Table Of Contents
Cisco uBR7200 Series Cable Interface Line Card Hardware Installation Guide
Cable Interface Line Card Overview
Cisco uBR-MC11 Cable Interface Line Cards
Cisco uBR-MC12C Cable Interface Line Cards
Cisco uBR-MC14C Cable Interface Line Cards
Cisco uBR-MC16 Cable Interface Line Cards
Cisco uBR-MC28 Cable Interface Line Cards
Cisco MCxx Interface and Port Names
Cisco uBR-MC16x and Cisco uBR-MC28x Cable Interface Line Card LEDs
Cable Interface Line Card Specifications
DOCSIS and EuroDOCSIS Data Rates and Modulation Schemes
Cisco uBR7200 Series Chassis Slot Numbering
Safety Guidelines and Warnings
Electrical Equipment Guidelines
Preventing Electrostatic Discharge Damage
Compliance with U.S. Export Laws and Regulations Regarding Encryption
Cable Interface Line Card Installation Instructions
Required Software and Hardware
Remove and Install a Cable Interface Line Card
Removing a Cable Interface Line Card
Installing a Cable Interface Line Card
Cabling a New Cable Interface Line Card
Troubleshooting the Installation
Basic Cisco IOS Configuration Commands
Obtaining Technical Assistance
Obtaining Additional Publications and Information
Cisco uBR7200 Series Cable Interface Line Card Hardware Installation Guide
Document Part Number: OL-4137-02
June 2007Product Numbers: UBR-MC28C=, UBR-MC28U=, UBR-MC28X, UBR-MC16E=, UBR-MC16S=, UBR-MC16C=, UBR16U=, UBR-MC16X=, UBR-MC16B=, UBR-MC14C=, UBR-MC12C=, UBR-MC11C=, UBR-MC11=
Revision History
Purpose
This document provides instructions for installing, removing, and troubleshooting a cable interface line card in a Cisco uBR7200 series universal broadband router.
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.
Scope
This document covers:
•
Removing and installing Cisco uBR-MC11x, Cisco uBR-MC12x, Cisco uBR-MC14x, Cisco uBR-MC16x, and Cisco uBR-MC28x cable interface line cards in Cisco uBR7223, Cisco uBR7246, and Cisco uBR7246VXR universal broadband routers
•
Troubleshooting the installation
•
Basic IOS configuration commands
Note
Use this document with the Cisco uBR7200 Series Universal Broadband Router Hardware Installation Guide and the Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide. For a list of other documents that may be helpful, see the "Related Documentation" section.
Contents
This document provides the following information:
•
Cable Interface Line Card Overview
•
Cisco uBR7200 Series Chassis Slot Numbering
•
Safety Guidelines and Warnings
•
Cable Interface Line Card Installation Instructions
•
Cabling a New Cable Interface Line Card
•
Troubleshooting the Installation
•
Basic Cisco IOS Configuration Commands
•
Obtaining Documentation, page 37
•
Obtaining Technical Assistance, page 38
•
Obtaining Additional Publications and Information, page 40
Cable Interface Line Card Overview
Cisco cable interface line cards, together with IF-to-RF upconverters, serve as the radio frequency (RF) interface between the cable headend and Data over Cable Service Interface Specifications (DOCSIS)-compliant cable modems or EuroDOCSIS-compliant cable modems and set-top boxes (STBs). Cisco cable interface line cards separate downstream output and upstream input cable interfaces on the Cisco uBR7200 series universal broadband router to enable downstream and upstream signal combining and splitting arrangements.
Cisco cable interface line cards can be used in both 6 MHz National Television Systems Committee (NTSC) standard and 8 MHz Phase Alternating Line (PAL) and Systeme Electronique Couleur Avec Memoire (SECAM) standard channel environments.
The Cisco uBR7200 series universal broadband router supports the following cable interface line cards:
•
Cisco uBR-MC11 FPGA (no longer orderable)
•
Cisco uBR-MC11C (no longer orderable)
•
Cisco uBR-MC12C (no longer orderable)
•
Cisco uBR-MC14C
•
Cisco uBR-MC16B (no longer orderable)
•
Cisco uBR-MC16C
•
Cisco uBR-MC16E (supports 8-MHz operation)
•
Cisco uBR-MC16S (supports spectrum management)
•
Cisco uBR-16U (universal card with onboard upconverters)
•
Cisco uBR16X (universal card without onboard upconverters)
•
Cisco uBR-MC28C
•
Cisco uBR-MC28U (universal card with onboard upconverters)
•
Cisco uBR-MC28X (universal card without onboard upconverters)
Table 1 lists the cable interface line cards, NPE, and chassis compatibility.
Table 1 Cable Interface Line Card and Chassis Compatibility
Cable Interface Line Card NPE minimum for Cisco uBR72231 NPE minimum for Cisco uBR7246VXRCisco uBR-MC11 FPGA1
Cisco NPE-1501 Cisco NPE-200
Cisco NPE-1501 Cisco NPE-2001
not applicable
Cisco uBR-MC11C1
Cisco NPE-1501
Cisco NPE-2001
Cisco NPE-225Cisco NPE-1501
Cisco NPE-2001
Cisco NPE-225Cisco NPE-225
Cisco NPE-3001
Cisco NPE-400
Cisco uBR7200-NPE-G12Cisco uBR-MC12C1
Cisco uBR-MC14C
Cisco uBR-MC16B
Cisco uBR-MC16C
Cisco uBR-MC16E
Cisco uBR-MC16S
Cisco uBR-MC28C 3
Cisco NPE-2002 Cisco NPE-225
Cisco NPE-2002 Cisco NPE-225
Cisco uBR-MC16U
—
—
Cisco uBR-MC16X
—
—
Cisco uBR-MC28U
—
—
Cisco uBR-MC28X
—
—
1 No longer orderable.
2 Before installing this module, see Cisco uBR7200-NPE-G1 Read Me First at the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/cable/cab_rout/cfig_nts/15066r.pdf3 NPE-225 must be configured with a minimum 128 MB RAM.
4 NPE-400 must be configured with a minimum 128 MB RAM.
5 NPE-G1 must be configured with a minimum 256 MB RAM.
Refer to Product Bulletin 1438 for a list of all products associated with the Cisco uBR7200 series universal broadband routers that are at end of life (EOL). For information, see the following URL:
http://www.cisco.com/en/US/products/hw/cable/ps2217/prod_eol_notices_list.html
Cisco uBR-MC11 Cable Interface Line Cards
The Cisco uBR-MC11 line cards feature one downstream modulator and one upstream demodulator. Two different hardware versions of this cable interface line card currently exist.
Note
These cable interface line cards are no longer available.
Cisco uBR-MC11 FPGA
Note
The Cisco uBR-MC11 FPGA line card is not supported in the Cisco uBR7246VXR router.
The Cisco uBR-MC11 FPGA line card supports 64 quadrature amplitude modulation (QAM) at 27 Mbps downstream and quadrature phase shift keying (QPSK) at 1.280 kbps upstream default data rates. The card output is +32 dBmV +/- 2 dB.
Note
Because the Cisco uBR-MC11 FPGA line card supports only one upstream modulation and channel width, you cannot define an upstream modulation profile for the card. Refer to the Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide for a more detailed description of upstream values. The default modulation profile 1 cannot be changed when using the Cisco uBR-MC11 FPGA line card.
Cisco uBR-MC11C
The Cisco uBR-MC11C line card supports 256 QAM at 40 Mbps downstream and 16 QAM at 5 Mbps upstream default data rates. The Cisco uBR-MC11C supports all DOCSIS upstream channel widths described in Table 6 and the card output is +42 dBmV +/- 2 dB.
Figure 1 Cisco uBR-MC11C Cable Interface Line Card
Cisco uBR-MC12C Cable Interface Line Cards
The Cisco uBR-MC12C line card features one downstream modulator and two upstream demodulators. The card supports 256 QAM at 40 Mbps downstream and 16 QAM at 5 Mbps upstream default data rates. The Cisco uBR-MC12C supports all DOCSIS upstream channel widths described in Table 6, and the card output is +42 dBmV +/- 2 dB.
Note
Cisco uBR-MC12C line card is no longer available.
Figure 2 Cisco uBR-MC12C Cable Interface Line Card
Cisco uBR-MC14C Cable Interface Line Cards
The Cisco uBR-MC14C line card features one downstream modulator and four upstream demodulators. The card supports 256 QAM at 40 Mbps downstream and 16 QAM at 5 Mbps upstream default data rates. The Cisco uBR-MC14C line card supports all DOCSIS upstream channel widths described in Table 6 and the card output is +42 dBmV +/- 2 dB.
Figure 3 Cisco uBR-MC14C Cable Interface Line Card
Cisco uBR-MC16 Cable Interface Line Cards
The Cisco uBR-MC16 cable interface line cards feature one downstream modulator and six upstream demodulators. Four different hardware versions of this cable interface line card currently exist.
Cisco uBR-MC16B
The Cisco uBR-MC16B line card supports 64 QAM at 27 Mbps downstream and QPSK at 2.56 Mbps upstream default data rates. In QPSK upstream operation, the Cisco uBR-MC16B line card supports all DOCSIS upstream channel widths described in Table 6. In 16 QAM upstream operation, the Cisco uBR-MC16B line card excludes support for two of the five upstream symbol rates—2.56 M and 1.28 M. Similarly, in 256 QAM downstream operation, the Cisco uBR-MC16Bline card excludes support for the same two DOCSIS symbol rates. The Cisco uBR-MC16B cable interface line card output is +32 dBmV +/-2 dB.
Note
The Cisco uBR-MC16B cable interface line card is no longer available.
Cisco uBR-MC16C
The Cisco uBR-MC16C line card supports 256 QAM at 40 Mbps downstream and 16 QAM at 5 Mbps upstream default data rates. The Cisco uBR-MC16C line card supports all DOCSIS upstream channel widths described in Table 6, and the card output is +42 dBmV +/- 2 dB.
Figure 4 Cisco uBR-MC16C Cable Interface Line Card
Cisco uBR-MC16E
The Cisco uBR-MC16E line card supports 256 QAM at 40 Mbps downstream and 16 QAM at 5 Mbps upstream default data rates. The Cisco uBR-MC16E line card supports all upstream channel widths described in Table 6, and the card output is +40 dBmV +/- 2 dB. The Cisco uBR-MC16E line card supports the ITU J.83 Annex A physical layer and the proposed EuroDOCSIS standard (ECR RFI-R-98036) from Cable Labs.
The Cisco uBR-MC16E line card is designed to provide two-way data over cable between a headend and EuroDOCSIS-compliant cable modems and STBs in the 5- to 65-MHz downstream and 85- to 860-MHz upstream European PAL/SECAM 8-MHz channel environments.
Note
Although all other Cisco cable interface line cards transmit downstream signals to upconverters using a 44-MHz frequency, the Cisco uBR-MC16E line card transmits downstream IF signals to an upconverter using the 36.125-MHz frequency.
Figure 5 Cisco uBR-MC16E Cable Interface Line Card
Note
Be sure that you have an appropriate Cisco IOS release software image to support both your Cisco uBR7200 series universal broadband router and Cisco uBR-MC16E line card. For specific information regarding minimum chassis and cable interface line card software image requirements, refer to the Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide. See the "Related Documentation" section.
Cisco uBR-MC16S
The Cisco uBR-MC16S line card consists of a motherboard (based on the Cisco uBR-MC16C cable interface line card) and an additional "piggy-back" spectrum management card. The Cisco uBR-MC16S line card supports 256-QAM at 40 Mbps downstream and 16-QAM at 5 Mbps upstream as the default data rates. The Cisco uBR-MC16S line card supports all DOCSIS upstream channel widths described in Table 6, and the line card output is +42 dBmV +/- 2 dB. In addition, the Cisco uBR-MC16S line card features advanced spectrum management capabilities made possible by hardware and software enhancements.
The advanced spectrum management capabilities of the Cisco uBR-MC16S include the ability to hierarchically scan portions of the upstream spectrum for clean channels of varying widths. For more specific information on Cisco uBR-MC16S capabilities and programming, refer to the Cisco uBR7200 Series Universal Broadband Software Configuration Guide.
The Cisco uBR-MC16S line card spectrum management daughter card is able to sample the 5- to 42-MHz upstream frequency spectrum and initiate frequency hops based on that information. When a threshold percentage of offline cable modems has 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 and impulse noise. From this analysis, the Cisco IOS software draws informed conclusions regarding the cleanest portions of the upstream frequency spectrum and automatically initiates a frequency hop to clean upstream channels. The user-defined threshold value is specified by a command in the configuration file of the Cisco uBR7200 series router. For more information, refer to the Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide. See also the Cisco uBR7200 Series MC16S Cable Modem Card Spectrum Management and Cisco uBR7200 Dynamic Upstream Modulation feature modules.
Figure 6 Cisco uBR-MC16S Cable Interface Line Card
Note
Be sure that you have an appropriate Cisco IOS release software image to support both your Cisco uBR7200 series universal broadband router and Cisco uBR-MC16S. For specific information regarding minimum chassis and cable interface line card software image requirements, refer to the Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide. See the "Related Documentation" section.
Cisco uBR-MC16U/X
The Cisco uBR-MC16U and Cisco uBR-MC16X (Cisco uBR-MC16U/X) cable interface line cards are two of the new broadband processing engine (BPE) series of cable interfaces that are available for the Cisco uBR7246VXR universal broadband router. The BPE cards provide increased performance and advanced radio frequency (RF) management, as well as innovative, integrated tools for sophisticated content, traffic, and network management.
The Cisco uBR-MC16U/X card has one downstream port and six upstream ports, organized into a single DOCSIS MAC domain. There are two versions, the Cisco uBR-MC16U and the Cisco uBR-MC16X, which are identical except for the type of upconverter that the downstream ports use:
•
Cisco UBR-MC16U card—Each downstream port includes an onboard integrated upconverter that generates an RF signal suitable for connection to a combiner and transmission on the coaxial cable network, without the need for any external upconverters.
•
Cisco uBR-MC16X card—The downstreams on this card do not include integrated upconverters. Instead, the downstream ports generate an IF signal that must be converted through an external upconverter before transmission on the cable network. This allows the Cisco uBR-MC16X card to easily replace existing line card installations that currently use external upconverters.
Figure 7 shows the front panel of the Cisco uBR-MC16U card, and Figure 8 shows the front panel of the Cisco uBR-MC16X card.
Tip
The cards have colored tabs; green indicates a "U" card, yellow indicates an "X" card.
Figure 7 Cisco uBR-MC16U Cable Interface Line Card Faceplate
Figure 8 Cisco uBR-MC16X Cable Interface Line Card Faceplate
Note
The downstream on the Cisco uBR-MC16U card is labeled "DS0 RF" to indicate that it outputs an RF-wave from the internal upconverter. The downstream on the Cisco uBR-MC16X card is labeled "DS" to indicate that it outputs an IF-wave that requires an external upconverter.
In Cisco IOS Release 12.2(15)CX and later releases, the downstream ports support 64-QAM and 256-QAM, and the upstream ports support QPSK, 8-QAM, 16-QAM, 32-QAM, and 64-QAM modulation, depending on the upstream's mode of operation.
Depending on the configuration, the Cisco uBR-MC16U/X line card supports either DOCSIS or EuroDOCSIS operation:
•
DOCSIS cable networks are based on the ITU J.83 Annex B physical layer standard and Data-over-Cable Service Interface Specifications (DOCSIS, Annex B) specification, which use 6 MHz National Television Systems Committee (NTSC) channel plans. In this mode, the downstream uses a 6-MHz channel width in the 85- to 860-MHz frequency range, and the upstream supports multiple channel widths in the 5 to 42 MHz frequency range.
•
EuroDOCSIS cable networks are based on the ITU J.112 Annex A physical layer standard and European DOCSIS (EuroDOCSIS, Annex A) specification, which use 8 MHz Phase Alternating Line (PAL) and Systeme Electronique Couleur Avec Memoire (SECAM) channel plans. In this mode, 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.
When operating in either the DOCSIS or EuroDOCSIS mode of operation, the Cisco uBR-MC16U/X card supports the following types of networks:
•
TDMA-only mode, which supports only DOCSIS 1.0 and DOCSIS 1.1 cable modems.
•
A-TDMA-only mode, which supports DOCSIS 2.0 cable modems.
•
Mixed TDMA/A-TDMA mode, which supports both DOCSIS 1.0/DOCSIS 1.1 and DOCSIS 2.0 cable modems on the same upstream.
For more information, see Configuring the Cisco uBR-MC16U/X Cable Interface Line Card at the following URL:
Note
The Cisco uBR-MC16U/X card also supports the extended frequency ranges that are used in Japanese Annex B networks: 70 to 860 MHz (downstream) and 5- to 55-Mhz (upstream).
Cisco uBR-MC28 Cable Interface Line Cards
The Cisco uBR-MC28 cable interface line cards feature two downstream modulators and eight upstream demodulators. Three different hardware versions of this cable interface line card currently exist.
Cisco uBR-MC28C
The Cisco uBR-MC28C line card is divided into two RF domains; each domain has one downstream and four upstream ports. The Cisco uBR-MC28C supports all DOCSIS upstream channel widths described in Table 6 and the DOCSIS downstream for 6-MHz channel width listed on Table 8. The card output is +42 dBmV +/- 2 dB.
The Cisco uBR-MC28C line card requires an NPE-225 or higher (with 128 MB DRAM) in the Cisco uBR7246VXR, and an NPE200 or higher on a Cisco uBR7223 router and a Cisco uBR7246 router to work properly.
Figure 9 Cisco uBR-MC28C Cable Interface Line Card
Cisco uBR-MC28U/X
The Cisco uBR-MC28U and Cisco uBR-MC28X (Cisco uBR-MC28U/X) cable interface line cards are two of the new broadband processing engine (BPE) series of cable interfaces that are available for the Cisco uBR7246VXR universal broadband router. The BPE cards provide increased performance and advanced radio frequency (RF) management, as well as innovative, integrated tools for sophisticated content, traffic and network management.
Figure 10 shows the front panel of the Cisco uBR-MC28U line card, and Figure 11 shows the front panel of the Cisco uBR-MC28X line card.
Tip
The cards have colored tabs; green indicates a "U" line card, yellow indicates an "X" line card.
Figure 10 Cisco uBR-MC28U Cable Interface Line Card Faceplate
Figure 11 Cisco uBR-MC28X Cable Interface Line Card Faceplate
Note
The downstream on the Cisco uBR-MC28U card is labeled "DS0 RF" to indicate that it outputs an RF-wave from the internal upconverter. The downstream on the Cisco uBR-MC28X card is labeled "DS" to indicate that it outputs an IF-wave that requires an external upconverter.
In Cisco IOS Release 12.2(15)CX and later releases, the downstream ports support 64-QAM and 256-QAM, and the upstream ports support QPSK, 8-QAM, 16-QAM, 32-QAM, and 64-QAM modulation, depending on the upstream's mode of operation.
Depending on the configuration, the Cisco uBR-MC28U/X line card supports either DOCSIS or EuroDOCSIS operation:
•
DOCSIS cable networks are based on the ITU J.83 Annex B physical layer standard and Data-over-Cable Service Interface Specifications (DOCSIS, Annex B) specification, which use 6-MHz National Television Systems Committee (NTSC) channel plans. In this mode, the downstream uses a 6-MHz channel width in the 85- to 860-MHz frequency range, and the upstream supports multiple channel widths in the 5- to 42-MHz frequency range.
•
EuroDOCSIS cable networks are based on the ITU J.112 Annex A physical layer standard and European DOCSIS (EuroDOCSIS, Annex A) specification, which use 8-MHz Phase Alternating Line (PAL) and Systeme Electronique Couleur Avec Memoire (SECAM) channel plans. In this mode, 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.
When operating in either the DOCSIS or EuroDOCSIS mode of operation, the Cisco uBR-MC28U/X line card supports the following types of networks:
•
TDMA-only mode, which supports only DOCSIS 1.0 and DOCSIS 1.1 cable modems.
•
A-TDMA-only mode, which supports DOCSIS 2.0 cable modems.
•
Mixed TDMA/A-TDMA mode, which supports both DOCSIS 1.0/DOCSIS 1.1 and DOCSIS 2.0 cable modems on the same upstream.
Note
The Cisco uBR-MC28U/X line card also supports the extended frequency ranges that are used in Japanese Annex B networks: 70- to 860-MHz (downstream) and 5- to 55-Mhz (upstream).
For more information, see Configuring the Cisco uBR-MC28U/X Cable Interface Line Card at the following URL:
Cisco MCxx Interface and Port Names
Downstream ports on the Cisco uBR-MC11, Cisco uBR-MC12, Cisco uBR-MC14, and Cisco uBR-MC16 cable interface line cards are labeled DS. The downstream ports on the Cisco uBR-MC28 card are labeled DS0 and DS1. Upstream ports for all cable interface line cards are labeled US0 through USn where n represents the upstream port. Each cable interface line card designation indicates the number of upstream and downstream ports available on the card. For instance, the Cisco uBR-MC16C contains one upstream port and six downstream ports. The Cisco uBR-MC28C contains two downstream and eight upstream ports configured in two domains.
Table 2 maps the cable interface line card's interfaces and physical port names. In the Interface column, x is a variable for the card slot where the cable interface line card is installed. This column also indicates the domain of upstream/downstream ports: 0 or 1. Currently, only the Cisco uBR-MC28C uses two domains. The Cisco uBR-MC28C contains two downstream and eight upstream ports divided equally into two domains of four upstream ports and one downstream port. Each domain operates independently; you cannot mix and match upstream and downstream ports.
CautionContrary to existing Cisco conventions, the downstream and upstream ports are considered a single logical interface, not separate interfaces.
Cisco uBR-MC16x and Cisco uBR-MC28x Cable Interface Line Card LEDs
Except for the Cisco uBR-MC16S cable interface line card, the LEDs on cable interface line cards are identical in functionality and location. Figure 12 shows the location of the LEDs, using the Cisco uBR-MC28C line card as a representative sample. The Cisco uBR-MC16S line card contains an additional LED for each upstream port to indicate spectrum management activity, as shown in Figure 13. Figure 14 shows the colored tabs used on the Cisco uBR-MC16U/X and
Cisco uBR-MC28U/X line cards. Table 3 describes the functions of the LEDs on the cards.Figure 12 Cable Interface Line Card LEDs (Cisco uBR-MC28C Shown)
Figure 13 Spectrum Management LEDs on Cisco uBR-MC16S
Figure 14 Cisco uBR-MC16U/X (and MC28U/X) Line Cards Have Colored Tabs (uBR-MC16U shown)
Note
Although all other Cisco cable interface line cards transmit downstream signals to upconverters using a 44-MHz frequency, the Cisco uBR-MC16E line card transmits downstream IF signals to an upconverter using the 36.125-MHz frequency. The upconverter must support PAL or SECAM channel operation.
Cable Interface Line Card Specifications
Table 4 lists the default downstream and upstream modulation scheme and output power for each cable interface line card. As noted, the cable interface line cards support either the DOCSIS and EuroDOCSIS standards listed in Table 6. For more specific information on configuring cable interface line cards, refer to the Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide and appropriate feature modules.
Table 4 Cable Interface Line Card Specifications
Cable Interface Line Card Downstream Modulation Upstream Modulation OutputCisco uBR-MC11 FPGA1
64-QAM 2
QPSK3
+32 dBmV +/-2 dB
Cisco uBR-MC11C4
Cisco uBR-MC12C4
Cisco uBR-MC14C464-QAM
QPSK
+42 dBmV +/- 2 dB
Cisco uBR-MC16B5
64-QAM
QPSK
+32 dBmV +/-2 dB
Cisco uBR-MC16E6
64-QAM, 256-QAM
QPSK, 16-QAM
+40 dBmV +/-2 dB
Cisco uBR-MC16C4
64-QAM, 256-QAM
QPSK, 16-QAM
+42 dBmV +/- 2 dB
Cisco uBR-MC16S
64-QAM
QPSK
+42 dBmV +/- 2 dB
Cisco uBR-MC16U
64-QAM, 256-QAM
QPSK, 8-, 16-, 32-, 64-QAM
+50 to 61 dBmV (RF)
Cisco uBR-MC16X
64-QAM, 256-QAM
QPSK, 8-, 16-, 32-, 64-QAM
+42 dBmV +/- 2 dB (IF)
Cisco uBR-MC28C4
64-QAM
QPSK
+42 dBmV +/- 2 dB
Cisco uBR-MC28U
64-QAM, 256-QAM
QPSK, 8-, 16-, 32-, 64-QAM
+50 to 61 dBmV (RF)
Cisco uBR-MC28X
64-QAM, 256-QAM
QPSK, 8-, 16-, 32-, 64-QAM
+42 dBmV +/- 2 dB (IF)
1 FPGA-field-programmable gate array
2 QAM-quadrature amplitude modulation
3 QPSK-quadrature phase-shift keying
4 Supports all DOCSIS upstream channel widths described in Table 6.
5 In QPSK upstream operation, the Cisco uBR-MC16B supports all DOCSIS upstream channel widths described in Table 6. In 16-QAM upstream operation, the Cisco uBR-MC16B excludes support for two of the five upstream symbol rates—2.56 M and 1.28 M. Similarly, in 256-QAM downstream operation, the Cisco uBR-MC16B excludes support for the same two DOCSIS symbol rates—2.56 M and 1.28 M.
6 Supports the ITU J.83 Annex A physical layer and the proposed EuroDOCSIS standard (ECR RFI-R-98036) from Cable Labs. The Cisco uBR-MC16E is designed to provide two-way Data over Cable between a headend and EuroDOCSIS-compliant cable interface lines and STBs in the 5- to- 65-MHz upstream and 85-to- 860-MHz downstream European PAL/SECAM 8-MHz channel environments.
Minimum Software Requirements
Table 5 summarizes the minimum required Cisco IOS release image necessary to support each type of Cisco cable interface line card, as well as the minimum Cisco IOS release required for basic DOCSIS or EuroDOCSIS functionality. Certain features require other minimum releases. See the appropriate feature module for more information
Table 5 Minimum Required Cisco IOS Release Images by Cable Interface Line Card Type
Cable Interface Line Card Minimum Cisco IOS Release ImagesCisco uBR-MC11 FPGA
Cisco IOS Release 12.0 T or later release of Cisco IOS
Cisco uBR-MC16B
Cisco IOS Release 12.0(3)T or later release of Cisco IOS Release 12.0 T
Cisco uBR-MC11C, Cisco uBR-MC12C, Cisco uBR-MC14C, and Cisco uBR-MC16C
Cisco IOS Release 12.0(5)T1 or later release of Cisco IOS Release 12.0 T
Cisco IOS Release 12.1(1a)T1 or later release of Cisco IOS Release 12.1 TCisco uBR-MC16E
Cisco IOS Release 12.0(8)SC1 or later release of Cisco IOS Release 12.0 SC
Cisco IOS Release 12.0(7)T or later release of Cisco IOS Release 12.0 T
Cisco IOS Release 12.1(1a)T1 or later release of Cisco IOS Release 12.1 TCisco uBR-MC16S1
Cisco IOS Release 12.0(7)XR2 or later release of Cisco IOS Release 12.0 XR
Cisco IOS Release 12.1(1)T or later release of Cisco IOS Release 12.1 TCisco uBR-MC28C
Cisco IOS Release 12.1(3a)EC1 or later release of Cisco IOS Release 12.1 EC
Cisco uBR-MC16U/X
Cisco IOS Release 12.2(15)CX
Cisco uBR-MC28U/X
Cisco IOS Release 12.2(15)CX
1 Cisco IOS Release 12.1(3a)EC1 or later release of Cisco IOS Release 12.1 EC is required for certain advanced spectrum management features, such as Dynamic Upstream Modulation.
DOCSIS and EuroDOCSIS Data Rates and Modulation Schemes
Cisco cable interface line cards can be configured in a number of different upstream combinations based on the card used, your cable network, and the anticipated subscription and service levels. Table 6 lists the data rates and modulation schemes for both DOCSIS1.1 and EuroDOCSIS 1.1 standards. Table 7 lists the data rates and modulation schemes for DOCSIS 2.0 and EuroDOCSIS 2.0 standards. Table 8 lists the downstream data rates.
Cisco uBR7200 Series Chassis Slot Numbering
Figure 15 shows the chassis numbering scheme used in the Cisco uBR7223 router. Chassis slot numbering begins with the port adapters in slot 0.
Figure 15 Cisco uBR7223 Chassis Slot Numbering
Figure 16 shows the chassis slot numbering scheme used in the Cisco uBR7246 and the Cisco uBR7246VXR router. Chassis slot numbering begins with the port adapters in slot 0.
Figure 16 Cisco uBR7246VXR Chassis Slot Numbering
Safety Guidelines and Warnings
Following are safety guidelines that you should take into consideration when working with any equipment that connects to electrical power or telephone wiring.
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 if 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 can occur when electronic cards or components are improperly handled, results in complete or intermittent failures. Cable interface line cards comprise printed circuit boards that are fixed in metal carriers. Electromagnetic interference (EMI) shielding and connectors are integral components of the carrier. Although the metal carrier helps to protect the board from ESD, always use a preventive anti-static strap when handling equipment.
Following are guidelines for preventing ESD damage:
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Always use an ESD wrist or ankle strap and ensure that it makes good skin contact.
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Connect the equipment end of the strap to an unfinished chassis surface.
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When installing a component, use any available ejector levers or captive installation screws to properly seat the bus connectors in the backplane or midplane. These devices prevent accidental removal, provide proper grounding for the system, and help to ensure that bus connectors are properly seated.
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When removing a component, use any available ejector levers or captive installation screws to release the bus connectors from the backplane or midplane.
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Handle carriers by available handles or edges only; avoid touching the printed circuit boards or connectors.
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Place a removed component board-side-up on an anti-static surface or in a static shielding container. If you plan to return the component to the factory, immediately place it in a static shielding container.
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Avoid contact between the printed circuit boards and clothing. The wrist strap only protects components from ESD voltages on the body; ESD voltages on clothing can still cause damage.
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Never attempt to remove the printed circuit board from the metal carrier.
CautionPeriodically check the resistance value of the anti-static strap. The measurement should be within the range of 1 to 10 megohm (Mohm).
Figure 17 shows the location of a printed circuit board when it is installed on a Cisco uBR7200 series cable interface line card metal carrier. Do not touch the printed circuit board when handling either component.
Figure 17 Handling the Cisco uBR7200 Series Cable Interface Line Cards—Side View
CautionBe sure to tighten the captive installation screws on the cable interface line cards (use a number 2 Phillips screwdriver). These screws prevent accidental removal, provide proper grounding for the router, and help to ensure that the cable interface line cards are properly seated in the router midplane.
Warning Definition
FCC Class A Compliance
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense.
You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices.
If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures:
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Turn the television or radio antenna until the interference stops.
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Move the equipment to one side or the other of the television or radio.
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Move the equipment farther away from the television or radio.
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Plug the equipment into an outlet that is on a different circuit from the television or radio. (That is, make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses.)
Modifications to this product not authorized by Cisco Systems, Inc. could void the FCC approval and negate your authority to operate the product.
Compliance with U.S. Export Laws and Regulations Regarding Encryption
This product can perform encryption (if the baseline privacy feature is included in your particular software image) and is regulated for export by the U.S. Government. Following is specific information regarding compliance with U.S. export laws and regulations for encryption products:
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This product is not authorized for use by persons located outside the United States and Canada that do not have export license authority from the U.S. Government.
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This product may not be exported outside the U.S. and Canada either by physical or electronic means without the prior written approval of the U.S. Government.
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Persons outside the U.S. and Canada may not reexport, resell, or transfer this product by either physical or electronic means without prior written approval of the U.S. Government.
Cable Interface Line Card Installation Instructions
The following sections describe how to remove and install Cisco cable interface line cards in a Cisco uBR7200 series universal broadband router. In addition, this section includes safety and ESD-prevention guidelines to help you avoid injury to yourself and damage to the equipment.
Prepare for Installation
Parts and Tools
You will need the following tools and parts to remove and replace the cable interface line card. If you need additional equipment, contact a service representative for ordering information:
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New cable interface line card
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Number 2 Phillips screwdriver
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3/16-inch flat-blade screwdriver
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Your own ESD-prevention equipment or the disposable grounding wrist strap included with all upgrade kits, FRUs, and spares
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Anti-static mat or surface
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Static shielding bag
Required Software and Hardware
Ensure that your network is designed to support reliable broadband data transmission. At minimum, your network must include:
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Computer on the WAN side of your Cisco uBR7200 series router configured as adynamic host configuration protocol (DHCP) server to assign IP addresses to cable modems or set-top boxes on the hybrid-fiber coaxial (HFC) network.
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Cisco uBR7200 series-compatible IF-to-RF upconverter installed in the downstream data path at your headend site. (Cisco uBR-MC16U cable interface line cards and Cisco uBR-MC28U cable interface line cards do not require upconverters.) The upconverter is installed between the Cisco uBR7200 series router and the combiner. The combiner refers to all cables, amplifiers, and taps at the headend or cable distribution center that connect the Cisco uBR7200 series router to the HFC network.
Note
In a North American 6-MHz channel environment, Cisco cable interface line cards transmit downstream IF signals to IF-to-RF upconverters at a 44-MHz frequency. In a European 8-MHz channel environment, Cisco cable interface line cards transmit downstream IF signals to IF-to-RF upconverters at a 36.125 MHz frequency. Ensure that your particular upconverter supports the appropriate IF input from your cable interface line card.
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Diplex filters installed in the downstream RF path between the cable modems and the cable interface line cards in the Cisco uBR7200 series router.
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EIA/TIA-59 headend coaxial cable with the maximum braid available (60% + 40% braid), double foil, and the correct connector for this cable.
Note
For more information on DHCP servers, upconverters, and coaxial cables, refer to the Cisco uBR7200 Series Universal Broadband Router Hardware Installation Guide.
Complete a basic configuration of the Cisco uBR7200 series router. This includes, as a minimum, the following tasks:
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Configure a host name and password for the Cisco uBR7200 series router.
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Configure the Cisco uBR7200 series to support IP.
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Install at least one Cisco cable interface line card in the appropriate slot of Cisco uBR7200 series router chassis.
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Install and configure at least one port adapter to provide backbone connectivity.
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Cisco uBR7200 series-compatible IF-to-RF upconverter installed in your downstream path. Ensure that your upconverter supports the appropriate IF input from your cable interface line card.
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EIA/TIA-59 headend coaxial cable with a minimum of 60% + 40% braid, double foil, and a center connector with a diameter of 0.022 inch (0.056 mm) to 0.042 inch (1.07 mm). EIA/TIA-59/U and EIA/TIA-6 coaxial cable can also be used, but EIA/TIA-59 cable is recommended.
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An appropriate Cisco IOS release software image to support both your Cisco uBR7200 series universal broadband router and cable interface line card selection. For specific information regarding minimum cable interface line card software image requirements, refer to the "Minimum Software Requirements" section and the Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide.
Remove and Install a Cable Interface Line Card
The following sections explain how to remove, r












































