Extreme Networks ExtremeSwitching SLX 9540 - Power Supplies

Power Supplies
• Power supply overview....................................................................................................................................................................................77
• Precautions specic to power supplies.................................................................................................................................................... 79
• Identifying the airow direction.................................................................................................................................................................... 80
• Time and items required.................................................................................................................................................................................80
• Replacing a power supply.............................................................................................................................................................................. 80
• Inserting a new AC power supply ..............................................................................................................................................................81
• Inserting a new DC power supply...............................................................................................................................................................82
• Grounding the SLX 9540 device............................................................................................................................................................... 83
Power supply overview
The ExtremeSwitching SLX 9540 device supports alternating-current (AC) and direct-current (DC) power supplies. The switch is capable
of running on one power supply and four fan assemblies. The second power supply and fth fan assembly provide redundancy.
If the second power supply and any fan slots are unused, you must cover them with ller panels.
NOTE
Extreme Networks recommends that the SLX 9540 device operate with two power supplies and ve fan assemblies installed. If
a power supply or fan assembly fails, it must be replaced as soon as possible.
NOTE
AC and DC power supplies can be installed and used in the same device.
The power supplies in the SLX 9540 device chassis can be removed and replaced without special tools. The device can continue
operating during the replacement.
The device supports the following types of power supplies:
• AC power supply with nonport-side air exhaust. This unit moves the air from the port-side to the nonport-side of the device.
• AC power supply with nonport-side air intake. This unit moves the air from the nonport-side to the port-side of the device.
• DC power supply with nonport-side air exhaust. This unit moves the air from the port-side to the nonport-side of the device.
• DC power supply with nonport-side air intake. This unit moves the air from the nonport-side to the port-side of the device.
ExtremeSwitching SLX 9540 Hardware Installation Guide
9036360-00 Rev AB 77