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Cisco MGX 8800/8900 Series Hardware Installation Guide
Releases 2 - 5.2, Part Number OL-4545-01, Rev. H0, May 2006
Chapter1 Product Overviews
Cisco MGX 8850 and MGX 8850/B Switches
AC Power Supply Tray
The Cisco MGX 8850 switch can accept power from a 220 VAC (180 to 254 VAC) source that connects
to an optional AC power supply tray, shown in Figure 1-10. The optional AC power supply tray houses
up to six AC power supplies and is installed directly below the air intake plenum. The AC power supplies
convert 220 VAC to –48 VDC power for the switch.
Figure1-10 Optional AC Power Supply Tray
Note Figure 1-10 shows only four AC power supplies installed in the AC power supply tray.
1Release 3Front flange
2Blank panel 4Air intake grille
84459
1200W
DC
AC
1200W
DC
AC
1200W
DC
AC
1200W
DC
AC
4 3
1 2