Cisco Gigabit Switch Router 12008 Installation And Configuration Manual page 29

Overview of the Cisco 12008
Figure 1-2 Major Components of the Cisco 12008
Router enclosure
Cable-management tray
CSCs
Upper
card cage
RP
Line cards
(Quad OC-3
POS Shown)
ESD
connection
socket
AC- or DC-input power supplies
Air filter assembly
(AC-input power supplies shown)
(lower card cage behind air
Power supply
filter assembly contains card
fan tray
cage fan tray and SFCs)
Product Overview 1-7