Cisco MC16E Manual de usuario

Corporate Headquarters:

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

Cisco uBR10-LCP2-MC16C/MC16E/MC16S Cable

Interface Card for the Cisco uBR10012 Router

OL-2872-02

June 2005

Note The Cisco uBR10-LCP2-MC16x (C, E, S) cable interface line cards are end of sale. For additional

information, refer to END-OF-LIFE NOTICE, NO. 2600 at the following location:

http://www.cisco.com/en/US/prod/collateral/video/ps8806/ps5684/ps2209/prod_end-of-life_notice

0900aecd80183921.html

This document describes the Cisco uBR10-LCP2-MC16C, the Cisco uBR10-LCP2-MC16E, and the

Cisco uBR10-LCP2-MC16S cable interface line cards and how to install them for use with the

Cisco uBR10012 universal broadband router. This document provides the following information:

•Cisco uBR10-LCP2-MC16C/MC16E/MC16S Overview, page 2

•Technical Specifications, page 9

•Safety Information and Warnings, page 10

•Removing and Replacing a Cisco uBR10-LCP2-MC16x Cable Interface Line Card, page 16

•Replacing the Line Card in the Cisco uBR10-LCP2 Adapter Card, page 23

•Troubleshooting the Cisco uBR10-LCP2-MC16x Cable Interface Line Card, page 27

Cisco uBR10-LCP2-MC16C/MC16E/MC16S Cable Interface Card for the Cisco uBR10012 Router

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Cisco uBR10-LCP2-MC16C/MC16E/MC16S Overview

The cable interface line cards, together with external IF-to-RF upconverters, serve as the RF interface

between the cable headend and DOCSIS/EuroDOCSIS-based cable modems.

The Cisco uBR10-LCP2-MC16C, the Cisco uBR10-LCP2-MC16E, and the Cisco-LCP2-MC16S cable

interface line cards are a combination of two components:

•Cisco uBR-MC16x(MC16C, MC16E, and MC16S) cable interface line cards—Provide one

downstream and six upstreams channels.

–

Cisco uBR-MC16C and Cisco uBR-MC16S support cable modems and set-top boxes that

operate according to the Data-over-Cable Service Interface Specifications (DOCSIS). DOCSIS

supports the 6-MHz North American channel plans using the ITU J.83 Annex B RF standard.

The downstream uses a 6 MHz channel width in the 85- to 860-MHz frequency range, and the

upstream supports the 5- to 42-MHz frequency range.

Note The Cisco uBR-MC16S main board also includes a daughter card that provides the advanced

hardware-based spectrum management feature. This daughter card is an integral part of the

card assembly and cannot be removed in the field.

–

Cisco uBR-MC16E supports cable modems and set-top boxes that operate according to the

European DOCSIS specifications (EuroDOCSIS). EuroDOCSIS supports the 8-MHz Phase

Alternating Line (PAL) and SEquential Couleur Avec Memoire (SECAM) channel plans using

the ITU J.112 Annex A RF standard. The downstream uses an 8 MHz channel width in the 85-

to 860-MHz frequency range, and the upstream supports multiple channel widths in the 5- to

65-MHz frequency range.

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

electrical conversions necessary for the Cisco uBR-MC16C, the Cisco uBR-MC16E, or the

Cisco MC16S cable interface line card to fit the form factor used in the Cisco uBR100012 chassis.

Note Currently there are two types of LCP adapter cards, LCP and LCP2. The LCP is the original

adapter card shipped with the Cisco uBR10-LCP-MC16xcard. (Installation information about

the LCP adapter card also applies to the LCP2 adapter card.) The Cisco uBR10-LCP2 adapter

card is replacing the old LCP adapter card. The upgrade to the Cisco uBR10-LCP2 increases the

memory from 64- to 256-MB. The upgrade supports N+1 requirements when the card is used as

a redundant or protect card. There is no problem with the original LCP version if the card is used

as the operating card. See the Proactive Upgrade Field Notice number 18301 at the following

URL:

http://www.cisco.com/en/US/ts/fn/100/fn18103.html

The Cisco uBR10-LCP2 and Cisco uBR-MC16xcable interface line cards (MC16C, MC16E, and

MC16S) are mechanically connected to each other by using brackets and power connectors (see Figure 1

on page 3). The Cisco uBR10-LCP2 not only adapts the cable interface line card to the form factor of

the Cisco uBR10012 chassis, but also provides:

•Proper voltage conversion for the cards and chassis.

•Boot code required to use the cable interface line cards.

•SDRAM for buffering packets as they are transferred between the card and PRE1.

Cisco uBR10-LCP2-MC16C/MC16E/MC16S Cable Interface Card for the Cisco uBR10012 Router

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Cisco uBR10-LCP2-MC16C/MC16E/MC16S Overview

The cards are inserted into and removed from the Cisco uBR10012 chassis as a single logical and

physical unit. All Cisco uBR10-LCP2-MC16xcable interface line cards support online insertion and

removal (OIR). OIR uses the MAC address assigned to the Cisco uBR10-LCP2 adapter card, allowing

you to replace any Cisco uBR-MC16xcable interface line card installed on the adapter card without

losing the configuration information.

Note Do not attempt to separate or remove the cable interface line card from the Cisco uBR10-LCP2 adapter

card while they are 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. See the

“Replacing the Line Card in the Cisco uBR10-LCP2 Adapter Card” section on page 23.

Figure 1 shows the Cisco uBR10-LCP2-MC16C cable interface line card.

Figure 1 Cisco uBR10-LCP2 Adapter Card with the Cisco uBR-MC16C Cable Interface Line Card Installed

The one downstream port and six upstream ports support the modulations shown in Table 1.

62447

Cisco uBR10-LCP2

adapter card

Cisco MC16C

cable line card

US0

US1

US2

US3

US4

US5

ENABLED

+42 dBmV

uBR-MC16C

Table 1 Cisco uBR10-LCP2-MC16C, E, and S Cable Interface Line Card Specifications

Cable Interface Line Card Downstream Modulation Upstream Modulation Output

Cisco uBR10-LCP2-MC16C1

1. The Cisco uBR10-LCP2-MC16C cards support industry-standard F-connectors for the coaxial cable connections.

64 QAM, 256 QAM QPSK, 16 QAM +42 dBmV +/– 3dB

Cisco uBR10-LCP2-MC16E2

2. The Cisco uBR10-LCP2-MC16E cards support industry-standard F-connectors for the coaxial cable connections.

64 QAM, 256 QAM QPSK, 16 QAM +40 dBmV +/– 3dB

Cisco uBR10-LCP2-MC16S3

3. The Cisco uBR10-LCP2-MC16S cards support industry-standard F-connectors for the coaxial cable connections.

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

Cisco uBR10-LCP2-MC16C/MC16E/MC16S Cable Interface Card for the Cisco uBR10012 Router

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Cisco uBR10-LCP2-MC16C/MC16E/MC16S Overview

The default modulations are:

•64 quatrature amplitude modulations (QAM) for downstream.

•quadrature amplitude phase-shift keying (QPSK) for upstream.

DOCSIS and EuroDOCSIS Data Rates and Modulation Schemes

Cisco cable interface line cards are configured in a number of different upstream combinations based on

the card used, your cable network, and the anticipated subscription and service levels. Table 2 lists the

data rates and modulation schemes for both DOCSIS and EuroDOCSIS standards.

Cisco uBR10-LCP2-MC16C

The Cisco uBR10-LCP2-MC16C cable interface line card output is +42 dBmV +/– 3 dB and supports

all DOCSIS upstream channel widths described in Table 2. The card is configured identically to the

Cisco uBR-MC16C cable interface line card.

Note The configuration information for the Cisco uBR10-LCP2-MC16C is the same as the information for the

Cisco uBR10-LCP2-MC28C/Cisco uBR-MC28C, except that there are fewer upstream and downstream

ports. Refer to the configuration guides.

Refer to the Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide at the

following URL:

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

Cisco uBR10-LCP2-MC16E

The Cisco uBR10-LCP2-MC16E cable interface line card output is +40 dBmV +/– 3 dB and supports

all EuroDOCSIS upstream channel widths described in Table 2 on page 4. The card is configured

identically to the Cisco uBR-MC16E cable interface line card.

Table 2 DOCSIS and EuroDOCSIS Upstream Data Rates

Upstream Channel

Width

Modulation

Scheme

Baud Rate

Sym/sec

Raw Bit Rate

Mbit/sec

Throughput

(Bit rate - Overhead)

Mbit/sec

3.2 MHz 16 QAM(4)

QPSK (2)

2.56 M 10.24

5.12

9.0

4.6

1.6 MHz 16 QAM(4)

QPSK (2)

1.28 M 5.12

2.56

4.5

2.3

800 kHz 16 QAM(4)

QPSK (2)

640 k 2.56

1.28

2.3

1.2

400 kHz 16 QAM(4)

QPSK (2)

320 k 1.28

0.64

1.2

0.6

200 kHz 16 QAM(4)

QPSK (2)

160 k 0.64

0.32

0.6

0.3

Cisco uBR10-LCP2-MC16C/MC16E/MC16S Cable Interface Card for the Cisco uBR10012 Router

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Cisco uBR10-LCP2-MC16C/MC16E/MC16S Overview

While all other Cisco cable interface line cards transmit downstream signals to upconverters by using

the 44-MHz frequency, the Cisco uBR10-LCP2-MC16E transmits downstream IF signals to an up

converter by using the 36.125-MHz frequency.

Refer to the Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide at the

following URL:

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

Cisco uBR10-LCP2-MC16S

The Cisco uBR10-LCP2-MC16S:

•Consists of the Cisco uBR10-LCP2 adapter card, a motherboard (based on the Cisco uBR-MC16C

cable interface line card) and an additional “piggy-back” spectrum management daughter card. The

card is configured identically to the Cisco uBR-MC16S cable interface line card.

•Supports all DOCSIS downstream symbol rates and upstream channel widths as described in Table 2

on page 4.

•Features advanced spectrum management capabilities made possible by hardware and software

enhancements. The advanced spectrum management capabilities of the Cisco uBR10-LCP2-MC16S

include the ability to hierarchically scan portions of the upstream spectrum for clean channels of

varying widths.

The Cisco uBR10-LCP2-MC16S spectrum management card (daughter card) is able to sample the 5 to

42 MHz upstream frequency spectrum and initiate frequency hops, modulation change, or channel-width

changes based on the sampled information. When specified thresholds have been reached, the spectrum

management card takes a snapshot of the available upstream spectrum and then passes this information

to the Cisco IOS software, where it is analyzed for indications of significant ingress or impulse noise.

From this analysis, the Cisco IOS software draws informed conclusions regarding the “cleanest”

portions of the upstream frequency spectrum to initiate a frequency hop to a clean upstream channel, if

warranted. The user-defined threshold values are specified by commands in the configuration file of the

Cisco uBR10012 router.

For Cisco IOS software requirements see the “Related Documentation” section on page 28.

Cisco uBR10-LCP2-MC16C/MC16E/MC16S Cable Interface Card for the Cisco uBR10012 Router

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Cisco uBR10-LCP2-MC16C/MC16E/MC16S Overview

Physical Description

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

Figure 2 Cisco uBR10012 Router Chassis Slot Numbering

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.

US0

US1

US2

US3

US4

US5

ENABLED

+42 dBmV

uBR-MC16C

US0

US1

US2

US3

US4

US5

ENABLED

+42 dBmV

uBR-MC16C

US0

US1

US2

US3

US4

US5

ENABLED

+42 dBmV

uBR-MC16C

US0

US1

US2

US3

US4

US5

ENABLED

+42 dBmV

uBR-MC16C

US0

US1

US2

US3

US4

US5

ENABLED

+42 dBmV

uBR-MC16C

US0

US1

US2

US3

US4

US5

ENABLED

+42 dBmV

uBR-MC16C

US0

US1

US2

US3

US4

US5

ENABLED

+42 dBmV

uBR-MC16C

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

US0

US1

US2

US3

US4

US5

ENABLED

+42 dBmV

uBR-MC16C

62456

TCC+ card slot 1/1

TCC+ card slot 2/1

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

Cisco uBR10-LCP2-MC16C/MC16E/MC16S Cable Interface Card for the Cisco uBR10012 Router

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Cisco uBR10-LCP2-MC16C/MC16E/MC16S Overview

Figure 3 Cisco uBR10-LCP2-MC16C Cable Interface Line Card Components

Figure 4 shows the faceplate for the Cisco uBR10-LCP2-MC16C cable interface line card.

Figure 4 Cisco uBR10-LCP2-MC16C Faceplate

The Cisco uBR10-LCP2-MC16C cable interface line card has one downstream port and six upstream

ports. The upstream ports are labeled US0 through US5. The downstream port is labeled DS. See Table 3

on page 8 for a description of the LCP2 adapter card LEDs and Table 4 on page 8 for descriptions of the

cable interface line card LEDs and their functions.

Figure 5 shows the faceplate for the Cisco uBR10-LCP2-MC16E cable interface line card.

Figure 5 Cisco uBR10-LCP2-MC16E Faceplate

The Cisco uBR10-LCP2-MC16E cable interface line card has one downstream port and six upstream

ports. The upstream ports are labeled US0 through US5. The downstream port is labeled DS. See Table 3

for a description of the LCP2 adapter card LEDs and Table 4 on page 8 for descriptions of the cable

interface line card LEDs and their functions.

US0

US1

US2

US3

US4

US5

ENABLED

+42 dBmV

uBR-MC16C

62449

Captive screw

Handle

Ejector

Guide

Ejector tab

LCP2 connector

Backplane

connector

MC16C

connector

L-Bracket

nut and washer

62457

US0

US1

US2

US3

US4

US5

ENABLED

+42 dBmV

uBR-MC16C

62458

US0

US1

US2

US3

US4

US5

ENABLED

+40 dBmV

uBR-MC16E

Cisco uBR10-LCP2-MC16C/MC16E/MC16S Cable Interface Card for the Cisco uBR10012 Router

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Cisco uBR10-LCP2-MC16C/MC16E/MC16S Overview

Figure 6 shows the faceplate for the Cisco uBR10-LCP2-MC16S cable interface line card.

Figure 6 Cisco uBR10-LCP2-MC16S Faceplate

The Cisco uBR10-LCP2-MC16S cable interface line card has one downstream port and six upstream

ports. The upstream ports are labeled US0 through US5. The downstream port is labeled DS. There are

six LEDs labeled MGR ACT (manager active) next to each upstream port. See Table 3 for a description

of the LCP2 adapter card LEDs and Table 4 on page 8 for descriptions of the cable interface line card

LEDs and their functions.

Cisco uBR10-LCP2-MC16x LEDs

Both the Cisco uBR10-LCP2 adapter card and the cable interface line card have their own set of status

LEDs on the front of the module. The Cisco uBR10-LCP2 adapter card LEDs are described in Table 3.

The Cisco uBR-MC16xcable interface line cards LEDs are described in Table 4 on page 8.

Table 3 describes the LCP2 adapter card LEDs and their functions.

Table 4 on page 8 describes the cable interface line card LEDs and their functions.

62827

MGR

ACT

US0

MGR

ACT

US1

MGR

ACT

US2

MGR

ACT

US3

MGR

ACT

US4

MGR

ACT

US5

uBR - MC16S

+42 dBmV

ENABLED

Table 3 Cisco uBR10-LCP2 Adapter Card LEDs and Their Functions

LED Status Description

Power Green

Off

Indicates that the 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

Indicates that the Cisco uBR10-LCP2 is in the boot up process, is in self

test mode, or is downloading code.

Indicates that the Cisco uBR10-LCP2 has successfully completed the

boot, the self test, and the code download process.

Indicates that the board is in standby or protect card mode.

Maintenance Off

Yellow

Normally off to indicate that there is no maintenance action required.

Indicates that it is safe to remove the entire assembly (Cisco uBR10-LCP2

adapter card and Cisco uBR-MC16xcable interface line card) from the

chassis.

Table 4 Cisco uBR-MC16x Cable Interface Line Card LEDs and Their Functions

LED Status Description

Enables Green

Off

Cable interface line card is operating normally, is receiving DC power from the router

midplane, and is configured for operation.

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

Upstream Green

Off

Upstream path is enabled and configured (each upstream port).

Either the port is not properly configured or is shut down, or the slot is not working.

Cisco uBR10-LCP2-MC16C/MC16E/MC16S Cable Interface Card for the Cisco uBR10012 Router

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Technical Specifications

Table 5 lists the specifications for the Cisco uBR10-LCP2-MC16C, Cisco uBR10-LCP2-MC16E, and

Cisco uBR10-LCP2-MC16S cable interface line cards.

Downstream Green

Off

Downstream path is enabled and is configured (each downstream port).

Either the port is not properly configured or is shut down, or the slot is not working.

MGR ACT

(uBR-MC16S only)

Green

Off

Spectrum management activity on the channel.

Spectrum management is not active.

Table 4 Cisco uBR-MC16x Cable Interface Line Card LEDs (Continued)and Their Functions (Continued)

LED Status Description

Table 5 Cisco uBR10-LCP2-MC16C/MC16E/MC16S Cable Interface Line Card Specifications

Description Specifications

Product order number •UBR10-LCP2,

UBR10-LCP2=

•UBR10-LCP2-MC16E,

UBR10-LCP2-MC16E=

•UBR10-LCP2-MC16C,

UBR10-LCP2-MC16C=

•UBR10-LCP2-MC16S,

UBR10-LCP2-MC16S=

•UBR10-MC-Cover=

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 80 W (273.15 btu1)

MTBF •UBR10-LCP2-MC16C — 138,769 hours

•UBR10-LCP2-MC16E — 134,698 hours

•UBR10-LCP2-MC16S — 110,946 hours

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

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

Relative humidity •Operating: 5 to 85%

•Storage: 5 to 95%

Cisco uBR10-LCP2-MC16C/MC16E/MC16S Cable Interface Card for the Cisco uBR10012 Router

OL-2872-02

Safety Information and Warnings

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

to electrical power.

Warning

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

Statement 1030

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.

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

Cisco IOS software minimum

requirements

•Cisco uBR10-LCP2-MC16C—Cisco IOS Release 12.2(4)XF or

a later release

•Cisco uBR10-LCP2-MC16E—Cisco IOS Release 12.2(4)XF or

a later release

•Cisco uBR10-LCP2-MC16S—Cisco IOS Release 12.2(8)BC2 or

a later release

1. British Thermal Units

Table 5 Cisco uBR10-LCP2-MC16C/MC16E/MC16S Cable Interface Line Card Specifications

Description Specifications

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