Fan Trays - 3Com Switch 4007R Getting Started Manual

14 C 1: I
HAPTER NTRODUCING THE
Figure 4 shows an 820-watt AC power supply in a
Switch 4007R 8-slot chassis.
Figure 4 Switch 4007R 8-slot Chassis with an 820-watt AC
Power Supply Installed
1 2 3 4 5 6 7
S 4007R 8-S C
WITCH LOT HASSIS
Power supply
slot 3
®
Switch 4007
8 9 10
ON
Power supply
(in slot 1)
Power supply
slot 2

Fan Trays

The Switch 4007R 8-slot chassis contains two fan
trays, each of which contains three fans (Model
Number 3CB9EF). Four fans cool the interface
modules, switch fabric modules, and management
modules. The remaining two fans cool the power
supplies.
Figure 5 shows the location of the fan trays in the
Switch 4007R 8-slot chassis.
Figure 5 Switch 4007R 8-slot Chassis Rear View with Fan
Trays
Module and
power supply
fan trays
Spring-loaded
screw