Brand: Cisco
Category: Networking
Document Type: Installation Guide
Language: EN
Installation Guide for Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration
Uploaded: Sept. 12, 2025, 4:27 a.m.
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This document describes how to install and configure the clear channel 6-port T3 (DS3) line card (7300-6T3), which is used in the Cisco 7304 router. It covers the overview of the line card, features, installation procedures, and configuration steps. It also details LED indicators, cable requirements, and troubleshooting methods.
Troubleshooting and error codes
| Command | Function | Example |
|---|---|---|
| show version or show hardware | Displays system hardware configuration, the number of each interface type installed, Cisco IOS software version, names and sources of configuration files, and boot images | Router# show version |
| show controllers | Displays all the current interface processors and their interfaces | Router# show controllers |
| show diag slot | Displays types of line cards installed in your system and information about a specific chassis slot | Router# show diag 2 |
| show interfaces type slot-number/ interface-port-number | Displays status information about a specific type of interface (for example, serial) in a Cisco 7304 router | Router# show interfaces serial 2/0 |
| show protocols | Displays protocols configured for the entire system and for specific interfaces | Router# show protocols |
| show running-config | Displays the running configuration file | Router# show running-config |
| show startup-config | Displays the configuration stored in NVRAM | Router# show startup-config |