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Clear Channel 6-Port T3 (DS3) Line Card
Installation and Configuration
Product Numbers: 7300-6T3
Platform Supported: Cisco 7304
Corporate Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: 408 526-4000
800 553-NETS (6387)
Fax: 408 526-4100
Text Part Number: OL-3449-02
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Table of Contents
Related Manuals for Cisco 7300-6T3
Summary of Contents for Cisco 7300-6T3
- Page 1 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration Product Numbers: 7300-6T3 Platform Supported: Cisco 7304 Corporate Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 526-4100...
- Page 2 You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures: •...
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Page 3: Table Of Contents
Ordering Cables Building Your Own Cables Management Information Base Line Card Slot Locations on the Supported Platform Cisco 7304 Router Slot Numbering Identifying Interface Addresses Cisco 7304 Router Interface Addresses Preparing for Installation C H A P T E R... - Page 4 Handling Line Cards Online Insertion and Removal Warnings and Cautions Line Card Removal and Installation Cisco 7304—Removing and Installing a Line Card Connecting a T3 SMB Cable Configuring the 6T3 Line Card C H A P T E R Using the EXEC Command Interpreter...
- Page 5 Contents Using the show diag Command 4-12 Using the show interfaces Command 4-13 DS3 Alarm and Event Detection 4-14 Using the ping Command to Verify Network Connectivity 4-15 Using loopback Commands 4-15 Bit Error Rate Testing 4-17 CLI-Controlled OIR 4-17 Line Card Crash Recovery 4-17 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration...
- Page 6 Contents Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02...
- Page 7 Objectives This document describes how to install and configure the clear channel 6-port T3 (DS3) line card (7300-6T3[=]), hereafter referred to as the 6T3 line card, which is used in the Cisco 7304 router. Organization This document contains the following chapters:...
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Page 8: Preface
Preface Related Documentation Related Documentation Your router and the Cisco IOS software running on it contain extensive features and functionality, which are documented in the following resources: Cisco IOS software: • For configuration information and support, refer to the modular configuration and modular command reference publications in the Cisco IOS software configuration documentation set that corresponds to the software release installed on your Cisco hardware. -
Page 9: Documentation Cd-Rom
Cisco Systems Corporate Headquarters (California, U.S.A.) at 408 526-7208 or, elsewhere in North America, by calling 800 553-NETS (6387). Documentation Feedback You can submit comments electronically on Cisco.com. On the Cisco Documentation home page, click Feedback at the top of the page. You can e-mail your comments to bug-doc@cisco.com. -
Page 10: Obtaining Technical Assistance
The Cisco TAC is available to all customers who need technical assistance with a Cisco product, technology, or solution. Two types of support are available: the Cisco TAC website and the Cisco TAC Escalation Center. The type of support that you choose depends on the priority of the problem and the conditions stated in service contracts, when applicable. -
Page 11: Cisco Tac Website
Cisco TAC website. Some services on the Cisco TAC website require a Cisco.com login ID and password. If you have a valid service contract but do not have a login ID or password, go to this URL to register: http://tools.cisco.com/RPF/register/register.do... - Page 12 You can access Packet magazine at this URL: http://www.cisco.com/go/packet • iQ Magazine is the Cisco bimonthly publication that delivers the latest information about Internet business strategies for executives. You can access iQ Magazine at this URL: http://www.cisco.com/go/iqmagazine •...
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Page 13: Overview
(CRCs); the default is 16-bit CRC. You can change the default setting with software commands. The 6-port 6T3 line card, shown in Figure 1-1, provides up to 24 network interfaces per Cisco 7304 router. Figure 1-1 6T3 Line Card... -
Page 14: Chapter 1 Overview
Support for remote and local loopbacks • • Six independent T3 ports • Subrate DS3 support for Cisco, Kentrox, Larscom, and Digital Link formats along with the associated scrambling. In some modes, the scrambling is optional. • Clear-channel DS3 (framed but unchannelized) •... -
Page 15: Interoperability Guidelines For 6T3 Line Card Dsus
MDL message identification can be defined only by a network administrator and are discussed in ANSI T1.107. For information on transporting MDL messages between source and destination T3 ports on a Cisco 7304 router, refer to T3 Maintenance Data Link Messages on the Cisco 7304 Router. -
Page 16: T3 Smb Cables
BNC cable connectors to connect the line card RX and TX ports to other devices. See Figure 3-2. Cisco does not automatically provide the six T3 SMB cables recommended for your 6T3 Note line card. Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration... - Page 17 SMB cables; otherwise, EMC is not guaranteed. If you use cables other than those ordered from Cisco, it is your responsibility to ensure that you have a compliant system that meets local EMC requirements. To order additional cables, use the product numbers: 2CBLE-SMB-BNC-M (male) and 2CBLE-SMB-BNC-F (female).
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Page 18: Ordering Cables
Ordering Cables You must order cables separately with the 6T3 line card when you order a Cisco 7304 router. Cables are not automatically included with the 6T3 line card. Be sure to specify the type of cable you want shipped with your card (2CBLE-SMB-BNC-M [male] or 2CBLE-SMB-BNC-F [female]). -
Page 19: Management Information Base
Western Electric or equivalent 728A SMB cable, it has been replaced by the Lucent (formerly AT&T) 734A cable. Cisco tested more than 900 feet (274 meters) of 734A SMB cable from transmitter to receiver including the SMB-to-BNC adapter cables to verify high signal attenuation. -
Page 20: Cisco 7304 Router Slot Numbering
Cisco 7304 with the network services engine (NSE) installed in slots 0 and 1 and line cards installed in slots 2 through 4. In the Cisco 7304, slot 0 is in the lower left position, and slot 5 is in the upper right position. -
Page 21: Identifying Interface Addresses
In the Cisco 7304 router, slots are numbered from the lower left to the upper right, beginning with slot 0 and continuing through slot 5. (Slot 0 and slot 1 are reserved for the NSE.) The interface address of the interfaces on a 6-port 6T3 line card in slot 2 are 2/0 through 2/5 (slot 2 and interfaces 0 through 5). - Page 22 Chapter 1 Overview Identifying Interface Addresses Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration 1-10 OL-3449-02...
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Page 23: Chapter 2 Preparing For Installation
C H A P T E R Preparing for Installation This chapter describes the general equipment, safety, and site preparation requirements for installing the 6T3 line card. This chapter contains the following sections: • Required Tools and Equipment, page 2-1 Software and Hardware Requirements, page 2-2 •... -
Page 24: Software And Hardware Requirements
Preparing for Installation Software and Hardware Requirements Software and Hardware Requirements Table 2-1 lists the recommended minimum Cisco IOS software release required to use the 6-port 6T3 line card in the 7304 router platform. Table 2-1 6T3 Line Card Software Requirements... -
Page 25: Warning Definition
Chapter 2 Preparing for Installation Safety Guidelines Warning Definition IMPORTANT SAFETY INSTRUCTIONS Warning This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. - Page 26 Chapter 2 Preparing for Installation Safety Guidelines Attention IMPORTANTES INFORMATIONS DE SÉCURITÉ Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvant causer des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez conscient des dangers posés par les circuits électriques et familiarisez-vous avec les procédures couramment utilisées pour éviter les accidents.
- Page 27 Chapter 2 Preparing for Installation Safety Guidelines Advarsel VIKTIGE SIKKERHETSINSTRUKSJONER Dette varselssymbolet betyr fare. Du befinner deg i en situasjon som kan forårsake personskade. Før du utfører arbeid med utstyret, bør du være oppmerksom på farene som er forbundet med elektriske kretssystemer, og du bør være kjent med vanlig praksis for å...
- Page 28 Chapter 2 Preparing for Installation Safety Guidelines Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02...
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Page 29: Electrical Equipment Guidelines
Chapter 2 Preparing for Installation Safety Guidelines Electrical Equipment Guidelines Follow these basic guidelines when working with any electrical equipment: • Before beginning any procedure requiring access to the chassis interior, locate the emergency power-off switch for the room in which you are working. •... -
Page 30: Telephone Wiring Guidelines
Chapter 2 Preparing for Installation Safety Guidelines Do not perform any action that creates a potential hazard to people or makes the equipment unsafe; • carefully examine your work area for possible hazards such as moist floors, ungrounded power extension cables, and missing safety grounds. Telephone Wiring Guidelines Use the following guidelines when working with any equipment that is connected to telephone wiring or to other network cabling:... -
Page 31: Chapter 3 Removing And Installing Line Cards
C H A P T E R Removing and Installing Line Cards This chapter describes how to remove the 6T3 line card from supported platforms and also how to install a new or replacement line card. This chapter contains the following sections: •... -
Page 32: Handling Line Cards
The Cisco 7304 router supports online insertion and removal (OIR) of line cards; therefore, you do not have to power down the router when removing and replacing a 6T3 line card on a Cisco 7304 router. The Cisco 7304 router also supports CLI-controlled OIR (see the “CLI-Controlled OIR”... -
Page 33: Warnings And Cautions
In this section, the illustrations that follow give step-by-step instructions on how to remove and install line cards. This section contains the following illustrations: • Cisco 7304—Removing and Installing a Line Card, page 3-4 Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02... -
Page 34: Cisco 7304-Removing And Installing A Line Card
Removing and Installing Line Cards Line Card Removal and Installation Cisco 7304—Removing and Installing a Line Card 1. To remove the line card, loosen the locking thumbscrews on both sides of the line card. 2. Pull out the line card levers and carefully slide the line card halfway out of the slot. If you are removing a blank line card, pull the blank line card completely out of the chassis slot. -
Page 35: Connecting A T3 Smb Cable
Chapter 3 Removing and Installing Line Cards Connecting a T3 SMB Cable Connecting a T3 SMB Cable On a 6T3 line card, you can use six T3 SMB cables (one for each T3 link). Each T3 link requires separate receive and transmit connections to your external T3 equipment. To connect the T3 SMB cables to the 6T3 line card, follow these steps: Attach the T3 SMB cables directly to the SMB ports on the 6T3 line card. - Page 36 Chapter 3 Removing and Installing Line Cards Connecting a T3 SMB Cable Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration OL-3449-02...
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Page 37: Chapter 4 Configuring The 6T3 Line Card
C H A P T E R Configuring the 6T3 Line Card To continue your 6T3 line card installation, you must configure the serial interfaces. This chapter contains the following sections: • Using the EXEC Command Interpreter, page 4-1 Configuring the Interfaces, page 4-2 •... -
Page 38: Configuring The Interfaces
Chapter 4 Configuring the 6T3 Line Card Configuring the Interfaces Configuring the Interfaces After you verify that the new 6T3 line card is installed correctly (the STATUS LED goes on), use the privileged-level configure command to configure the new interfaces. Have the following information available: T3 information such as clock source and framing type •... - Page 39 Table 4-1 Syntax of the shutdown Command Platform Command Example Cisco 7304 routers interface, followed by the type The example is for interface 0 and interface 1 on a (serial) and slot/port (slot-number/ 6T3 line card in slot 2. interface-port-number)
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Page 40: Performing A Basic Configuration
Table 4-3 Examples of the interface serial Subcommand Platform Command Example Cisco 7304 router interface serial, followed by The example is for the first interface of a slot/port (slot-number/ 6T3 line card in slot 4. interface-port-number) Router(config)# interface serial 4/0... - Page 41 Default Value Clock source clock source [internal | line] line Cyclic redundancy check crc [16 | 32] DSU mode [no] dsu mode [adtran | cisco | digital-link | kentrox| cisco larscom] DSU subrate bandwidth [no] dsu bandwidth kbps 44210 Encapsulation...
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Page 42: Customizing The 6T3 Line Card Configuration
The DSU mode supports several third-party DSU vendors—Adtran, Digital Link, Kentrox, and Larscom—and the default DSU mode, Cisco. If you use a DSU to make the connection between the Cisco 7304 router and another device, the local DS3 port configuration must match the remote DS3 port configuration. -
Page 43: Setting The Sending And Receiving Rate
Payload (data) scrambling converts the data received by the local or remote DS3 ports from the Digital Link, Kentrox, and Larscom third-party DSU vendor modes as well as the default, Cisco mode. The Adtran DSU mode does not support payload scrambling. -
Page 44: Configuring The Clock Source
Note DSU interoperability mode as cisco on the local port, you must do the same on the remote port. You need to know what type of DSU is at the remote port to find out if it interoperates with the 6T3 line card. For T3 serial interfaces, specify cisco for connection from a 6T3 line card to another 6T3 line card. -
Page 45: Enabling T3 Scrambling
Chapter 4 Configuring the 6T3 Line Card Checking the Configuration adtran for connection from a 6T3 line card to an Adtran DSU. Specify digital-link for connection to a Digital Link DSU (DL3100). Specify kentrox for connection from a 6T3 line card to a Kentrox DSU. Specify larscom for connection from a 6T3 line card to a Larscom DSU. -
Page 46: Using Show Commands To Verify The New Interface Status
Displays system hardware Router# show version show hardware configuration, the number of each interface type installed, Cisco IOS software version, names and sources of configuration files, and boot images show controllers Displays all the current interface Router# show controllers... -
Page 47: Using The Show Version Or Show Hardware Commands
Note commands. The outputs in this document are examples only. Cisco 7304 Routers Following is an example of the show version command from a Cisco 7304 router with the 6T3 line card: Router# show version Cisco Internetwork Operating System Software IOS (tm) 7300 Software (C7300-JS-M), Version 12.1(1.23.139), CISCO DEVELOPMENT VERSION... -
Page 48: Using The Show Diag Command
The outputs in this document are examples only. Cisco 7304 Routers Following is an example of the show diag slot command that shows the 6T3 line card in slot 5 of a Cisco 7304 router: Router# show diag 5... -
Page 49: Using The Show Interfaces Command
Cisco 7304 Routers Following is an example of the show interfaces command for Cisco 7304 routers. In this example, the serial interfaces (0 to 5) are on a 6T3 line card in slot 5; also, the status information for interfaces 1 through 5 is omitted. -
Page 50: Ds3 Alarm And Event Detection
Current configurable parameter settings: Loopback is none, Framing is c-bit Clock source is internal, Cable length is 50 DSU mode is cisco, DSU bandwidth limit is 44210 Payload scrambling is disabled, CRC is 16 Transmitter delay is 0, Encapsulation is HDLC... -
Page 51: Using The Ping Command To Verify Network Connectivity
Table 4-8 provides examples of the loopback {dte | local | network {line | payload} | remote} command. The examples given are for interface 0 of a 6T3 line card in slot 2 of a Cisco 7304 router: Table 4-8... - Page 52 Chapter 4 Configuring the 6T3 Line Card Checking the Configuration Table 4-8 Using loopback Commands (continued) Command Function Example loopback network payload Sets the interface into network payload Router(config)# interface serial 2/0 Router(config-if)# loopback network loopback mode. Network payload payload loopback loops just the payload data back toward the network at the T3 framer.
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Page 53: Bit Error Rate Testing
The ratio of received bits on an interface that contain errors is called the bit error rate (BER). A bit error rate test (BERT) is used to check the BER. T3 bit error rate testing is used on the Cisco 7304 router to check communication between local and remote DS3 ports. - Page 54 Chapter 4 Configuring the 6T3 Line Card Line Card Crash Recovery The following messages are associated with line card recovery: Error Message 00:00:06:% LC-3-RECOVERY: Line card (slot <x>) recovery in progress Error Message 00:00:06:% LC-3-EXCESSERRORS: Noof errors seen on the line card (slot <x>) exceed the threshold When the 6T3 line card encounters any of the non-recoverable errors listed below, the line card is deactivated and must be restarted by performing a CLI-controlled OIR or physically removing and...