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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
Chapter5 Installing the Cisco MGX Switch or Gateway
Installing the MGX 8850 (PXM1E/PXM45) Switch, MGX 8850/B or MGX 8880 Media Gateway
Figure5-20 Fan Tray Power Cabling
Step5 Repeat Step 1 through Step 4 with the other fan tray power cable to connect the other fan tray.
Connect the AC Power Supply Tray to the MGX 8850 or MGX 8850/B Switch
Caution Do not use a power screwdriver on captive screws.
If you are using AC power, complete the following steps to connect the AC power supply tray t o the
switch. If you are using DC power, proceed to the “Connect the DC PEM to the MGX 8850 or MGX
8850/B Switch” section on page5-39.
Step1 Notice that the smaller side of the backplane D-conn ector faces down, and position the smaller side of
the cable D-connector so that it also faces down. Figure 5-21 shows the connectors for the AC power
supply tray cable.
17676
Upper fan tray cable
Lower fan tray cable
Air intake plenum
Lower
fan tray
Upper fan tray