Installation guide

DC Power Supply
BlackDiamond 20808 Switch Hardware Installation Guide
27
Fuse
The Extreme Networks 2400 W AC PSU line and neutral legs are both fused. Power to the switch may
still be live if the neutral fuse is open. This is not a field operator replaceable fuse.
WARNING!
Field operators must not attempt to configure or replace fuses in Extreme Networks 2400 W AC PSUs! In the event
of failure, immediately return the defective Extreme Networks 2400 W AC PSU for a complete replacement.
Power Supply Cords
An AC power cord for use with the 2400 W AC PSU must meet the following requirements:
● The power cord must be agency-certified for the country of use and rated for 200-240 V AC.
● The power cord must have an IEC 320 C19 connector for connection to the PSU.
● The power cord must have an appropriately rated and approved wall plug applicable to the country
of installation.
● The power cord must be less than 3 meters (10 feet) long.
● The wire size must be a minimum of 14 AWG (2.06 mm
2
) copper-stranded.
DC Power Supply
Figure 8 shows the Extreme Networks 1900 W DC power supply unit. This power supply can run from
40 to 72 V DC and deliver 1900 W of power. The power supply bay in the BlackDiamond 20808 switch
can accommodate up to five 1900 W DC PSUs.
Figure 8: 1900 W DC PSU
BD_180