Cisco 2811 Series User Manual

10
Installing and Upgrading Fans in Cisco 2811 Series Routers
78-17850-01
Installing and Removing the Fans
Figure 12 Using a Flat-Blade Screwdriver to Lift the Fan
Step 7
Disengage the fan from the side attachment slots and push the fan toward the center of the chassis, and
remove the fan as shown in Figure 13.
Figure 13 Disengaging the Fan from the Side Attachment Slots
Step 8
Place the fan in an antistatic bag to protect it from ESD damage.
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Cisco 2811 Series Specifications

General

Form Factor	Rack-mountable
Network Module Slots	1
Advanced Integration Module Slots	1
Connectivity Technology	Wired
Data Link Protocol	Ethernet, Fast Ethernet
Encryption Algorithm	DES, 3DES, AES
VPN Support	Yes
Operating System	Cisco IOS
Expansion Slots	4 x HWIC
Memory	256 MB (max 768 MB)
Flash Memory	64 MB (default), expandable to 128 MB
Power Supply	AC 110/220 V (50/60 Hz)
Remote Management Protocol	SNMP, Telnet
Features	VPN support, QoS, Firewall
Security Features	Firewall, IPSec