Contents
iv
Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration
OL-3449-02
Software and Hardware Requirem ents 2-2
75-Ohm In-Line Coaxial Attenuator (Optional) 2-2
Safety Guidelines 2-2
Safety Warnings 2-2
Warning Definition 2-3
Electrical Equipment Guidelines 2-7
Telephone Wiring Guidelines 2-8
Preventing Electrostatic Discharge Damage 2-8
CHAPTER
3Removing and Installing Line Cards 3-1
Installation Overview 3-1
Handling Line Cards 3-2
Online Insertion and Removal 3-2
Warnings and Cautions 3-3
Line Card Removal and Installation 3-3
Cisco 7304—Removing and Installing a Line Card 3-4
Connecting a T3 SMB Cable 3-5
CHAPTER
4Configuring the 6T3 Line Card 4-1
Using the EXEC Command Interpreter 4-1
Configuring the Interfaces 4-2
Shutting Down an Interface 4-2
Performing a Basic Configuration 4-4
Customizing the 6T3 Line Card Configuration 4-6
Verifying Local and Remote DS3 Port Settings 4-6
Selecting a DSU Mode 4-6
Setting the Sending and Receiving Rate 4-7
Configuring the DSU Bandwidth Range 4-7
Enabling Payload Scrambling 4-7
Configuring Cyclic Redundancy Checks 4-7
Configuring the Clock Source 4-8
Defining the DSU Mode 4-8
Enabling T3 Scrambling 4-9
Specifying T3 Framing 4-9
Setting the Cable Length 4-9
Checking the Configuration 4-9
Using show Commands to Verify the New Interface Status 4-10
Using the show version or show hardware Commands 4-11