CHAPTER
1-1
Hardware Installation Guide for the Cisco 4000 Series Integrated Services Router
OL-32185-02
1
Overview of Cisco 4000 Series ISRs
This chapter contains the following sections:f
• About Cisco 4000 Series ISRs, page 1-1
• Safety Warnings, page 1-6
• Chassis Views, page 1-6
• Locate Product Identification Details, page 1-25
• Hardware Features of Cisco 4000 Series ISRs, page 1-26
• Slots, Subslots (Bay), Ports, and Interfaces in Cisco 4000 Series ISRs, page 1-38
• Specifications, page 1-41
• Periodic Inspection and Cleaning, page 1-50
About Cisco 4000 Series ISRs
Cisco 4000 Series Integrated Services Routers (ISRs) are modular routers with LAN and WAN
connectivity. They support several interface modules, including Cisco Enhanced Service Modules
(SM-X) and Cisco Network Interface Modules (NIMs).
Cisco 4000 Series ISRs target these applications:
• Enterprise applications—Intended to be the mid-size aggregation and gateway router typically
residing in a regional or large branch office:
–
WAN aggregation at Cisco Enterprise core
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Internet gateway
–
Branch or regional office aggregation
–
Remote access aggregation
• Service provider applications—Intended for high-end Enterprise Branch environments:
–
High-end customer premises equipment (CPE) for business-quality Internet access
–
Service provider leased line aggregation
–
Provider edge (PE) and high-end customer edge (CE) for Layer 2 VPN or Layer 3 VPN services
–
Low-end Ethernet aggregation
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