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Cisco 6260 Hardware Installation Guide
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-2365-02

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  • Page 1

    Cisco 6260 Hardware Installation Guide 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 Text Part Number: OL-2365-02...

  • Page 2

    OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY. The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB’s public domain version of the UNIX operating system. All rights reserved. Copyright © 1981, Regents of the University of California.

  • Page 3: Table Of Contents

    C H A P T E R 1.1 Introduction to the Cisco 6260 System 1.1.1 Features 1.1.2 Configurations 1.1.2.1 Cisco 6260 System with a POTS Splitter Configuration 1.1.2.2 Cisco 6260 System Without a POTS Splitter Configuration 1.1.2.3 IMA Configuration 1.1.2.4 Subtended Network Configuration 1.2 Cisco 6260 System Overview...

  • Page 4

    1-35 1.2.3.12 Network Clocking Overview 1-39 1.2.3.13 Redundancy Overview 1-39 1.2.3.14 Redundancy in Subtended Configurations 1-41 1.2.4 Cisco 6260 I/O Modules 1-41 1.2.4.1 E3 I/O Module Overview 1-41 1.2.4.2 E1 I/O Module Overview 1-42 1.2.4.3 OC-3c I/O Module Overview 1-43 1.2.4.4 I/O Module Wire-Wrap Pins...

  • Page 5

    3.2.6 Ground the Cisco 6260 3.2.7 Ground the Third-Party POTS Splitter 3.2.8 Connect the Cisco 6260 to the Third-Party POTS Splitter 3.2.9 Connect the Third-Party POTS Splitter to the MDF or to the Cross Connect 3.2.10 Attach Cisco 6260 Power Connections 3.2.11 Connect the Alarm and BITS Clock Contacts...

  • Page 6

    4.2.8 Connect the Alarm and BITS Clock Contacts 4-12 4.2.9 Apply Power 4-13 4.2.10 Verify Fan Tray Operation 4-14 4.2.11 Connect the Cisco 6260 System to the Network 4-14 4.2.11.1 E3 Network Connection 4-14 4.2.11.2 E1 Network Connection 4-15 4.2.11.3 OC-3c Network Connection 4-16 4.2.12 Install a Subtended Network Configuration...

  • Page 7

    Contents Upgrading and Maintaining the Cisco 6260 System C H A P T E R 6.1 Backing Up Software 6.2 Fan Tray Maintenance 6.2.1 Replacing or Cleaning the Air Filter 6.2.1.1 Required Tools and Equipment 6.2.1.2 Removing an Air Filter 6.2.1.3 Cleaning the Air Filter...

  • Page 8

    C.2 I/O Module Connectors C.2.1 E3 I/O Module BNC Connectors C.2.2 E1 I/O Module RJ-48c Connectors C.3 I/O Module Wire-Wrap Pins C.4 Console and Auxiliary Ports C.5 Ethernet Port N D E X Cisco 6260 Hardware Installation Guide viii OL-2365-02...

  • Page 9

    Cisco 6260 Fan Tray 1-47 Figure 1-25 Air Filters 1-48 Figure 2-1 Air Flow Through Intake and Exhaust Vents on the Cisco 6260 Chassis. 2-13 Figure 3-1 Mounting Options for Ear Brackets Figure 3-2 Screw the Mounting Aids to the Rack...

  • Page 10

    4-18 Figure 6-1 Removing the Bezel and Air Filters Figure 6-2 Close-up View of Cisco 6260 Chassis with Fan Trays and Bezel Figure 6-3 xTU-C Line Card Installation Figure 6-4 Positioning the Locking Tab for the xTU-C Line Card Installation and Removal...

  • Page 11

    Table 1-14 PEM LEDs 1-46 Table 2-1 CO Operating Environment Requirements 2-12 Table 2-2 Rack Space Calculation for the Cisco 6260 System Configurations 2-14 Table 2-3 Power Calculation for the Cisco 6260 System 2-14 Table 2-4 Tool and Equipment Requirements Checklist...

  • Page 12

    Fan Tray Specifications A-12 Table A-15 Software Specifications A-12 Table B-1 Port Mapping for Cisco 6260 Subscriber Connectors Table B-2 Standard Telco Color Chart Table C-1 I/O Module Wire-Wrap Pin Mapping Table C-2 Pin Assignments for the NI-2 Card Console and Auxiliary Connectors...

  • Page 13

    Guide. It also defines the conventions that are used to present instructions and information. Audience The Cisco 6260 Hardware Installation Guide is intended for use by central office (CO) technicians and maintenance personnel who are responsible for installing, configuring, and maintaining the Cisco 6260 system.

  • Page 14

    Appendix B, “Port Mapping Specifications,” provides cabling guidelines and port mapping tables for the Cisco 6260 system. • Appendix C, “Connector and Pinout Specifications,” provides information about connectors and pinouts for the Cisco 6260 system. Glossary. • Index. • Conventions This publication uses the document conventions listed in this section.

  • Page 15: Table

    To see translated versions of the warning, refer to the Regulatory Compliance and Safety document that accompanied the device. Related Documentation A complete list of all DSL product-related documentation is available on the World Wide Web at http://www.cisco.com/univercd/cc/td/doc/product/dsl_prod/index.htm. Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 16

    Preface Obtaining Documentation Obtaining Documentation The following sections provide sources for obtaining documentation from Cisco Systems. World Wide Web You can access the most current Cisco documentation on the World Wide Web at the following sites: http://www.cisco.com • http://www-china.cisco.com •...

  • Page 17

    Technical Assistance Center The Cisco TAC website is available to all customers who need technical assistance with a Cisco product or technology that is under warranty or covered by a maintenance contract. Contacting TAC by Using the Cisco TAC Website...

  • Page 18

    Preface Obtaining Technical Assistance In each of the above cases, use the Cisco TAC website to quickly find answers to your questions. To register for Cisco.com, go to the following website: http://www.cisco.com/register/ If you cannot resolve your technical issue by using the TAC online resources, Cisco.com registered users can open a case online by using the TAC Case Open tool at the following website: http://www.cisco.com/tac/caseopen...

  • Page 19: Introduction To The Cisco 6260 System

    1.1 Introduction to the Cisco 6260 System The Cisco 6260 system is part of the Cisco DSL product family that provides end-to-end service by carrying voice or data traffic, or both, between a subscriber’s home or office, a telephone central office (CO), and various networks beyond.

  • Page 20: Figure 1-1 Cisco 6260 Chassis Components

    POTS splitters (optional). The POTS splitter is a passive device that supports simultaneous voice • (basic telephone service) and data services. POTS splitters are available from Cisco Ecosystem partners. Please verify the compatibility with Note your Cisco representative. For POTS splitter information, refer to the vendor documentation.

  • Page 21: Features

    Chassis has 30 line card slots, redundant power entry modules (PEMs), and two-speed, • software-controlled cooling fans. Manageable through IOS or CDM. • Supports subtending of as many as twelve Cisco 6260 chassis for a maximum of 3120 subscribers. • Building integrated timing supply (BITS) clock input. • Facility alarm input.

  • Page 22: Cisco 6260 System With A Pots Splitter Configuration

    Introduction to the Cisco 6260 System 1.1.2.1 Cisco 6260 System with a POTS Splitter Configuration The Cisco 6260 system with a POTS splitter configuration supports up to 240 data subscribers. To increase subscribership, you can add chassis to your system.

  • Page 23: Figure 1-2 Inverse Multiplexing And Recombining Of Atm Cells Through Ima Groups

    Chapter 1 Product Overview Introduction to the Cisco 6260 System IMA breaks up the ATM cell stream, distributes the cells over the multiple physical links of an IMA group, and recombines the cells into a single stream at the other end of the connection. The ATM cells...

  • Page 24: Table 1-1 Ima Group Interface Names

    Subtended Configurations” section on page 1-41. A subtended network configuration Services and aggregates the data from one or more Cisco 6260 chassis into a subtending host chassis • to take advantage of the data network interface on the subtending host chassis.

  • Page 25: Figure

    ATM switch. The middle two Cisco 6260 chassis in the lowest level are daisy chained. You make network interface connections at the I/O module that is installed on the front of the Cisco 6260 chassis. Cisco 6260 Hardware Installation Guide...

  • Page 26: Figure 1-3 Subtended Network Configuration With Ds3/2ds3 Ni-2 Cards

    DS3/2DS3 NI-2 cards. Cisco IOS software does not manage the primary Cisco 6260 chassis and all subtended Cisco 6260 chassis as a single large Cisco 6260 system. Each Cisco 6260 chassis supports an independent Cisco IOS processor and MIBs. Cisco 6260 Hardware Installation Guide...

  • Page 27: Figure 1-4 Subtended Network Configuration Using Ds3+t1/e1 Ima Ni-2 Cards

    1.1.2.4.2 Subtended Network Configuration with DS3+T1/E1 IMA NI-2 Cards In a subtended network configuration using DS3+T1/E1 IMA NI-2 cards, you can subtend Cisco 6260 systems in a star topology. The eight E1 links can be used as network trunk or subtend interfaces or can...

  • Page 28: Figure 1-5 Daisy Chain Topology For Oc-3c Interfaces

    ATM backbone (see Figure 1-5). The Cisco 6260 chassis can also serve as the subtending host chassis to, or as a subtended node chassis Note from, the Cisco 6100, Cisco 6130, Cisco 6015, or Cisco 6160 chassis. Figure 1-5...

  • Page 29: Table 1-2 Cisco 6260 Card Slot Assignments

    1. 4xSDSLs and G.SHDSLs can be used only in a Cisco 6260 system without a POTS splitter configuration. 2. 8xDMT over ISDN can be used only in a Cisco 6260 system with a POTS splitter configuration. You can purchase blank faceplates for empty Cisco 6260 card slots.

  • Page 30: Figure 1-6 Cisco 6260 Card Slots

    Ten female RJ-21 (Champ) subscriber connectors are located at the top of the chassis, facing forward. These 50-pin sockets provide the DSL subscriber connections. Each subscriber connector serves three line card slots. Figure 1-7 depicts the Cisco 6260 subscriber connectors. Cisco 6260 Hardware Installation Guide 1-12 OL-2365-02...

  • Page 31: Figure 1-7 Cisco 6260 Champ Connectors

    • DS3+T1/E1 IMA NI-2 Card Overview, page 1-32 • OC-3c/OC-3c NI-2 Card Overview, page 1-35 Some line cards can be intermixed within the Cisco 6260 chassis. See the “Line Card Intermixing” section on page 1-27 for intermixing guidelines. 1.2.3.1 Quad-Port DMT ATU-C Line Card Overview The quad-port DMT ATU-C line card (4xDMT) •...

  • Page 32: Figure 1-8 4xdmt Faceplate

    The self-test is in progress. Green fast blinking The image download is in progress. Green solid The status is OK. The self-test or line card has failed. The ATU-C line card has had a power failure. Cisco 6260 Hardware Installation Guide 1-14 OL-2365-02...

  • Page 33: Quad-port Dmt Atu-c Over Isdn Line Card Overview

    The chassis can include up to 30 4xDMT over ISDN line cards, for a total of 120 ADSL modem connections. For hardware specifications for the 4xDMT over ISDN line card, see the “Quad-Port DMT over ISDN Note Line Card” section on page A-4. Cisco 6260 Hardware Installation Guide 1-15 OL-2365-02...

  • Page 34: Figure 1-9 4xdmt Over Isdn Faceplate

    The status is OK. The self-test or line card has failed. The ATU-C line card has had a power failure. ACTIVE Green solid The line card is activated. The line card is not in service. Cisco 6260 Hardware Installation Guide 1-16 OL-2365-02...

  • Page 35: Quad-port Flexi Atu-c Line Card Overview

    If provisioned, the 4xflexi rate adapts to the maximum bit rate negotiable on the line. The maximum bit rate settings are provisioned in the management software. The Cisco 6260 chassis can include up to 30 4xflexi line cards for a total of 120 ADSL modem connections.

  • Page 36: Figure 1-10 4xflexi Faceplate

    The status is OK. The self-test or line card has failed. The ATU-C line card has had a power failure. ACTIVE Green solid The line card is activated. The line card is not in service. Cisco 6260 Hardware Installation Guide 1-18 OL-2365-02...

  • Page 37: Quad-port Stu-c Line Card Overview

    1.2.3.4 Quad-Port STU-C Line Card Overview The quad-port STU-C line card (4xSDSL) Supports 2B1Q line encoding • Is designed for use in a Cisco 6260 system without a POTS splitter configuration • Supports four SDSL modem connections • Converts SDSL modulation from the line into digital data streams to and from the NI-2 card •...

  • Page 38: Figure 1-11 4xsdsl Faceplate

    The edge connector key, located on the rear of the 4xSDSL, connects the 4xSDSL to the backplane of the chassis. Two edge connector keys are available for the 4xSDSL: one has six notches, and one has seven notches. Only the seven-notched edge connector key can be installed in the Cisco 6260. 1.2.3.4.1 Faceplate Features Figure 1-11 shows a close-up of the 4xSDSL faceplate.

  • Page 39: Octal-port Dmt Atu-c Line Card Overview

    The chassis can include up to 30 8xDMTs for a total of 240 ADSL modem connections. For hardware specifications for the 8xDMT line card, see the “Octal-Port DMT ATU-C Line Card” Note section on page A-6. Cisco 6260 Hardware Installation Guide 1-21 OL-2365-02...

  • Page 40: Figure 1-12 8xdmt Faceplate

    The line card is activated. The line card is not in service. ATU-C 1 Green solid Modem 1 is trained. Green blinking Training is in progress for modem 1. Modem 1 is idle. Cisco 6260 Hardware Installation Guide 1-22 OL-2365-02...

  • Page 41: Octal-port Dmt Atu-c Over Isdn Line Card Overview

    Negotiates the line rate with the CPE when it trains and bases the rate on line quality and distance • For hardware specifications for the 8xDMT over ISDN line card, see the “Octal-Port DMT ATU-C Over Note ISDN Line Card” section on page A-7. Cisco 6260 Hardware Installation Guide 1-23 OL-2365-02...

  • Page 42: Figure 1-13 8xdmt Over Isdn Faceplate

    The line card is activated. The line card is not in service. ATU-C 1 Green solid Modem 1 is trained. Green blinking Training is in progress for modem 1. Modem 1 is idle. Cisco 6260 Hardware Installation Guide 1-24 OL-2365-02...

  • Page 43: Octal-port G.shdsl Shtu-c Line Card Overview

    Converts G.SHDSL modulation from the line into digital data streams to and from the NI-2 card • Supports fixed and adaptive rate modes • Has deployment guidelines when used in the Cisco 6260 system; see the “Guidelines for Intermixing • 8xG.SHDSLs—Cisco IOS Release 12.2(7)DA and Later” section on page 1-28.

  • Page 44: Figure 1-14 8xg.shdsl Faceplate

    Green solid The line card is activated. The line card is not in service. SHTU-C1 Green solid Modem 1 is trained. Green blinking Training is in progress for modem 1. Modem 1 is idle. Cisco 6260 Hardware Installation Guide 1-26 OL-2365-02...

  • Page 45: Line Card Intermixing

    Figure 1-6 shows the Cisco 6260 chassis slot numbers. Note The Cisco 6260 chassis supports line card intermixing. This section uses the terms halves and quadrants. The Cisco 6260 chassis consists of two halves: • Slots 1 to 9 and slots 18 to 26 (left half of the chassis) Slots 12 to 17 and slots 27 to 32 (right half of the chassis) •...

  • Page 46

    1.2.3.8.2 Guidelines for Intermixing 8xG.SHDSLs—Cisco IOS Release 12.1(7)DA2, 12.2(1b)DA, and 12.2(5)DA The Cisco 6260 chassis can be fully populated with 8xG.SHDSLs while retaining QoS, as long as the upstream bandwidth is provisioned at a maximum of 5 Mbps for even ports and a maximum of 5 Mbps for odd ports per line card.

  • Page 47: Figure 1-15 8xg.shdsl Deployment In The Cisco 6260 System

    The Cisco 6015, Cisco 6160, and Cisco 6260 can be fully populated with 8xG.SHDSLs while retaining QoS. • In the Cisco 6160 and Cisco 6260, once an 8xG.SHDSL is installed in a chassis quadrant, no other type of line card can be installed in that same quadrant. •...

  • Page 48: Ds3/2ds3 Ni-2 Card Overview

    Provides the network E3 network trunk interface through BNC connectors located on the E3 I/O • module. The Cisco 6260 system does not support the DS3 interface. When the DS3/2DS3 NI-2 card and Note the E3 I/O module are installed in the Cisco 6260 chassis, the system adopts E3 functionality.

  • Page 49: Figure 1-16 Ds3/2ds3 Ni-2 Card Faceplate

    2, and SBTD 3, which show the status ENET—An RJ-45 10BaseT receptacle that of the network trunk and subtend connections complies with Ethernet standards and that on the I/O module. provides connection to a system Ethernet. System alarm LED group Cisco 6260 Hardware Installation Guide 1-31 OL-2365-02...

  • Page 50: Ds3+t1/e1 Ima Ni-2 Card Overview

    Table 1-10 DS3/2DS3 NI-2 Card LED Group Indicators LED Group State Function Interface TEST Amber solid Cisco IOS detects that an obtrusive test (loopback) is status LED active on this interface. (5 in Cisco IOS does not detect obtrusive test activity. Figure 1-16)

  • Page 51

    Controls timing through an internal clock or BITS interface, or from an ATM interface (E1) • The BITS interface is connected through the I/O module located on the front of the Cisco 6260. Note Supports the aggregation of up to seven subtended node chassis that are configured for E1 or E1 •...

  • Page 52: Figure 1-17 Ds3+t1/e1 Ima Ni-2 Card Faceplate

    T1/E1 8, and T1/E1 9, which show the status complies with Ethernet standards and that of the network trunk and subtend connections provides connection to a system Ethernet. on the I/O module System alarm LED group Cisco 6260 Hardware Installation Guide 1-34 OL-2365-02...

  • Page 53: Oc-3c/oc-3c Ni-2 Card Overview

    Table 1-11 DS3+T1/E1 IMA NI-2 Card LED Group Indicators LED Group State Function Interface TEST Amber solid Cisco IOS detects that an obtrusive test (loopback) is status LED active on this interface. (5 in Cisco IOS does not detect obtrusive test activity. Figure 1-17)

  • Page 54

    • Controls timing and redundancy • The BITS interface is connected through the OC-3c I/O module located on the front of the Cisco Note 6260 chassis. Supports the aggregation of up to 12 subtended node chassis configured for OC-3c operation in a •...

  • Page 55: Figure 1-18 Oc-3c/oc-3c Ni-2 Card Faceplate

    Ejector lever System alarm LED group Locking tab Card status LED group ACO button 10 Fan alarm LED group CNSL—An RJ-45 receptacle that provides a serial connection to a system console. Maintenance RESET port Cisco 6260 Hardware Installation Guide 1-37 OL-2365-02...

  • Page 56: Table 1-12 Oc-3c/oc-3c Ni-2 Card Led Group Indicators

    Table 1-12 OC-3c/OC-3c NI-2 Card LED Group Indicators LED Group State Function Interface TEST Amber solid Cisco IOS detects that an obtrusive test (loopback) is status LED active on this interface. (5 in Cisco IOS does not detect obtrusive test activity. Figure 1-18)

  • Page 57: Network Clocking Overview

    1.2.3.12 Network Clocking Overview The NI-2 card receives its network timing signal from any one of the following sources: A BITS clock. When a BITS clock is the network timing signal source, the Cisco 6260 chassis • receives a clock signal through designated pins on the I/O module and distributes the signal through the Cisco 6260 backplane.

  • Page 58

    The OC-3c ports on the standby NI-2 card are available for APS link redundancy only if the standby NI-2 Note card is working and in a STANDBY-READY state. For more information on APS link redundancy, refer to the Upgrading DSLAMs for NI-2 Card and APS Link Redundancy document. Cisco 6260 Hardware Installation Guide 1-40 OL-2365-02...

  • Page 59: Redundancy In Subtended Configurations

    • OC-3c I/O Module Overview, page 1-43 • A Cisco 6260 chassis must have an I/O module installed. The I/O module is delivered installed near the top of the Cisco 6260 chassis, just below the subscriber connectors. Figure 1-1 shows the location of the I/O module on the Cisco 6260 chassis.

  • Page 60: E1 I/o Module Overview

    IMA group trunk or subtend interfaces. The E1 I/O module also provides the alarm pinouts and BITS clock input circuits for the Cisco 6260 system. The E1 I/O module works with the DS3+T1/E1 IMA NI-2 card in the Cisco 6260 chassis. Figure 1-20 shows a close-up of the E1 I/O module.

  • Page 61: Oc-3c I/o Module Overview

    No network trunk or subtending port connectors are needed on the OC-3c I/O module. These connectors are present on the OC-3c/OC-3c NI-2 card faceplate. The OC-3c I/O module works with the OC-3c/OC-3c NI-2 card in the Cisco 6260 chassis. Figure 1-21 shows a close-up of the OC-3c I/O module, including the wire-wrap pins located on the right side of the I/O module faceplate that support CO alarm relay interfaces and BITS clock input circuits.

  • Page 62: I/o Module Wire-wrap Pins

    Reserved (several pins are reserved for future specification) • Each of the wire-wrap pins is connected to the NI-2 cards in the Cisco 6260 chassis; however, only one NI-2 card manages the alarms. The ACO switch on the NI-2 card faceplate shuts off the audible alarms generated by the Cisco 6260 system software.

  • Page 63: Pem

    The Cisco 6260 system is equipped with one or two –48/–60V direct current (DC) PEMs, which distribute DC power within the chassis. The Cisco 6260 requires only one active PEM to operate; if two PEMs are installed, the second PEM serves as a hot backup to the first.

  • Page 64: Figure 1-23 Pem Faceplate

    You must remove the fan tray before you can remove the PEM. To turn off a Cisco 6260 that has two PEMs, you must flip the circuit breakers on both PEMs to the OFF (0) position.

  • Page 65: Fan Tray

    1.2.6 Fan Tray Two fan trays are installed in the Cisco 6260 chassis below the line cards. Each tray houses four fans. The compartments for the two fan trays are located side by side near the bottom of the chassis, just above the...

  • Page 66: Air Filters

    Product Overview Cisco 6260 System Overview 1.2.7 Air Filters Two air filters are located at the bottom of the Cisco 6260 chassis. The air filters must be removed and cleaned periodically. See Chapter 6, “Upgrading and Maintaining the Cisco 6260 System,”...

  • Page 67: Third-party Pots Splitter

    1.3.1 Management Software-Generated Alarms The Cisco 6260 includes CO alarm LED indicators and relays that indicate system status. You can wire CO facility alarm relay contacts for either normally open or normally closed operations. The supported alarms that are generated by the management software are: CRITICAL—A critical condition is indicated when the CRITICAL LED in the NI-2 card faceplate...

  • Page 68

    – the alarm in the Cisco IOS software. Visual and audible alarm relay contacts can be wired from the Cisco 6260 to CO alarm devices (remote lights or bells, for example) located anywhere within the facility. The visual and audible alarm relays are located on the I/O module, but the NI-2 card hardware operates them.

  • Page 69: Safety Requirements

    Caution warnings. 2.1 Safety Requirements This section describes safety requirements for the Cisco 6260 system. Before you install the Cisco 6260 system, ensure that all the criteria in this section are met. The section describes the following safety requirements: Safety Guidelines, page 2-1 •...

  • Page 70: Warning Definition

    Tässä julkaisussa esiintyvien varoitusten käännökset löydät laitteen mukana olevasta Regulatory Compliance and Safety Information -kirjasesta (määräysten noudattaminen ja tietoa turvallisuudesta). Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 71

    Se förklaringar av de varningar som förkommer i denna publikation i dokumentet Regulatory Compliance and Safety Information (Efterrättelse av föreskrifter och säkerhetsinformation), vilket medföljer denna anordning. Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 72

    Before working on a chassis or working near power supplies, unplug the power cord on AC units; Warning disconnect the power at the circuit breaker on DC units. Care must be given to connecting units to the supply circuit so that wiring is not overloaded. Warning Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 73

    (SELV) circuits. SELV circuits should only be connected to other SELV circuits. Because the BRI circuits are treated like telephone-network voltage, avoid connecting the SELV circuit to the telephone network voltage (TNV) circuits. Ethernet cables must be shielded when used in a central office environment. Warning Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 74

    (SELV) requirements in one or more of the following: UL 60950, UL1950, CSA 950, EN 60950, and IEC950, can be connected to a Cisco 6260 system. This requirement ensures that in a catastrophic power source fault condition, hazardous voltages are not present on power terminals and connectors.

  • Page 75

    Do not operate the system unless all cards, faceplates, front covers, and rear covers are in place. Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Warning Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 76

    This is a Class A product based on the standard of the Voluntary Control Council for Interference by Information Technology Equipment (VCCI). If this equipment is used in a domestic environment, radio disturbance may arise. When such trouble occurs, the user may be required to take corrective actions. Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 77: Preventing Electrostatic Discharge Damage

    2.1.3 Preventing Electrostatic Discharge Damage Proper electrostatic discharge (ESD) protection is required whenever you handle Cisco equipment. ESD damage, which can occur when electronic cards or components are improperly handled, results in complete or intermittent failures. Use an antistatic strap during handling.

  • Page 78: General Maintenance Guidelines

    Hot swapping allows you to remove and replace an I/O module without disconnecting the system power. The Cisco 6260 chassis supports hot swapping for the I/O module, but removing the I/O module interrupts the service for the entire system until it is replaced.

  • Page 79: Installation And Replacement Suggestions

    2.2 Site Requirements This section describes requirements for the site at which the Cisco 6260 system is to be installed. Before you install the Cisco 6260 system, ensure that all the criteria in this section are met. The section...

  • Page 80: Temperature, Altitude, And Humidity

    2.2.1.2 Ventilation The Cisco 6260 fans maintain a suitable operating temperature for the internal circuitry. Ensure that the air intake vents at the lower front of the chassis and the air exhaust vents on the top of the chassis are not obstructed in any way.

  • Page 81: Space

    ATUC-1 -4DMT -4DMT 2.2.1.3 Space The Cisco 6260 system fits in either a 19-inch (48.26 cm) wide rack or a 23-inch (58.42 cm) wide rack, if extenders are installed. See Table 2-2 for individual rack space requirements. The Cisco 6260 chassis is 23.5 inches (59.69 cm) in height and 10.86 inches (27.58 cm) in depth, taking 13.43 rack units (RUs) of space per chassis.

  • Page 82: Power Requirements

    Multiply 13.43 RUs by the total number of chassis on line 1. Multiply line 3 by the total number of POTS splitters on line 2. Add lines 4 and 5 for the total number of RUs needed with your Cisco 6260 with a POTS splitter configuration.

  • Page 83: Rack-mounting Requirements

    Add lines 1 through 10. This is the typical power required for the Cisco 6260. 2.2.3 Rack-Mounting Requirements We recommend that you mount the Cisco 6260 system in a rack. Ensure that vertical hole spacing on the rack rails meets standard EIA-310-C or ETS300 requirements—1 inch (2.54 cm) spacing.

  • Page 84: Required Tools And Equipment

    Chapter 4, “Installing a Cisco 6260 Without a POTS Splitter Configuration.” Table 2-4 also lists the tools and equipment you need to remove and install the Cisco 6260 system components as detailed in Chapter 6, “Upgrading and Maintaining the Cisco 6260 System.”...

  • Page 85

    1. SMF = single-mode fiber. 2. MMF = multimode fiber. 3. The third-party vendor POTS splitter is used in a Cisco 6260 with a POTS splitter configuration only. 4. CDM = Cisco DSL Manager. The Cisco 6260 system has no internal user-serviceable parts.

  • Page 86: Unpacking The Cisco 6260 System

    Inspect the packing containers. Step 1 If any damage or other signs of mishandling are evident, inform both the local freight carrier and Cisco before unpacking. Your freight carrier can provide you with the procedures necessary to file a claim for damages.

  • Page 87

    Cisco Systems Corporate Service Center or an Authorized Cisco Systems Service Center during the applicable warranty period. Contact the Cisco TAC for the location of your nearest service center. See the back of the title page for Cisco Systems supplementary warranty information for hardware and software products.

  • Page 88

    Chapter 2 Preparing for Installation Inspecting for Damage Cisco 6260 Hardware Installation Guide 2-20 OL-2365-02...

  • Page 89: Chapter 3 Installing A Cisco 6260 With A Pots Splitter Configuration

    This chapter provides installation procedures for a Cisco 6260 with a POTS splitter configuration. Note The installation procedures in this chapter apply to a Cisco 6260 system shipped with the individual hardware components already installed. For information about installing or replacing hardware components in the Cisco 6260 chassis, see Chapter 6, “Upgrading and Maintaining the...

  • Page 90: Installation Checklist

    Installing a Cisco 6260 with a POTS Splitter Configuration Installation Checklist 3.1 Installation Checklist When you install a Cisco 6260 with a POTS splitter configuration, be sure that you follow the installation procedures in the proper sequence. Table 3-1 is a checklist of the installation steps in the order in which they should occur.

  • Page 91: Installation Procedures

    3.2.1 Measure Rack Space For the rack to remain stable, you must install your Cisco 6260 system from the bottom to the top of the rack. Before you install any of the chassis, measure the total rack space required to install your system. The required rack space depends on the number of Cisco 6260 chassis and third-party POTS splitters that you plan to use.

  • Page 92: Attach Ear Brackets To The Cisco 6260

    For Cisco 6260 installation in a 19-inch rack, attach the ear brackets so that the long side of each L is against the chassis wall and the short side protrudes from the chassis.

  • Page 93: Install The Cisco 6260 Chassis

    Installing a Cisco 6260 with a POTS Splitter Configuration Installation Procedures 3.2.4 Install the Cisco 6260 Chassis Complete the following steps to install the Cisco 6260 chassis. Two people are required to lift the chassis. Grasp the chassis underneath the lower edge and lift with Warning both hands.

  • Page 94: Install Blank Faceplates

    Cisco 6260 chassis that you are installing. Step 6 3.2.5 Install Blank Faceplates Blank faceplates should occupy any empty slots in the Cisco 6260 chassis. Blank faceplate installation is similar to line card installation. Cisco 6260 Hardware Installation Guide...

  • Page 95: Ground The Cisco 6260

    Remove all paint or oxidation from the rack at the point of the grounding connection. Step 3 Measure enough wire to connect the Cisco 6260 to the rack. Use 10 American Wire Gauge (AWG) green or green with yellow stripes wire to ground the Cisco 6260 chassis.

  • Page 96: Ground The Third-party Pots Splitter

    Chapter 3 Installing a Cisco 6260 with a POTS Splitter Configuration Installation Procedures Figure 3-4 System Ground Connection PEM 1/PEM 2 AUD_CRIT/AU D_MAJ AUD_MIN/VIS _CRIT VIS_MAJ/VIS_ MIN 1 A MAX STAT_ALARM S BUS_A/BITS_ B Grounding holes in side of Grounding...

  • Page 97: Connect The Cisco 6260 To The Third-party Pots Splitter

    PEM, or connect both PEMs to a single power source. Complete these instructions to connect the Cisco 6260 system to a –48 VDC power source. Ground the chassis before you attempt this procedure, as described in the “Ground the Cisco 6260”...

  • Page 98

    Measure 0.43 inch (11 mm) up from the end of each power and ground wire and place a mark at that point. These are the wire ends that will be connected to the Cisco 6260. Use the wire stripping tool to remove 0.43 inch (11 mm) of the covering from both ends of each wire.

  • Page 99: Figure 3-6 Positioning The Power And Ground Terminals To Accept Wires

    Chapter 3 Installing a Cisco 6260 with a POTS Splitter Configuration Installation Procedures Figure 3-6 Positioning the Power and Ground Terminals to Accept Wires I N P A I L Correct terminal position (open) I N P A I L...

  • Page 100: Figure 3-7 Insert Grounding Wire Into Grounding Receptacle

    (SELV) requirements in UL1950, CSA 950 3rd Edition, EN 60950, and IEC950, can be connected to a Cisco 6260 system. This requirement ensures that in a catastrophic power source fault condition, hazardous voltages are not present on power terminals and connectors.

  • Page 101: Connect The Alarm And Bits Clock Contacts

    Be sure that the chassis is connected to earth ground as described in the “Ground the Note Cisco 6260” section on page 3-7. The Cisco 6260 requires two or three ground connections, one to the side of the chassis and one to each PEM. Step 13 Repeat...

  • Page 102: Apply Power

    Repeat this step to wire-wrap all the necessary pins. The BITS pins on Cisco 6260 I/O cards are slot specific. BITS_A pins are assigned to Note chassis slot 11 and BITS_B pins are assigned to chassis slot 10. Each BITS clock input is independent and terminated at 100 ohms.

  • Page 103: Verify Fan Tray Operation

    (+) terminal on the Cisco 6260 terminal block. Connect the voltmeter negative contact to the negative (–) terminal on the Cisco 6260 terminal block. If the power is wired correctly, you will see a reading of – 48V on the voltmeter.

  • Page 104: E1 Network Connection

    Verify that you have both a DS3+T1/E1 IMA NI-2 card and an E1 I/O module installed in the Cisco 6260 chassis. The E1 I/O module connections attach to the ATM switch. Cisco provides four sets of two vertically paired E1 RJ-48c (120-ohm) connectors that can be used as network trunk connections, individual E1 subtend links, connections to IMA subtending groups, or connections to IMA group trunk interfaces.

  • Page 105: Oc-3c Network Connection

    Do not stare into the beam or view it directly with optical instruments. Warning Step 1 Verify that an OC-3c/OC-3c NI-2 card is in slot 10 of the Cisco 6260 chassis (or slot 11, if you are installing a secondary card for NI-2 redundancy). Cisco 6260 Hardware Installation Guide...

  • Page 106: Install A Subtended Network Configuration

    Chapter 3 Installing a Cisco 6260 with a POTS Splitter Configuration Installation Procedures Step 2 Attach the receive (RX) cable from the ATM switch to the trunk 1 (TRNK 1) transmit (TX) connector in the inset on the NI-2 card faceplate. The TX connector is the one closer to the top of the faceplate.

  • Page 107: Connect The E1 Subtending Network Configuration

    Chapter 3 Installing a Cisco 6260 with a POTS Splitter Configuration Installation Procedures Step 2 On the first subtended node chassis I/O module, attach the other end of the cable to the P1 RX BNC connector. Step 3 On the subtending host chassis I/O module, attach one end of a BNC cable to the P2 or (P3) RX BNC connector.

  • Page 108: Connect The Oc-3c Subtending Network Configuration

    NI-2 card. To cable the Cisco 6260 system for OC-3c subtending, complete the following steps: Locate the TRNK 1 network interface connectors (TX and RX) and the subtend (SBTD) 2 interface Step 1 connectors (TX and RX) on the front of each OC-3c/OC-3c NI-2 card.

  • Page 109: Connect A Console Terminal

    Chapter 3 Installing a Cisco 6260 with a POTS Splitter Configuration Installation Procedures Step 2 Run the cable through the ferrite one time, loop the cable back through the ferrite, and clamp the ferrite shut. Step 3 Connect the other end of the cable to the management network (for example, a LAN).

  • Page 110: Complete Initial Configuration

    Installation Procedures 3.2.19 Complete Initial Configuration When you turn on the Cisco 6260 for the first time, an interactive dialog called the System Configuration Dialog appears in a window on the console screen. The System Configuration Dialog guides you through the initial configuration process.

  • Page 111

    For example, ATM6/4 is slot 6, port 4. • Ethernet0/0 is the interface for the LAN that connects the Cisco 6260 to its management system. 3.2.19.2.2 Basic Management Setup Example This is the basic management setup example:...

  • Page 112

    Chapter 3 Installing a Cisco 6260 with a POTS Splitter Configuration Installation Procedures The enable password is used when you do not specify an enable secret password, with some older software versions, and some boot images. Enter enable password: beansoup...

  • Page 113

    Chapter 3 Installing a Cisco 6260 with a POTS Splitter Configuration Installation Procedures [0] Go to the IOS command prompt without saving this config. [1] Return back to the setup without saving this config. [2] Save this configuration to nvram and exit.

  • Page 114

    Chapter 3 Installing a Cisco 6260 with a POTS Splitter Configuration Installation Procedures The enable password is used when you do not specify an enable secret password, with some older software versions, and some boot images. Enter enable password [lab]: lab The virtual terminal password is used to protect access to the router over a network interface.

  • Page 115

    Chapter 3 Installing a Cisco 6260 with a POTS Splitter Configuration Installation Procedures The following configuration command script was created: hostname sw-ni2-2 enable secret 5 $1$12Lo$vGKa1wlRcNyw06j1bgGQd0 enable password lab line vty 0 4 password lab no snmp-server ip routing interface ATM0/0 ip address 70.0.0.2 255.0.0.0...

  • Page 116

    Chapter 3 Installing a Cisco 6260 with a POTS Splitter Configuration Installation Procedures interface ATM26/3 no ip address [0] Go to the IOS command prompt without saving this config. [1] Return back to the setup without saving this config. [2] Save this configuration to nvram and exit.

  • Page 117: Chapter 4 Installing A Cisco 6260 Without A Pots Splitter Configuration

    This chapter provides installation procedures for a Cisco 6260 without a POTS splitter configuration. Note The installation procedures in this chapter apply to a Cisco 6260 system shipped with the individual hardware components already installed. For information about installing or replacing hardware components in the Cisco 6260 chassis, see Chapter 6, “Upgrading and Maintaining the...

  • Page 118: Installation Checklist

    The following sections detail the installation procedures for a Cisco 6260 without a POTS splitter configuration. 4.2.1 Measure Rack Space For the rack to remain stable, you must install your Cisco 6260 system from the bottom to the top of the rack. Cisco 6260 Hardware Installation Guide...

  • Page 119

    Before you install any of the chassis, measure the total rack space required to install your system. The required rack space depends on the number of Cisco 6260 chassis that you plan to use. The number of chassis increases if you plan to install a subtended network.

  • Page 120: Attach Ear Brackets To The Cisco 6260

    For Cisco 6260 installation in a 19-inch rack, attach the ear brackets so that the long side of each L is against the chassis wall and the short side protrudes from the chassis.

  • Page 121: Install The Cisco 6260 Chassis

    Installing a Cisco 6260 Without a POTS Splitter Configuration Installation Procedures 4.2.3 Install the Cisco 6260 Chassis Complete the following steps to install the Cisco 6260 chassis. Two people are required to lift the chassis. Grasp the chassis underneath the lower edge and lift with Warning both hands.

  • Page 122: Install Blank Faceplates

    Cisco 6260 chassis that you are installing. Step 6 4.2.4 Install Blank Faceplates Blank faceplates should occupy any empty slots in the Cisco 6260 chassis. Blank faceplate installation is similar to line card installation. Cisco 6260 Hardware Installation Guide...

  • Page 123: Ground The Cisco 6260

    Remove all paint or oxidation from the rack at the point of the grounding connection. Step 3 Measure enough wire to connect the Cisco 6260 to the rack. Use 10 American Wire Gauge (AWG) green or green with yellow stripes wire to ground the Cisco 6260 chassis.

  • Page 124: Connect The Cisco 6260 To The Mdf

    Cisco 6260 chassis, as necessary. 4.2.6 Connect the Cisco 6260 to the MDF Use ten RJ-21 (Champ) cables to connect the Cisco 6260 to the MDF. This connection is for xDSL data flow between the Cisco 6260 and the MDF.

  • Page 125: Attach Cisco 6260 Power Connections

    PEM, or connect both PEMs to a single power source. Complete these instructions to connect the Cisco 6260 system to a –48 VDC power source. Ground the chassis before you attempt this procedure, as described in the “Ground the Cisco 6260”...

  • Page 126: Figure

    Chapter 4 Installing a Cisco 6260 Without a POTS Splitter Configuration Installation Procedures Figure 4-5 Strip and Square Off Power and Ground Wires 0.43 in. (11 mm) Remove the covering from exactly the specified length of each power wire. If you strip too much of Warning the covering, exposed wire protruding from the terminal block will create an electrical hazard.

  • Page 127: Figure 4-7 Insert Grounding Wire Into Grounding Receptacle

    (SELV) requirements in UL1950, CSA 950 3rd Edition, EN 60950, and IEC950, can be connected to a Cisco 6260 system. This requirement ensures that in a catastrophic power source fault condition, hazardous voltages are not present on power terminals and connectors.

  • Page 128: Connect The Alarm And Bits Clock Contacts

    Be sure that the chassis is connected to earth ground as described in the “Ground the Note Cisco 6260” section on page 4-7. The Cisco 6260 requires two or three ground connections, one to the side of the chassis and one to each PEM. Step 13 Repeat...

  • Page 129: Apply Power

    Repeat this step to wire-wrap all the necessary pins. The BITS pins on Cisco 6260 I/O cards are slot specific. BITS_A pins are assigned to Note chassis slot 11 and BITS_B pins are assigned to chassis slot 10. Each BITS clock input is independent and terminated at 100 ohms.

  • Page 130: Verify Fan Tray Operation

    (+) terminal on the Cisco 6260 terminal block. Connect the voltmeter negative contact to the negative (–) terminal on the Cisco 6260 terminal block. If the power is wired correctly, you will see a reading of – 48V on the voltmeter.

  • Page 131: E1 Network Connection

    Verify that you have both a DS3+T1/E1 IMA NI-2 card and an E1 I/O module installed in the Cisco 6260 chassis. The E1 I/O module connections attach to the ATM switch. Cisco provides four sets of two vertically paired E1 RJ-48c (120-ohm) connectors that can be used as network trunk connections, individual E1 subtend links, connections to IMA subtending groups, or connections to IMA group trunk interfaces.

  • Page 132: Oc-3c Network Connection

    Do not stare into the beam or view it directly with optical instruments. Warning Step 1 Verify that an OC-3c/OC-3c NI-2 card is in slot 10 of the Cisco 6260 chassis (or slot 11, if you are installing a secondary card for NI-2 redundancy). Cisco 6260 Hardware Installation Guide...

  • Page 133: Install A Subtended Network Configuration

    Chapter 4 Installing a Cisco 6260 Without a POTS Splitter Configuration Installation Procedures Step 2 Attach the RX cable from the ATM switch to the trunk 1 (TRNK 1) TX connector in the inset on the NI-2 card faceplate. The TX connector is the one closer to the top of the faceplate. The connector IDs are silkscreened inside the inset.

  • Page 134: Connect The E1 Subtending Network Configuration

    Chapter 4 Installing a Cisco 6260 Without a POTS Splitter Configuration Installation Procedures Step 2 On the first subtended node chassis I/O module, attach the other end of the cable to the P1 RX BNC connector. Step 3 On the subtending host chassis I/O module, attach one end of a BNC cable to the P2 or (P3) RX BNC connector.

  • Page 135: Connect The Oc-3c Subtending Network Configuration

    NI-2 card. To cable the Cisco 6260 system for OC-3c subtending, complete the following steps: Locate the TRNK 1 network interface connectors (TX and RX) and the subtend (SBTD) 2 interface Step 1 connectors (TX and RX) on the front of each OC-3c/OC-3c NI-2 card.

  • Page 136: Connect A Console Terminal

    Chapter 4 Installing a Cisco 6260 Without a POTS Splitter Configuration Installation Procedures Step 2 Run the cable through the ferrite one time, loop the cable back through the ferrite, and clamp the ferrite shut. Step 3 Connect the other end of the cable to the management network (for example, a LAN).

  • Page 137: Complete Initial Configuration

    Installation Procedures 4.2.16 Complete Initial Configuration When you turn on the Cisco 6260 for the first time, an interactive dialog called the System Configuration Dialog appears in a window on the console screen. The System Configuration Dialog guides you through the initial configuration process.

  • Page 138

    For example, ATM6/4 is slot 6, port 4. • Ethernet0/0 is the interface for the LAN that connects the Cisco 6260 to its management system. 4.2.16.2.2 Basic Management Setup Example This is the basic management setup example:...

  • Page 139

    Chapter 4 Installing a Cisco 6260 Without a POTS Splitter Configuration Installation Procedures The enable password is used when you do not specify an enable secret password, with some older software versions, and some boot images. Enter enable password: beansoup...

  • Page 140

    Chapter 4 Installing a Cisco 6260 Without a POTS Splitter Configuration Installation Procedures [0] Go to the IOS command prompt without saving this config. [1] Return back to the setup without saving this config. [2] Save this configuration to nvram and exit.

  • Page 141

    Chapter 4 Installing a Cisco 6260 Without a POTS Splitter Configuration Installation Procedures The enable password is used when you do not specify an enable secret password, with some older software versions, and some boot images. Enter enable password [lab]: lab The virtual terminal password is used to protect access to the router over a network interface.

  • Page 142

    Chapter 4 Installing a Cisco 6260 Without a POTS Splitter Configuration Installation Procedures The following configuration command script was created: hostname sw-ni2-2 enable secret 5 $1$12Lo$vGKa1wlRcNyw06j1bgGQd0 enable password lab line vty 0 4 password lab no snmp-server ip routing interface ATM0/0 ip address 70.0.0.2 255.0.0.0...

  • Page 143

    Chapter 4 Installing a Cisco 6260 Without a POTS Splitter Configuration Installation Procedures interface ATM26/3 no ip address [0] Go to the IOS command prompt without saving this config. [1] Return back to the setup without saving this config. [2] Save this configuration to nvram and exit.

  • Page 144

    Chapter 4 Installing a Cisco 6260 Without a POTS Splitter Configuration Installation Procedures Cisco 6260 Hardware Installation Guide 4-28 OL-2365-02...

  • Page 145: Chapter 5 Troubleshooting

    C H A P T E R Troubleshooting This chapter explains how to isolate faults in the Cisco 6260 system. Most problems in a Cisco 6260 can be traced to one of the system field-replaceable units (FRUs), which include the following: •...

  • Page 146: Basic Checks

    5.3 Contacting the Cisco TAC for Help In certain situations, the troubleshooting tables in this chapter direct you to contact the Cisco Technical Assistance Center (TAC) for help. If you have a maintenance contract or if your hardware is under...

  • Page 147: System-wide Problems

    “NI-2 Card Problems” section on page 5-8. If the Cisco 6260 is set to boot from a remote device over the network, make sure the remote device is up, that its network connection is solid, and that it contains the boot file. (The Cisco 6260 tries to boot over the network for a configured period, usually 5 to 15 minutes.

  • Page 148: Table 5-2 System-wide Problems

    To check, use the ping command to ping each device from the other (that is, ping the Cisco 6260 from the Telnet source, and ping the Telnet source from the Cisco 6260). Alternatively, ping your default gateways from each end of the connection.

  • Page 149: Table

    If you need to run a loopback test, do the following: – In interface configuration mode, enter loopback diagnostic or loopback line. Set the external test equipment to loop data through the Cisco 6260 port. – – Obtain loopback results from your external test equipment.

  • Page 150: Table

    If you need to run a loopback test to troubleshoot the E1 links, do the following tasks: – In interface configuration mode, enter loopback diagnostic (or loopback line). Set the external test equipment to loop data through the Cisco 6260 port. – Obtain loopback results from your external test equipment.

  • Page 151: Table

    DSLAM(config-if)# If you need more information on interface configuration, refer to the Configuration Guide for Cisco DSLAMs with NI-2 and the ATM Switch Router Software Configuration Guide. In interface configuration mode, reset the port by executing the shutdown command followed by the no shutdown command.

  • Page 152: Fru-specific Problems

    Inspect connectors on both the card and the backplane, looking for obstructions, bent pins, inserted into its slot. or other damage. If you find damage to a line card connector, replace the line card. If you find damage to a backplane connector, contact the Cisco TAC. Cisco 6260 Hardware Installation Guide OL-2365-01...

  • Page 153: Card Redundancy Problems

    The software versions on the primary and secondary NI-2 cards might be mismatched. upon switchover. Use the Cisco IOS show version command to determine the IOS release currently installed on each of the NI-2 cards. Refer to the Upgrading DSLAMs for NI-2 Card and APS Link Redundancy document for more information on upgrading software images.

  • Page 154: Line Card Problems

    If you find damaged pins on the card, replace it. If you find damaged pins on the backplane, contact the Cisco TAC. All ports on a card fail to come Enter the show ipc nodes command to find out whether there is a communication up (modems do not train).

  • Page 155

    In interface configuration mode, reset the port by executing the shutdown command followed by the no shutdown command. Connect the subscriber to another port on the Cisco 6260. If the modems do not train, troubleshoot the CPE device and the loop as described below under the symptom “You suspect a problem with the CPE or the subscriber loop.”...

  • Page 156: Table

    Reduce the bit rate using the dmt bitrate command. (See the Command – Reference for Cisco DSLAMs with NI-2 for information on the dmt bitrate command.) Increase the SNR margin using the dmt margin command. (See the Command –...

  • Page 157: Table

    (continued). followed by the no shutdown command. Connect the customer to a different port on the Cisco 6260. If the modems train, replace the line card with the faulty port. Troubleshoot the CPE device and the loop as described above under the symptom “You suspect a problem with the CPE or the subscriber loop.”...

  • Page 158: I/o Module Problems

    Make sure the software release running on your system is compatible with the console or in the system log file: hardware. The Cisco 6260 requires Cisco IOS Release 12.1(4)DA or greater. Enter the command show hardware chassis. In the resulting display, look for data...

  • Page 159: Fan Tray Problems

    Reduce the ambient temperature. Air filter is damaged, dirty, Refer to Chapter 6, “Upgrading and Maintaining the Cisco 6260 System” for instructions or clogged. on cleaning or replacing air filters. Cisco 6260 Hardware Installation Guide...

  • Page 160: Pem Problems

    PEM. Contact the Cisco TAC for assistance. PEM has problems in one There might be a fault in your backplane. Contact the Cisco TAC. slot but operates normally in the other.

  • Page 161: Alarms

    5-20 describe alarms for the Cisco 6260. In each table, the text in the Alarm column is the text that appears in the description field of the alarm message. Alarm messages appear on the console screen as the alarms occur; to see a list of current alarms, enter the show facility-alarm status command.

  • Page 162: Table 5-13 Oc-3c/synchronous Transfer Mode (stm-1) Network Interface Alarms

    The DS3/E3 line has detected an Out of Frame condition. LOS Detected Critical The DS3/E3 line has detected Loss of Signal at the framer. PLCP LOF Detected Critical The DS3/E3 line has detected a Physical Layer Convergence Procedure Loss of Frame error. Cisco 6260 Hardware Installation Guide 5-18 OL-2365-01...

  • Page 163: Table 5-15 E1 Network Interface Alarms

    IMA link specific defect) is in the link-related “Link Information” field. Rx Fault Critical Implementation specific Rx fault declared at the near end. Tx Fault Critical Implementation specific Tx fault declared at the near end. Cisco 6260 Hardware Installation Guide 5-19 OL-2365-01...

  • Page 164: Table 5-17 Ima Group Alarms

    _SLOT_MISSING_AL a standby NI-2 card, but the card is not installed in the chassis. Redundancy process failed NI2_RF_PROCESS_F Major An internal redundancy software process has failed AILED and redundancy might not be available. Cisco 6260 Hardware Installation Guide 5-20 OL-2365-01...

  • Page 165: Table 5-19 Fan Tray Alarms

    Power supply fault Major One or both PEMs are reporting a fault caused by high temperature, output failure, or input failure. Temperature exceeds limit Major The PEM temperature is beyond the acceptable range. Cisco 6260 Hardware Installation Guide 5-21 OL-2365-01...

  • Page 166

    Chapter 5 Troubleshooting Alarms Cisco 6260 Hardware Installation Guide 5-22 OL-2365-01...

  • Page 167: Chapter 6 Upgrading And Maintaining The Cisco 6260 System

    Remember to update your backup files whenever you change your configuration or upgrade your Cisco IOS software. Complete the following steps to copy the Cisco IOS software image and configuration file to a TFTP server: Log in to the Cisco 6260 node whose software you wish to back up.

  • Page 168: Fan Tray Maintenance

    Keep a log recording the date of each filter cleaning and filter replacement. You can clean or replace the air filters while the Cisco 6260 remains powered up and fully operational. You can order a replacement air filter through Cisco.

  • Page 169: Removing An Air Filter

    Step 1 Connect a grounding strap to the ESD grounding jack that is located on the top right of the Cisco 6260 card cage. Using a Phillips-head screwdriver, loosen the screw and remove the metal bezel that covers the air filters.

  • Page 170: Cleaning The Air Filter

    You need not turn off the power before removing a fan tray. However, if you must remove a fan tray from Note an operating Cisco 6260, replace it within 5 minutes. If that is not possible, shut the system down and turn off the power to avoid thermal damage.

  • Page 171: Figure 6-2 Close-up View Of Cisco 6260 Chassis With Fan Trays And Bezel

    Fan tray Bezel Complete these steps to remove and replace a fan tray in the Cisco 6260: Connect a grounding strap to the ESD grounding jack located on the top right of the Cisco 6260 Step 1 card cage. Use a Phillips-head screwdriver to loosen the screw to remove the bezel that partially covers the fan trays.

  • Page 172: Installing And Replacing Hardware

    Caution Proper ESD protection is required whenever you handle Cisco digital subscriber line access multiplexer (DSLAM) equipment. Installation and maintenance personnel should be properly grounded by means of ground straps to eliminate the risk of ESD damage to the equipment. Cards are subject to ESD damage whenever they are removed from the chassis.

  • Page 173: Xtu-c Line Card

    It is important that you complete each step before moving on to the next step. Note Connect a grounding strap to the ESD grounding jack that is located on the top right of the Cisco 6260 Step 1 card cage.

  • Page 174: Figure 6-3 Xtu-c Line Card Installation

    Figure 6-4 Positioning the Locking Tab for the xTU-C Line Card Installation and Removal Locked Unlocked position position It is not necessary to lock the xTU-C line cards in the Cisco 6260 chassis. Note Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 175: Removing An Xtu-c Line Card

    6.3.1.2 Removing an xTU-C Line Card Complete the following steps to remove a xTU-C line card from the chassis: Connect a grounding strap to the ESD grounding jack that is located on the top right of the Cisco 6260 Step 1 card cage.

  • Page 176: Installing A Ds3/2ds3 Ni-2 Card

    Complete the following steps to install a DS3/2DS3 NI-2 card in the chassis. It is important to complete each step before moving on to the next step. Connect a grounding strap to the ESD grounding jack that is located on the top right of the Cisco 6260 Step 1 card cage.

  • Page 177: Figure 6-5 Ni-2 Card Installation

    Chapter 6 Upgrading and Maintaining the Cisco 6260 System Installing and Replacing Hardware Figure 6-5 NI-2 Card Installation PEM 1/PEM 2 AUD_CRIT/A UD_MAJ AUD_MIN/V IS_CRIT VIS_MAJ/VIS _MIN 0.5 A MAX STAT_ALAR MS BUS_A/BITS _B BLANK NI-2 -155SM-1 55SM STATUS STATUS...

  • Page 178: Removing A Ds3/2ds3 Ni-2 Card

    Complete the following steps to remove a DS3/2DS3 NI-2 card from the chassis. It is important that you complete each step before moving on to the next step. Connect a grounding strap to the ESD grounding jack that is located on the top right of the Cisco 6260 Step 1 chassis.

  • Page 179: Installing A Ds3+t1/e1 Ima Ni-2 Card

    All cards must be fully seated in the chassis. A push on the faceplate of each card is required for the card Note to be fully seated. Connect a grounding strap to the ESD grounding jack that is located on the top right of the Cisco 6260 Step 1 card cage.

  • Page 180: Removing A Ds3+t1/e1 Ima Ni-2 Card

    Step 1 Connect a grounding strap to the ESD grounding jack that is located on the top right of the Cisco 6260 chassis. Disconnect the cable connected to the AUX receptacle on the NI-2 card, if necessary.

  • Page 181: Oc-3c/oc-3c Ni-2 Card

    Caution Installing the cards in the chassis with the power leads reversed can damage the cards. The power supply circuitry for the Cisco DSLAM equipment can constitute an energy hazard. Before Warning you install or replace the equipment, remove all jewelry (including rings, necklaces, and watches).

  • Page 182: Installing An Oc-3c/oc-3c Ni-2 Card

    Complete the following steps to install an OC-3c/OC-3c NI-2 card in the chassis. It is important that you complete each step before moving on to the next step. Connect a grounding strap to the ESD grounding jack that is located on the top right of the Cisco 6260 Step 1 card cage.

  • Page 183: Removing An Oc-3c/oc-3c Ni-2 Card

    Complete the following steps to remove an OC-3c/OC-3c NI-2 card from the chassis. It is important that you complete each step before moving on to the next step. Connect a grounding strap to the ESD grounding jack that is located on the top right of the Cisco 6260 Step 1 card cage.

  • Page 184: Installing An I/o Module

    Complete the following steps to install and cable the I/O module on the Cisco 6260 chassis. We recommend that you label each cable and wire at both ends to identify its destination. Connect a grounding strap to the ESD grounding jack that is located on the top right of the Cisco 6260 Step 1 card cage.

  • Page 185: Removing An I/o Module

    We recommend that you label each cable and wire at both ends to identify its destination. Timesaver Connect a grounding strap to the ESD grounding jack that is located on the top right of the Cisco 6260 Step 1 card cage.

  • Page 186: Pem

    Connect each Cisco 6260 PEM to a separate fuse. Do not power the components in the rack by chaining them together. Connect a grounding strap to the ESD grounding jack that is located on the top right of the Cisco 6260 Step 1 card cage.

  • Page 187: Figure 6-8 Pem Installation

    Chapter 6 Upgrading and Maintaining the Cisco 6260 System Installing and Replacing Hardware Figure 6-8 depicts the PEM installation. Figure 6-8 PEM Installation PEM 1/PEM 2 AUD_CRIT/ AUD_MAJ AUD_MIN/V IS_CRIT VIS_MAJ/VI S_MIN STAT_ALAR MS BUS_A/BITS _B NI-2 -155SM-1 55SM BLANK...

  • Page 188: Removing The Pem

    6.3.6.2 Removing the PEM Complete the following steps to remove the PEM from the Cisco 6260 chassis: Step 1 Connect a grounding strap to the ESD grounding jack that is located on the top right of the Cisco 6260 card cage. Step 2 Turn the circuit breaker on the PEM to the OFF (0) position.

  • Page 189: Appendix

    A P P E N D I X Technical Specifications This appendix provides the technical specifications for the Cisco 6260 system. The appendix contains the following sections: • Hardware Specifications, page A-1 Software Specifications, page A-12 • A.1 Hardware Specifications...

  • Page 190: Cisco 6260 Chassis

    Empty—Approximately 37.5 lb (17.0 kg) Loaded—Approximately 80 lb (36.3 kg) Network interface ATM OC-3c (single- or multimode fiber), ATM E3, ATM E1 When the DS3/2DS3 NI-2 card is installed in the Cisco 6260 Note chassis, it assumes E3 functionality. ADSL interface DMT—Up to 8.032 Mbps downstream/864 kbps upstream...

  • Page 191: Quad-port Dmt Atu-c Line Card

    Appendix A Technical Specifications Hardware Specifications Table A-1 Cisco 6260 Hardware Specifications (continued) Specification Description Acoustic noise 60 dB at normal fan speed Subtending One OC-3c connection on the OC-3c/OC-3c NI-2 card • Two E3 connections on the E3 I/O module when used in conjunction •...

  • Page 192: Quad-port Dmt Over Isdn Line Card

    4xflexi. Table A-4 Quad-Port Flexi ATU-C Line Card Specifications Specification Description Standards supported ITU G.dmt (G.992.1) ANSI T1.413 Power consumption 17.5W Data rates (per port) Downstream: 8.032 Mbps Upstream: 864 kbps Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 193: Quad-port Stu-c Line Card

    Height: 6.07 in. (15.42 cm) Depth: 8.50 in. (21.59 cm) Width: 0.88 in. (2.24 cm) Weight 0.875 lb (0.4 kg) Power consumption Minimum software and network Cisco IOS—Release 12.1(4)DA management requirement CDM—Release 3.0 (optional) Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 194: Octal-port Dmt Atu-c Line Card

    Dimensions Height: 6.07 in. (15.42 cm) Depth: 8.50 in. (21.59 cm) Width: 0.88 in. (2.24 cm) Weight 0.875 lb (0.4 kg) Power consumption Minimum software and network Cisco IOS—Release 12.1(6)DA management requirement CDM—Release 3.3(2) Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 195: Octal-port Dmt Atu-c Over Isdn Line Card

    8xG.SHDSL. Table A-8 Octal-port G.SHDSL SHTU-C Line Card Specifications Specification Description Standards supported TC-PAM without OPTIS ETSI SDSL, TM6(00)10 Power consumption 11.3W at 136 kbps 15.0W at 1.554 Mbps 16.5W at 2.312 Mbps Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 196: A.1.9 Ds3/2ds3 Ni-2 Card

    3.0 lb (1.36 kg) Layer 2 protocol External interfaces Three DS3/E3 (44.736 Mbps) coaxial ports Connector type Impedance 75 ohms (nominal) Line encoding B3ZS Framing C-bit parity, optionally PLCP with M23, otherwise add/drop multiplexer (ADM) Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 197: Ds3+t1/e1 Ima Ni-2 Card

    CDM—Release 3.3(1) (optional) requirement 1. The Bayonet-Neill-Concelman (BNC) connectors are located on the E3 I/O module. 2. The minimum Cisco IOS software requirement for a redundant NI-2 card configuration is 12.1(7)DA. A.1.10 DS3+T1/E1 IMA NI-2 Card Table A-10 lists the specifications for the DS3+T1/E1 IMA NI-2 card.

  • Page 198: Oc-3c/oc-3c Ni-2 Card

    –15 to –8 dBm –20 to –14 dBm Average received power –8 dBm –11 dBm Transmission distance Up to 20 km (12 miles) Up to 2 km (1.2 miles) Wavelength 1310 nm 1300 nm Cisco 6260 Hardware Installation Guide A-10 OL-2365-02...

  • Page 199: I/o Module

    1. The version of the OC-3c/OC-3c NI-2 card with enhanced upstream bandwidth features (NI2-155SM-155SM2 and NI2-155MM-155MM2) has a 2M x 32 bootflash (8 MB). 2. The minimum Cisco IOS software requirement for a redundant NI-2 card configuration is 12.1(7)DA. A.1.12 I/O Module Table A-12 lists the specifications for the E3, E1, and OC-3c I/O modules.

  • Page 200: Fan Tray

    A.2 Software Specifications Table A-15 lists Cisco 6260 system software specifications. Table A-15 Software Specifications Specification Description Management protocols IOS software support for SNMP to Cisco EMF Management Cisco IOS • applications • Management interfaces In band—ATM VC Out of band—10BaseT Ethernet, console, auxiliary 1.

  • Page 201: Appendix

    Port Mapping Specifications This appendix provides a subscriber connector port mapping table. Cisco used a standard telco color chart when designing the cables for the Cisco 6260 connections. This appendix includes a standard telco color chart. B.1 Port Mapping Table The Cisco 6260 subscriber connectors are numbered 1 to 10.

  • Page 202: Table B-1 Port Mapping For Cisco 6260 Subscriber Connectors

    Appendix B Port Mapping Specifications Port Mapping Table Table B-1 Port Mapping for Cisco 6260 Subscriber Connectors Champ Pin Champ Pin Slot/Line Ring Cisco 6260 Connector Slot/Line Ring Cisco 6260 Connector 18/1 Slots 1 through 3 Slots 18 through 20...

  • Page 203

    Appendix B Port Mapping Specifications Port Mapping Table Table B-1 Port Mapping for Cisco 6260 Subscriber Connectors (continued) Champ Pin Champ Pin Slot/Line Ring Cisco 6260 Connector Slot/Line Ring Cisco 6260 Connector 21/1 Slots 4 through 6 Slots 21 through 23...

  • Page 204

    Appendix B Port Mapping Specifications Port Mapping Table Table B-1 Port Mapping for Cisco 6260 Subscriber Connectors (continued) Champ Pin Champ Pin Slot/Line Ring Cisco 6260 Connector Slot/Line Ring Cisco 6260 Connector 24/1 Slots 7 through 9 Slots 24 through 26...

  • Page 205

    Appendix B Port Mapping Specifications Port Mapping Table Table B-1 Port Mapping for Cisco 6260 Subscriber Connectors (continued) Champ Pin Champ Pin Slot/Line Ring Cisco 6260 Connector Slot/Line Ring Cisco 6260 Connector 27/1 12/1 Slots 27 through 29 Slots 12 through 14...

  • Page 206: Table B-2 Standard Telco Color Chart

    17/7* 32/8* 17/8* B.2 Standard Telco Color Chart In designing the cables for the Cisco 6260 connections, Cisco used a standard telco color chart. Table B-2 lists the colors that are used for the Cisco 6260 cables. Table B-2 Standard Telco Color Chart...

  • Page 207

    Blu/vio Blu/vio Brn/red Brn/red Vio/org Vio/org Red/gry Red/gry Org/vio Org/vio Gry/red Gry/red Vio/grn Vio/grn Blk/blu Blk/blu Grn/vio Grn/vio Blu/blk Blu/blk Vio/brn Vio/brn Blk/org Blk/org Brn/vio Brn/vio Org/blk Org/blk Vio/gry Vio/gry Blk/grn Blk/grn Gry/vio Gry/vio Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 208: Standard Telco Color Chart

    Appendix B Port Mapping Specifications Standard Telco Color Chart Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 209: Appendix

    Cisco 6260 system. C.1 xDSL Connectors Ten female RJ-21 (Champ) subscriber connectors are located at the top of the Cisco 6260 chassis, facing forward. These 50-pin sockets provide the DSL subscriber connections. Each subscriber connector serves three line card slots. This connection can be made by either of the following methods: Through a POTS splitter for voice and data applications (Cisco 6260 with a POTS •...

  • Page 210: E3 I/o Module Bnc Connectors

    Three sets of two vertically paired E3 75-ohm coaxial BNC connectors reside on the left side of the I/O module faceplate. The P1 connectors serve as the network trunk connections. The P2 and P3 connectors support subtending to additional Cisco 6260 chassis. Each set has both a receive (RX) connector and a transmit (TX) connector.

  • Page 211: I/o Module Wire-wrap Pins

    3. AUD = audible 4. CRIT = critical alarm 5. MIN = minor alarm 6. VIS = visible 7. MAJ = major alarm 8. RX_BITS = receive building-integrated timing source Figure C-4 I/O Module Wire-Wrap Pins Close-Up Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 212: Console And Auxiliary Ports

    Figure C-5 shows an RJ-48 receptacle connector. Table C-2 Pin Assignments for the NI-2 Card Console and Auxiliary Connectors Number Signal Figure C-5 NI-2 Card Console and Auxiliary Connector Pin 1 Pin 8 RJ-45 female Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 213: Ethernet Port

    C.5 Ethernet Port The Ethernet port, a 10BaseT interface with an RJ-48 receptacle connector, is on the NI-2 card faceplate. It is used to connect the Cisco 6260 to the management station, a Sun SPARCstation running Cisco DSL Manager (CDM) software.

  • Page 214

    Appendix C Connector and Pinout Specifications Ethernet Port Cisco 6260 Hardware Installation Guide OL-2365-02...

  • Page 215

    ATU-C line card. Supports four ADSL modem connections and CAP, DMT, and G.lite 4xflexi line encoding. For chassis compatibility, refer to the Cisco DSLAM Compatibility Notes or the appropriate hardware installation guide. quad-port STU-C line card. Supports four SDSL modem connections and 2B1Q line encoding. For...

  • Page 216

    (voice, video, or data, for example) are transmitted in fixed-length (53-byte) cells. ATM offers fast packet technology, and real-time, demand-led switching for efficient use of network resources. See AAL. ATM adaptation layer See xTU-C. ATU-C See xTU-R. ATU-R Cisco 6260 Hardware Installation Guide GL-8 OL-2365-02...

  • Page 217

    See bps. bits per second Separate Flash memory device used primarily to store the Cisco IOS boot image, operational bootflash Cisco IOS images, and system configuration information. Bootstrap Protocol. The protocol used by a network node to determine the IP address of its Ethernet BOOTP interfaces to affect network booting.

  • Page 218

    Carrierless Amplitude and Phase Modulation Cisco Broadband Operating System. The operating system that users access to configure and operate CBOS the Cisco 600 Series DSL CPE products. constant bit rate. A QoS class defined by the ATM Forum for ATM networks. CBR is used for connections that depend on precise clocking to ensure undistorted delivery.

  • Page 219

    Terminating equipment, such as terminals, telephones, and modems, supplied by the telephone company. The equipment is installed at customer sites and connected to the telephone company network. Cisco Service Management system of OAM&P and management tools for service providers and large enterprise networks. See CPE.

  • Page 220

    DCE and DTE devices. Modems and interface cards are examples of DCE. Compare with DTE. Distributed Defect Tracking System. Cisco tracks bugs in a variety of products, including router DDTS software, communication server software, and network management software, using a system called DDTS.

  • Page 221

    DSLAM network by multiplexing the DSL traffic onto one or more network trunk lines. The Cisco DSLAMs include the Cisco 6015, Cisco 6100, Cisco 6130, Cisco 6160, and Cisco 6260. See also chassis and multiplexer. data terminal equipment. Device at the user end of a user-network interface that serves as a data source, destination, or both.

  • Page 222

    One of five categories of network management defined by ISO for management of OSI networks. Fault fault management management attempts to ensure that network faults are detected and controlled. See also accounting management, configuration management, performance management, and security management. Cisco 6260 Hardware Installation Guide GL-14 OL-2365-02...

  • Page 223

    G.dmt and G.lite. Also known as G.hs. The ITU standard for performance monitoring on DMT access technologies. G.997.1 Pseudonym for G.992.1. G.dmt Pseudonym for G.994.1. G.hs Pseudonym for G.992.2. G.lite Cisco 6260 Hardware Installation Guide GL-15 OL-2365-02...

  • Page 224

    128 Kbps over copper loops as long as 18,000 feet. IDSL is reserved for data communications only. Compare with ADSL, SDSL, and SHDSL. See also DSL. Institute of Electrical and Electronics Engineers. A U.S. publishing and standards organization IEEE responsible for many LAN standards. Cisco 6260 Hardware Installation Guide GL-16 OL-2365-02...

  • Page 225

    International Organization for Standardization. A voluntary, nontreaty organization founded in 1946 that is responsible for creating international standards in many areas, including computers and communications. industrial temperature. ITEMP See xTU-C. ITU-C Cisco 6260 Hardware Installation Guide GL-17 OL-2365-02...

  • Page 226

    When you are trying to locate a faulty piece of equipment, you can repeat loopbacks, eliminating satisfactory machines, until the problem is found. Cisco 6260 Hardware Installation Guide GL-18 OL-2365-02...

  • Page 227

    See NEBS. Network Equipment Building Systems Generic term used to describe systems or actions that help maintain, characterize, or troubleshoot network a network. management Cisco 6260 Hardware Installation Guide GL-19 OL-2365-02...

  • Page 228

    See NTR. network timing reference A second generation network interface card for Cisco DSLAMs. Board that works with the network NI-2 card software and operating systems to transmit and receive messages on a network. network management system. A system responsible for managing at least part of a network. An NMS communicates with agents to help keep track of network statistics and resources.

  • Page 229

    Performance management subsystems are responsible for analyzing and controlling network management performance, including network throughput and error rates. See also accounting management, configuration management, fault management, and security management. See PVC. permanent virtual circuit See PVC. permanent virtual connection Cisco 6260 Hardware Installation Guide GL-21 OL-2365-02...

  • Page 230

    A measure of performance for a transmission system that reflects its transmission quality and service availability. See 4xflexi. quad-port flexi ATU-C line card See 4xSDSL. quad-port STU-C line card See QoS. quality of service Cisco 6260 Hardware Installation Guide GL-22 OL-2365-02...

  • Page 231

    MIB agent specification described in RFC 1271 that defines functions for the RMON remote monitoring of networked devices. The RMON specification provides numerous monitoring, problem detection, and reporting capabilities. read-only memory. Nonvolatile memory that can be read, but not written, by the microprocessor. Cisco 6260 Hardware Installation Guide GL-23 OL-2365-02...

  • Page 232

    STP. See also twisted pair and unshielded twisted pair. See xTU-C. SHTU-C See xTU-R. SHTU-R See SNR. signal-to-noise ratio See SNMP. Simple Network Management Protocol See SMF. single-mode fiber See SHDSL. single-pair high-speed digital subscriber line Cisco 6260 Hardware Installation Guide GL-24 OL-2365-02...

  • Page 233

    Services and aggregates the data from one or more chassis into a subtending host chassis requiring subtended configuration only one connection to the outside network. This reduces the number of ATM edge-switch ports necessary to terminate multiple chassis. Cisco 6260 Hardware Installation Guide GL-25 OL-2365-02...

  • Page 234

    The ANSI standard for line coding and framing for full rate ADSL. T1.413 A digital carrier that is used to transmit a DS3 formatted digital signal at 45 Mbps through the telephone-switching network. Compare with E3. See also DS3. Cisco 6260 Hardware Installation Guide GL-26 OL-2365-02...

  • Page 235

    A channel coding technique which provides forward error correction capability. trellis encoding See TFTP. Trivial File Transfer Protocol Two insulated copper wires twisted together with the twists or lays varied in length to reduce potential twisted pair signal interference between the pairs. Cisco 6260 Hardware Installation Guide GL-27 OL-2365-02...

  • Page 236

    A logical circuit, made up of links, that carries data between two endpoints in an ATM network. It is sometimes called a virtual circuit connection. See also VCI and VPI. Cisco 6260 Hardware Installation Guide GL-28 OL-2365-02...

  • Page 237

    WAN Interface Card. A WIC card plugs into the card slot of a router and allows DSL use on routers. Each WIC acts as a CPE and can handle the amount of data available depending on the line conditions and the DSL profile assigned to the port. See WAN. wide-area network Cisco 6260 Hardware Installation Guide GL-29 OL-2365-02...

  • Page 238

    The xTU-R has a matching unit in the carrier’s CO in the form of an xTU-C. The two units, in combination, support a high data rate over UTP copper cable local loops. Examples of xTU-Rs are ATU-R, ITU-R, STU-R, and SHTU-R. Cisco 6260 Hardware Installation Guide GL-30 OL-2365-02...

  • Page 239

    5-10 4xSDSL faceplate 1-20 features 1-19 air filter installing cleaning LEDs 1-20 removing specifications replacing troubleshooting 5-10 required tools and equipment 8xDMT alarms faceplate 1-22 BITS clock 5-17 features 1-21 card slots 5-17 Cisco 6260 Hardware Installation Guide IN-1 OL-2365-02...

  • Page 240

    1-13 network interface alarms 5-19 features troubleshooting 5-14 Cisco 6260 chassis E3 I/O module installation with a POTS splitter features 1-41 installation without a POTS splitter network connection installation 3-15, 4-14 Cisco 6260 Hardware Installation Guide IN-2 OL-2365-02...

  • Page 241

    Cisco 6260 chassis cards 2-10 connect a console terminal 3-21 modules 2-10 connecting the E1 subtending network troubleshooting configuration 3-19 humidity requirements 2-12 connecting the OC-3c subtending network configuration 3-20 Cisco 6260 Hardware Installation Guide IN-3 OL-2365-02...

  • Page 242

    Index connect the alarm contacts 3-13 intermixing connect the auxiliary port G.SHDSL guidelines 3-21 connect the Cisco 6260 to the third-party POTS Release 12.1(7)DA2 1-28 splitter Release 12.2(1b)DA 1-28 connect the Ethernet to the management network 3-20 Release 12.2(5)DA 1-28...

  • Page 243

    DS3+T1/E1 IMA NI-2 card 1-32 port mapping table DS3/2DS3 NI-2 card 1-30 POTS splitter OC-3c/OC-3c NI-2 card 1-35 connect the third-party POTS splitter to the Cisco 6260 troubleshooting power requirements 2-14 note, definition preventing electrostatic discharge OC-3c/OC-3c NI-2 card quadrants...

  • Page 244

    2-12 timesaver, definition tip, definition troubleshooting alarms 5-17 basic checks contacting the Cisco TAC fan tray 5-15 hot swapping I/O module problems 5-14 line cards 5-10 NI-2 card problems NI-2 redundancy Cisco 6260 Hardware Installation Guide IN-6 OL-2365-02...

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