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14-2 Extreme Networks Consolidated Hardware Guide
BlackDiamond 6800 Series Switch Power Supplies
Power supply fails
Power supply is removed
220 VAC Power Supplies
If you install a 220 VAC power supply into the BlackDiamond 6800 series chassis, 220
Volts of power is required for full operation. If you operate the BlackDiamond 6800
series switch at 110 Volts instead of 220 Volts, it is possible that not all of the I/O
modules will power up. The MSM64i will perform power calculations and power up
the maximum number of I/O modules from left (slot 1) to right (slot 16 in the
BlackDiamond 6816 and slot 8 in the BlackDiamond 6808). It is possible to skip a
module if that module is not within the power budget but the subsequent module is.
When you use 110 Volts, typically only eight modules in the BlackDiamond 6816 and
four modules in the BlackDiamond 6808 are powered on.
The BlackDiamond switch supports a combination of the old 220 VAC PSUs (part
number 50012) with the new iPower 220 VAC PSUs (part number 50021) when installed
in the same chassis. However, you may get reduced power if a combination of the two
types of 220 VAC PSUs are installed in the same chassis.
220 VAC power supplies slide in from the front of the chassis, as illustrated in
Figure 14-1.
Figure 14-1: 220 VAC power supplies in a BlackDiamond 6808
AC IN
BD_028
DC OUT
50021
POWER
DC OUT
AC IN
50021
POWER
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