Cisco UBR10-LCP2-MC28C Manuale utente

Americas Headquarters:

Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA

Cisco uBR10-LCP2-MC28C Cable Interface Line

Card for the Cisco uBR10012 Router

OL-4653-01

July 2003

Purpose

This document provides instructions for removing and installing cable interface line cards.

Audience

This document is intended for use by a field service engineer who is familiar with Cisco products and

headend cable installation procedures.

Warning

Only trained and qualified personnel should be allowed to install, replace, or service this equipment.

Statement 1030

Tip Statement numbers (Statement 1030) at the end of a Warning refer to specific warnings and their

translations in the Cisco uBR10012 Regulatory Compliance and Safety Information document.

Scope

This document describes the Cisco uBR10-LCP2-MC28C cable interface line cards, how to install the

card in the Cisco uBR10012 universal broadband router, and how to remove and install the

Cisco MC28C in the Cisco LCP2 adapter card.

Cisco uBR10-LCP2-MC28C Cable Interface Line Card for the Cisco uBR10012 Router

OL-4653-01

Contents

•Purpose, page 1

•Audience, page 1

•Scope, page 1

•Contents, page 2

•Cisco uBR10-LCP2-MC28C Overview, page 2

•Technical Specifications, page 7

•Safety Information and Warnings, page 8

•Installing a Cisco uBR10-LCP2-MC28C Cable Interface Line Card, page 12

•Replacing the Cisco uBR-MC28C Line Card in the Cisco uBR10-LCP2 Adapter Card, page 18

•Troubleshooting the Cisco uBR10-LCP2-MC28C Cable Interface Line Card, page 23

•Related Documentation, page 24

•Obtaining Documentation, page 24

Cisco uBR10-LCP2-MC28C Overview

The Cisco uBR10-LCP2-MC28C cable interface line card is a combination of two components:

•Cisco uBR-MC28C—Provides two downstream and eight upstream ports, divided into two domains.

•Cisco Line Card Processor (Cisco uBR10-LCP2) adapter card—Provides the mechanical and

electrical conversions necessary for the Cisco uBR-MC28C cable interface line card to fit the form

factor used in the Cisco uBR10012 chassis.

Note All installation information about the LCP adapter card also applies to the LCP2 adapter card.

Note You must be using revision 07 of the LCP adapter card or any version of the LCP-2 card to support N+1

requirements when the card is used as a redundant or protect card. See the Proactive Upgrade Field

Notice number 18301 at the following URL:

http://www-tac.cisco.com/Support_Library/field_alerts/fn18103.html.

The Cisco uBR10-LCP2 adapter card and Cisco uBR-MC28C cable interface line card are mechanically

connected to each other using brackets and power connectors. The two cards are inserted into and

removed as a single logical and physical unit.

The Cisco uBR10-LCP2 adapts the Cisco uBR-MC28C cable interface line card to the form factor of the

Cisco uBR10012 chassis and provides:

•Proper voltage conversion for the card and chassis

•Boot code required to use the Cisco uBR-MC28C cable interface line card

•SDRAM for buffering packets as they are transferred between the card and PRE1 (or PRE)

Cisco uBR10-LCP2-MC28C Cable Interface Line Card for the Cisco uBR10012 Router

OL-4653-01

Cisco uBR10-LCP2-MC28C Overview

The Cisco uBR10-LCP2-MC28C cable interface line card supports Online Insertion and Removal

(OIR). OIR uses the MAC address assigned to the Cisco uBR10-LCP2, allowing you to replace a

Cisco uBR-MC28C on a Cisco uBR10-LCP2 adapter card without losing any configuration information.

Note Do not attempt to separate or remove the Cisco uBR-MC28C cable interface line card from the

Cisco uBR10-LCP2 adapter card while it is inserted in the Cisco uBR10012 chassis. Remove the card

from the chassis as a unit and then separate them on a lab bench or other area that protects against ESD

damage.

Figure 1 shows the Cisco uBR10-LCP2 adapter card with the Cisco uBR-MC28C cable interface line

card installed.

Figure 1 Cisco uBR10-LCP2 Adapter Card and Cisco uBR-MC28C Cable Interface Line Card

The Cisco uBR10-LCP2-MC28C cable interface line cards, together with external IF-to-RF

upconverters, serve as the RF interface between the cable headend and DOCSIS-based cable modems

and set-top boxes (STBs). The cable interface line card supports 6-MHz National Television Systems

Committee (NTSC) channel operation, using standard (STD), Harmonic Related Carrier (HRC), or

Incremental Related Carrier (IRC) frequency plans conforming to EIA-S542. The card also supports

downstream channels in the 54 to 860 MHz range with upstream ranges of 5 to 42 MHz.

The two downstream ports and eight upstream ports support the modulations shown in Table 1:

56296

Cisco uBR10-LCP2

adapter card

Cisco MC28C

cable line card

uBR-MC28C

US1

US0

US2

US3

US4

US5

US6

US7

DS0

DS1

ENABLED

Table 1 Cisco uBR10-LCP2-MC28C Cable Interface Line Card Specifications

Cable Interface Line Card Downstream Modulation Upstream Modulation Output

uBR10-LCP2-MC28C1

1. The Cisco uBR10-LCP2-MC28C and Cisco uBR-MC28C cards support industry-standard F-connectors for the coaxial cable connections.

64 QAM, 256 QAM QPSK, 16 QAM 42 dBmV +/– 2 dB

Cisco uBR10-LCP2-MC28C Cable Interface Line Card for the Cisco uBR10012 Router

OL-4653-01

Cisco uBR10-LCP2-MC28C Overview

The default modulations are:

•64 Quatrature Amplitude Modulations (QAM) for downstream

•Quadrature Amplitude Phase-Shift Keying (QPSK) for upstream

The Cisco uBR10-LCP2-MC28C line card is configured identically to the Cisco uBR-MC28C line card.

For configuration information, refer to Configuring the Cisco uBR-MC28C Cable Modem Card,

available at the following URL:

http://www.cisco.com/en/US/docs/cable/cmts/ubr7200/configuration/guide/cr72scg.html

Figure 2 shows the chassis slot numbering for the cable interface line cards.

Figure 2 Cisco uBR10012 Router Chassis Slot Numbering

56469

US2

US0

US1

US2

US3

DS0

uBR - MC28C

ENABLED

US1

DS1

US0

US3

US2

US0

US1

US2

US3

DS0

uBR - MC28C

ENABLED

US1

DS1

US0

US3

US2

US0

US1

US2

US3

DS0

uBR - MC28C

ENABLED

US1

DS1

US0

US3

US2

US0

US1

US2

US3

DS0

uBR - MC28C

ENABLED

US1

DS1

US0

US3

US2

US0

US1

US2

US3

DS0

uBR - MC28C

ENABLED

US1

DS1

US0

US3

US2

US0

US1

US2

US3

DS0

uBR - MC28C

ENABLED

US1

DS1

US0

US3

US2

US0

US1

US2

US3

DS0

uBR - MC28C

ENABLED

US1

DS1

US0

US3

US2

US0

US1

US2

US3

DS0

uBR - MC28C

ENABLED

US1

DS1

US0

US3

CISCO

10000

CARRIER

ALARM

LOOP

FAIL

CH OC-12-DSO SM-IR

CISCO

10000

CARRIER

ALARM

LOOP

FAIL

CH OC-12-DSO SM-IR

CISCO

10000

CARRIER

ALARM

LOOP

FAIL

CH OC-12-DSO SM-IR

CISC

100

CARRIER

ALARM

FAIL

Uplink line card slot 4/0

Uplink line card slot 3/0

Uplink line card slot 2/0

Uplink line card slot 1/0

Cable interface slot 8/0

Cable interface slot 8/1

Cable interface slot 7/0

Cable interface slot 7/1

Cable interface slot 6/0

Cable interface slot 6/1

Cable interface slot 5/0

Cable interface slot 5/1

TCC+ card slot 1/1

TCC+ card slot 2/1

Cisco uBR10-LCP2-MC28C Cable Interface Line Card for the Cisco uBR10012 Router

OL-4653-01

Cisco uBR10-LCP2-MC28C Overview

Physical Description

Figure 3 shows the cable interface line card and adapter card as a unit. Note the location of the ejectors

used to separate the line card from the adapter card.

Figure 3 Cisco uBR10-LCP2-MC28C Cable Interface Line Card Components

Figure 4 shows the front panel for the Cisco uBR10-LCP2-MC28C cable interface line card.

Figure 4 Cisco uBR10-LCP2-MC28C Front Panel

The cable interface card has two downstream ports and eight upstream ports. Each downstream port is

associated with four upstream ports in a DOCSIS domain. Each domain runs independently of the other.

The Cisco uBR10-LCP2-MC28C cable interface line card uses a color-coded label to identify and group

the two downstream domains (DS0 and DS1). Their corresponding upstream ports are labeled U0

through U3.

The Cisco uBR10-LCP2 adapter card has its own set of status LEDs on top of the front panel. Table 2

describes the LCP2 card LEDs and their function.

58720

Captive screw

Handle

Ejector

Guide

Ejector tab

LCP2 connector

Backplane

connector

MC28C

connector

L-Bracket

nut and washer

uBR-MC28C

US1

US0

US2

US3

US4

US5

US6

US7

DS0

DS1

ENABLED

US2

US0

US1

US2

US3

DS0

uBR - MC28C

ENABLED

US1

DS1

US0

US3

56419

Cisco uBR10-LCP2-MC28C Cable Interface Line Card for the Cisco uBR10012 Router

OL-4653-01

Cisco uBR10-LCP2-MC28C Overview

The Cisco uBR-MC28C cable interface line card has its own set of LEDs. Table 3 describes the LEDs

and their functions:

Table 2 Cisco uBR10-LCP2 Adapter Card LEDs and Their Functions

LED Status Description

Power Green

Off

Power is being supplied to the Cisco uBR10-LCP2.

Power is off.

Status

Status LED on N+1 or

redundant card in chassis

Yellow

Green

Blinking Green

The Cisco uBR10-LCP2 adapter card is in the bootup

process, self test, or downloading code.

The Cisco uBR10-LCP2 adapter card has

successfully completed the boot, self test. and code

download process.

The board is in Standby or Protect card mode.

Maintenance Off

Yellow

Normally off to indicate that there is no maintenance

action is required.

It is safe to remove the entire assembly from the

chassis (Cisco uBR10-LCP2 adapter card and Cisco

uBR10-MC28C cable interface line card).

Table 3 Cisco uBR-MC28C Cable Interface Line Card LEDs and Their Functions

LED Status Description

Enables Green

Off

Indicates that the cable interface line card is operating

normally, receiving DC power from the router

midplane, and configured for operation.

Either the card is shut down or the slot is not working.

Upstream Green

Off

For each upstream port, indicates that the upstream

path is enabled and configured.

Either the port is not properly configured, or is shut

down, or the slot is not working.

Downstream Green

Off

For each downstream port, indicates that the

downstream path is enabled and configured.

Either the port is not properly configured, or is shut

down, or the slot is not working.

Cisco uBR10-LCP2-MC28C Cable Interface Line Card for the Cisco uBR10012 Router

OL-4653-01

Technical Specifications

Table 4 lists the specifications for the Cisco uBR10-LCP2-MC28C cable interface line card

Table 4 Cisco uBR10-LCP2-MC28C Cable Interface Line Card Specifications

Description Specifications

Product order numbers •UBR10-LCP2

UBR10-LCP2=

•UBR-MC28C, (F-connector version)

UBR-MC28C= (F-connector version)

•UBR10-LCP2-MC28C, (F-connector version)

UBR10-LCP2-MC28C= (F-connector version)

•UBR10-MC-Covers=

Memory •UBR10-LCP, rev 06 and before—64 MB

•UBR10-LCP, rev 07 and later—256 MB

•UBR10-LCP2—256 MB

Card dimensions (overall) •Height: 21.25 in (53.96 cm)

•Width: 1.4 in. (3.56 cm)

•Depth: 16.5 in. (41.91 cm)

Weight 12 lb. (5.44kg)

Power consumption 110 Watts (375.59 btu1)

1. British Thermal Units

MTBF 229,494 hours

Temperature range •Operating: 41°F to 104°F (5°C to 40°C)

•Storage: –40°Fto 158°F (–40°C to 70°C)

Relative humidity •Operating: 5% to 85%

•Storage: 5% to 95%

Operating altitude –197 ft. to 13,123 ft. (–60 m to 4000 m)

Cisco uBR10-LCP2-MC28C Cable Interface Line Card for the Cisco uBR10012 Router

OL-4653-01

Safety Information and Warnings

Following are safety guidelines that you should follow when working with any equipment that connects

to electrical power.

Electrical Equipment Guidelines

Follow these basic guidelines when working with any electrical equipment:

•Before beginning any procedures requiring access to the chassis interior, locate the emergency

power-off switch for the room in which you are working.

•Disconnect all power and external cables before moving a chassis.

•Do not work alone when potentially hazardous conditions exist.

•Never assume that power has been disconnected from a circuit; always check.

•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.

Preventing Electrostatic Discharge Damage

Electrostatic discharge (ESD) damage, which occurs when electronic cards or components are

improperly handled, can result in complete or intermittent failures. The AC-input power shelf and its AC

power modules contain a printed circuit card that is fixed in a metal carrier. Electromagnetic interference

(EMI) shielding and connectors are integral components of the carrier. Although the metal carrier helps

to protect the cards from ESD, use an antistatic strap each time you handle the modules.

Following are guidelines for preventing ESD damage:

•Always use an ESD-preventive wrist or ankle strap and ensure that it makes good skin contact.

Before removing a card from the chassis, connect the equipment end of the strap to a bare metal,

unpainted surface on the chassis or rack-mount.

•Handle components by the carrier edges only; avoid touching the card components or any connector

pins.

•When removing a module, place it on an antistatic surface or in a static-shielding bag. If the module

will be returned to the factory, immediately place it in a static-shielding bag.

•Avoid contact between the modules and clothing. The wrist strap protects the card from ESD

voltages on the body only; ESD voltages on clothing can still cause damage.

Caution For safety, periodically check the resistance value of the antistatic strap. The measurement should be

between 1 and 10 megohms.

Cisco uBR10-LCP2-MC28C Cable Interface Line Card for the Cisco uBR10012 Router

OL-4653-01

Safety Information and Warnings

Statement 1071—Warning Definition

Warning

IMPORTANT SAFETY INSTRUCTIONS

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. Use the statement number provided at the end of

each warning to locate its translation in the translated safety warnings that accompanied this

device.

SAVE THESE INSTRUCTIONS

Waarschuwing

BELANGRIJKE VEILIGHEIDSINSTRUCTIES

Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan

veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij

elektrische schakelingen betrokken risico's en dient u op de hoogte te zijn van de standaard

praktijken om ongelukken te voorkomen. Gebruik het nummer van de verklaring onderaan de

waarschuwing als u een vertaling van de waarschuwing die bij het apparaat wordt geleverd, wilt

raadplegen.

BEWAAR DEZE INSTRUCTIES

Varoitus

TÄRKEITÄ TURVALLISUUSOHJEITA

Tämä varoitusmerkki merkitsee vaaraa. Tilanne voi aiheuttaa ruumiillisia vammoja. Ennen kuin

käsittelet laitteistoa, huomioi sähköpiirien käsittelemiseen liittyvät riskit ja tutustu

onnettomuuksien yleisiin ehkäisytapoihin. Turvallisuusvaroitusten käännökset löytyvät laitteen

mukana toimitettujen käännettyjen turvallisuusvaroitusten joukosta varoitusten lopussa näkyvien

lausuntonumeroiden avulla.

SÄILYTÄ NÄMÄ OHJEET

Attention

IMPORTANTES INFORMATIONS DE SÉCURITÉ

Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvant

entraîner des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez

conscient des dangers liés aux circuits électriques et familiarisez-vous avec les procédures

couramment utilisées pour éviter les accidents. Pour prendre connaissance des traductions des

avertissements figurant dans les consignes de sécurité traduites qui accompagnent cet appareil,

référez-vous au numéro de l'instruction situé à la fin de chaque avertissement.

CONSERVEZ CES INFORMATIONS

Cisco uBR10-LCP2-MC28C Cable Interface Line Card for the Cisco uBR10012 Router

OL-4653-01

Safety Information and Warnings

Warnung

WICHTIGE SICHERHEITSHINWEISE

Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu Verletzungen führen

kann. Machen Sie sich vor der Arbeit mit Geräten mit den Gefahren elektrischer Schaltungen und

den üblichen Verfahren zur Vorbeugung vor Unfällen vertraut. Suchen Sie mit der am Ende jeder

Warnung angegebenen Anweisungsnummer nach der jeweiligen Übersetzung in den übersetzten

Sicherheitshinweisen, die zusammen mit diesem Gerät ausgeliefert wurden.

BEWAHREN SIE DIESE HINWEISE GUT AUF.

Avvertenza

IMPORTANTI ISTRUZIONI SULLA SICUREZZA

Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni alle

persone. Prima di intervenire su qualsiasi apparecchiatura, occorre essere al corrente dei pericoli

relativi ai circuiti elettrici e conoscere le procedure standard per la prevenzione di incidenti.

Utilizzare il numero di istruzione presente alla fine di ciascuna avvertenza per individuare le

traduzioni delle avvertenze riportate in questo documento.

CONSERVARE QUESTE ISTRUZIONI

Advarsel

VIKTIGE SIKKERHETSINSTRUKSJONER

Dette advarselssymbolet betyr fare. Du er i en situasjon som kan føre til skade på person. Før du

begynner å arbeide med noe av utstyret, må du være oppmerksom på farene forbundet med

elektriske kretser, og kjenne til standardprosedyrer for å forhindre ulykker. Bruk nummeret i slutten

av hver advarsel for å finne oversettelsen i de oversatte sikkerhetsadvarslene som fulgte med denne

enheten.

TA VARE PÅ DISSE INSTRUKSJONENE

Aviso

INSTRUÇÕES IMPORTANTES DE SEGURANÇA

Este símbolo de aviso significa perigo. Você está em uma situação que poderá ser causadora de

lesões corporais. Antes de iniciar a utilização de qualquer equipamento, tenha conhecimento dos

perigos envolvidos no manuseio de circuitos elétricos e familiarize-se com as práticas habituais de

prevenção de acidentes. Utilize o número da instrução fornecido ao final de cada aviso para

localizar sua tradução nos avisos de segurança traduzidos que acompanham este dispositivo.

GUARDE ESTAS INSTRUÇÕES

¡Advertencia!

INSTRUCCIONES IMPORTANTES DE SEGURIDAD

Este símbolo de aviso indica peligro. Existe riesgo para su integridad física. Antes de manipular

cualquier equipo, considere los riesgos de la corriente eléctrica y familiarícese con los

procedimientos estándar de prevención de accidentes. Al final de cada advertencia encontrará el

número que le ayudará a encontrar el texto traducido en el apartado de traducciones que acompaña

a este dispositivo.

GUARDE ESTAS INSTRUCCIONES

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