Extreme Networks Summit 200-24, Руководство по установке оборудования

Страница: 171 / 386

Installing the Alpine 3800 Series Switch External Power Supply
Extreme Networks Consolidated "i" and "e" Series Hardware Installation Guide 171
13 Leave the ESD strap permanently connected to the chassis so that it is always available when you
need to handle ESD-sensitive components.
Installing the Alpine 3800 Series Switch External Power
Supply
The Extreme Networks External Power Supply 45019 (EPS-LD) provides additional power to compatible
Power over Ethernet (PoE) modules and other Extreme switches. The EPS-LD provides 465 W total
power with 375 W dedicated for PoE applications. See the section that describes the connected device to
determine total available power to PoE ports.
The following items are provided with each EPS-LD unit:
• Mounting hardware, including screws
• One AC power cable for use in North America
NOTE
If you are using the EPS-LD outside North America, the input power cord must have an IEC320-C14
connector and the appropriate power input plug for the country in which you are operating. The cord
must be no longer than 10 feet (3.05 m) and at least 16-gauge copper wire.
The cables connecting the power supply to the Extreme switch or module are purchased separately;
contact your Extreme sales representative to purchase the cables. For more information, see “Connecting
the EPS-LD to the FM-32Pi Module” on page 172. If you need redundant power, connect two EPS-LD
units to the module using the special “Y” cable; this configuration provides no-fault redundant power
to PoE ports.
CAUTION
Only trained service personnel should install or remove the Extreme EPS-LD unit, in accordance with
the installation instructions. Before servicing this system, please read the safety information provided in
Appendix A. Not following these precautions can result in equipment damage or shock.
Rack-Mounting the EPS-LD Unit
NOTE
When installing an EPS-LD in a rack, make sure air vents are not restricted. Allow for elevated ambient
operating temperatures when installed adjacent to other equipment. Mount equipment within rack so a
hazardous condition is not achieved because of uneven mechanical loading.
The EPS-LD unit can be mounted in a rack or placed free-standing on a tabletop. You can mount the
EPS-LD facing either the front or the back of the rack. For this reason, each unit has two sets of
mounting holes, two on each end. Mount the EPS-LD so that the unit’s output connectors are on the
same side as the external connector on the connecting switch.