Cisco 7200 VXR User Manual page 6

Cisco 7204VXR Overview
Figure 1-2
1
1 Chassis grounding receptacles
2 Power supply filler plate
3
Power switch
4
AC power cable-retention clip
5 Internal fans
The network processing engines NPE-100 through NPE-400 or network services engine (NSE-1) have
no external connectors or LEDs. There is a handle for removing and installing the network processing
engine or network services engine and two captive installation screws for securing it to the chassis.
The NPE-G1 has external connectors and LEDs for the Gigabit Ethernet interfaces as well as console
and auxiliary ports.
The Cisco 7204VXR router comes equipped with one 280W AC-input power supply. (A 280W DC-input
power supply option is available.) In
AC-input power supply. (A power supply filler plate is installed over the second power supply bay.) A
fully configured Cisco 7204VXR router operates with only one installed power supply; however, a
second, optional power supply of the same type provides hot-swappable, load-sharing, redundant power.
The Cisco 7204VXR does not support a mixture of AC- and DC-input power.
Note
The power supply has the router's main power switch and either an AC-input power receptacle or a
hardwired DC-input power cable (depending on the type of installed power supply).
Do not mix power supplies in the Cisco 7204VXR. In dual power supply router configurations, both
Caution
power supplies must be of the same type (two AC-input power supplies or two DC-input power supplies).
Adjacent to the power supply bays are two chassis grounding receptacles that provide a chassis ground
connection for ESD equipment or a two-hole grounding lug. (See
Cisco 7200 VXR Installation and Configuration Guide
1-6
Cisco 7204VXR Router—Rear View
2
6 7 8
Figure
Chapter 1
3 4
5
NETWORK PROCESSING ENGINE-300
9
6 Network processing engine or network
services engine
7 AC-input power supply
8
PWR OK LED
9
AC power supply receptacle
1-2, a Cisco 7204VXR router is configured with a single
Cisco 7200 VXR Product Overview
Figure 1-2.)
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