guide
Power Supply Interfaces (Opto-couplers)
The two power supply interfaces in the lower right corner of the rear panel are used by the active master controller card to obtain status information from the power supplies. The interfaces are shown in Figure 27 on page 60.
Each power supply interface supports two power units. The top interface supports the power supplies in slots A and C. The bottom interface supports the supplies in slots B and D.
An interface is operating normally when its Power LED is solid green. The LED of an interface is off if the two corresponding power supply slots are empty or the power supplies are not powered on. For example, the LED for the bottom interface will be off if power supply slots B and D are empty or the power supplies are off.
The network operations of the chassis are not affected If one or both of the interfaces fail. However. the active master controller card changes the PSU LED to flashing amber to signal that it cannot communicate with the power supplies.
Note
The power supply interfaces are not hot swappable and can only be serviced by an authorized service technician.
If the Power LED on a power supply interface is off, do the following:
1.Check that there are power supplies in the corresponding slots in the front panel and that the power supplies are powered on. (The Power LED on an interface is off when the slots are empty or the power supplies are not powered on.)
2.Inspect the LEDs on the power supplies to check for a fault condition, If there is a fault condition, go to
3.Check the PSU LED on the active master controller card. If the LED is solid green, the power supplies and interfaces are operating normally. No corrective steps are required. If the PSU LED is solid amber but the LEDs on the power supplies indicate normal operations, there may be a problem with a power supply interface. Contact your Allied Telesis sales representative for assistance.
