Cisco C1121-4P User Manual

Step 1 Read the Safety Warnings and disconnect the power supply before you perform any module replacement.
Step 2 Confirm the router is turned off and disconnected from the power supply.
Step 3 Disconnect all port cables connected to the router. Ensure that you do not work on the router with cables still attached to
the router in the event of lightning or surges.
Step 4 Place the chassis on a flat surface.
Step 5 Align hooks on the cover to slots on the chassis base and lower the cover onto chassis base.
Step 6 Slide the cover from the I/O side to the bezel side
Step 7 Install the fourteen screws on both sides of the chassis. Torque to 6-8 in-lbs.
External Modules
This section describes how to install external modules and FRUs in the Cisco 1000 Series Integrated Services
Routers. The information is contained in the following sections:
Only trained and qualified personnel should be allowed to install, replace or service this equipment. Statement
1030.
Warning
Locate External Slots for Modules
This section describes the locations of external modules on the router motherboard.
Hardware Installation Guide for the Cisco 1000 Series Integrated Services Router
60
Install and Upgrade Internal Modules and Field Replaceable Units
External Modules

Cisco C1121-4P Specifications

General

LAN Ports	4
Integrated Wireless	No
Form Factor	Desktop
Product Type	Router
Connectivity Technology	Wired
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet
Ports Qty	4
Power Over Ethernet (PoE)	Yes
Routing Protocol	OSPF, BGP, EIGRP
Remote Management Protocol	SNMP
Encryption Algorithm	AES, 3DES, DES
Features	Firewall, VPN support
Compliant Standards	IEEE 802.3, IEEE 802.3u
Type	Router
PoE Standards	IEEE 802.3af
Power Supply	External AC adapter
Operating Temperature	32°F to 104°F (0°C to 40°C)
Storage Temperature	-4°F to 149°F (-20°C to 65°C)
Humidity	10 - 95% (non-condensing)
Network/Transport Protocol	DHCP