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Cisco 7401ASR Installation and Configuration Guide
OL-5419-01 B0
1
Overview and Parts Installation
The Cisco 7401ASR router provides application-specific features for broadband subscriber aggregation
and network application services with high processing performance.
This chapter provides a quick hardware overview and options installation instructions for the
Cisco 7401ASR router. For functional information see Chapter 3, “Starting and Configuring,” the
“Functional Overview” section on page 3-1. For system specifications and port and cabling
specifications, see Appendix A, “Specifications.”
The following sections describe router hardware and options installation:
• Hardware Overview, page 1-1
• Checking the Shipping Container Contents, page 1-5
• Installation Checklist, page 1-6
• Installing the CompactFlash Disk, GBIC, and Port Adapter, page 1-7
• Replacing the SDRAM DIMM, page 1-11
Warning
Before you install, operate, or service the system, read the Site Preparation and Safety Guide. This
guide contains important safety information you should know before working with the system.
Hardware Overview
The Cisco 7401ASR router supports the following features:
• Online insertion and removal (OIR)—Allows you to add, replace, or remove port adapters without
interrupting the system.
• Environmental monitoring and reporting functions—Allow you to maintain normal system
operation by resolving adverse environmental conditions prior to loss of operation.
• Downloadable software—Allows you to load new images into Flash memory remotely, without
having to physically access the router, for fast, reliable upgrades.
• Small form-factor—One rack-unit (RU) high with stacking capability:
1.72 in. x 17.3 in. x 11.80 in. (4.37 cm x 43.9 cm x 30 cm). The weight is approximately 10.5 lbs
(4.76 kg).
• Front-to-back airflow—Allows you to mount the router from either front or back into two post or
19-inch racks and 21–23-inch four-post racks.