Cisco Router 7204 Installation And Configuration Manual page 19

Chapter 1 Product Overview
In Figure 1-1
Note
the port adapters, each port adapter slot must be filled with either a port adapter or a blank port adapter.
Figure 1-2
Port adapter slot 3
Port adapter slot 1
The rear of the Cisco 7204 router provides access to the network processing engine and up to two power
supplies (refer to
Figure 1-3
Chassis
grounding
receptacles
The network processing engine does not support OIR. You must power down the Cisco 7204 before
Note
removing the network processing engine from the router.
The network processing engine has no external connectors or LEDs. There is a handle for removing and
installing the network processing engine and two captive installation screws for securing it to the chassis.
OL-5101-02
and Figure 1-2, a blank port adapter is installed in slot 3. To ensure adequate airflow across
Port Adapter Slot Numbering
Blank port adapter
Figure 1-3).
Cisco 7204 Router—Rear View
Power supply
filler plate
Network processing engine
or network services engine
Power switch
Port adapter slot 4
Port adapter slot 2
Cisco 7200
FAST ETHERNET INPUT/OUTPUT CONTROLLER
Port adapter slot 0
Internal fans
AC-input
receptacle
NETWORK PROCESSING ENGINE-150
AC-input
power supply
Cisco 7204 Installation and Configuration Guide
Physical Description
SERIES
ETHERNET-10BFL
1-3