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List of Tables

vii

List of Tables

List of Tables

Table 1:

G10 CMTS Environmental Specifications ..............................................4

Table 2:

RF Plant/HFC Environment Characterization ........................................6

Table 3:

Existing DOCSIS Service Characterization.............................................7

Table 4:

Upstream CMTS Parameter Characterization ........................................8

Table 5:

Downstream CMTS Parameter Characterization .................................10

Table 6:

Upstream Frequency Spectrum Utilization..........................................11

Table 7:

Pre-Installation Requirement Summary Checklist ...............................12

Table 8:

Average Noise Spectrum Analyzer Settings .........................................13

Table 9:

Peak Noise Spectrum Analyzer Setup..................................................14

Table 10:

Existing DOCSIS Service Characterization...........................................16

Table 11:

Upstream CMTS Parameter Characterization ......................................17

Table 12:

Downstream CMTS Parameter Characterization .................................19

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Содержание G10 CMTS

Страница 1: ...Juniper Networks Inc 1194 North Mathilda Avenue Sunnyvale CA 94089 USA 408 745 2000 www juniper net Part Number 530 006434 01 Revision 2 Juniper Networks G10 CMTS Pre Installation Guide ...

Страница 2: ...NOS JUNOScript M5 M10 M20 M40 M40e and M160 are trademarks of Juniper Networks Inc All other trademarks service marks registered trademarks or registered service marks are the property of their respective owners All specifications are subject to change without notice Juniper Networks G10 CMTS Pre Installation Guide Copyright 2002 Juniper Networks Inc All rights reserved Printed in USA Writer Dervi...

Страница 3: ...t xi Chapter 1 Site Requirements 1 Safety 1 Notices 2 Power 2 AC Power 3 DC Power 3 Environment 3 Mounting 4 Tools and Equipment Required for Installation 5 Characterization of Installation Site 6 Summary Checklist 12 Noise Measurement Methodology 13 Average Upstream Noise Measurement 13 Peak Upstream Noise Measurement 14 Additional Characterization Tables 16 ...

Страница 4: ... Juniper Networks G10 CMTS Pre Installation Guide iv ...

Страница 5: ... List of Figures v List of Figures List of Figures Figure 1 Average Upstream Noise Measurement Example 14 Figure 2 Peak Upstream Noise Measurement Example 15 ...

Страница 6: ...List of Figures Juniper Networks G10 CMTS Pre Installation Guide vi ...

Страница 7: ...racterization 8 Table 5 Downstream CMTS Parameter Characterization 10 Table 6 Upstream Frequency Spectrum Utilization 11 Table 7 Pre Installation Requirement Summary Checklist 12 Table 8 Average Noise Spectrum Analyzer Settings 13 Table 9 Peak Noise Spectrum Analyzer Setup 14 Table 10 Existing DOCSIS Service Characterization 16 Table 11 Upstream CMTS Parameter Characterization 17 Table 12 Downstre...

Страница 8: ...List of Tables Juniper Networks G10 CMTS Pre Installation Guide viii ...

Страница 9: ...dations to ensure the safety and protection of system equipment and equipment installers Notices Lists important UL EN and FCC notices Power Provides input power requirements for the AC and DC configuration options of the CMTS Environment Provides specifications for maintaining proper environmental conditions for the CMTS Mounting Provides recommendations for mounting the CMTS in an equipment rack...

Страница 10: ...ow dialog box or field or b keys on a keyboard Software Conventions Computer font Font denotes code or messages displayed on screen Computer Bold font Font denotes literal commands and parameters that you enter exactly as shown Computer Italic font Font denotes parameter values that require a user defined input The value strings are enclosed in angle brackets parameter Square brackets denote optio...

Страница 11: ...he product s enclosure that may present a risk of electric shock Pre Installation Guide Installation and Configuration Getting Started Functional Description SNMP and Enterprise MIB Specification PREPARATION OPERATION REFERENCE Operation and Maintenance CLI Reference 530 006434 01 530 006437 01 530 006461 01 530 006435 01 530 006433 01 530 006459 01 530 006436 01 ...

Страница 12: ...G10 CMTS Document Set Juniper Networks G10 CMTS Pre Installation Guide xii ...

Страница 13: ...pertinent local and national regulatory requirements Only trained or certified personnel should be involved in the installation of the CMTS Enforce the use of grounding straps to protect the CMTS equipment from electrostatic discharge ESD damage Leave all modules in the anti static packaging until the time of installation Position the CMTS equipment in a clear dry dust free area Use a minimum of 3...

Страница 14: ...h circuit This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference...

Страница 15: ...ower DC Power The G10 CMTS requires a DC power source that operates within a voltage range of 36 to 72 VDC Appropriately sized circuit protection measures must be implemented to ensure compliance with electrical regulatory standards Power cables of 10 AWG are recommended for DC power Environment The installation site must meet the specifications provided in Table 1 on page 4 to maintain the proper...

Страница 16: ...oper clearance to the front and rear of the mounting rack is recommended so that the CMTS can be easily accessed during maintenance The recommended clearance to the front and rear of the chassis is 3 feet and 2 feet respectively Parameter Condition Requirement Temperature Ambient Operating 0 C to 40 C Ambient Non operating 35 C to 60 C Humidity Ambient Operating and Non operating 10 to 90 non cond...

Страница 17: ...wrench or 1 8 in hex torque screwdriver M5 Phillips torque screwdriver 10 Phillips torque screwdriver 10 flathead torque screwdriver 12 Phillips torque screwdriver 7 16 in torque wrench 22 10 AWG crimper cutter In addition the following supplies may be required RF cables and adapters Ethernet cables with RJ 45 connectors The following equipment is required to configure the G10 CMTS and verify that...

Страница 18: ...ks within HFC Distance between optical links within HFC ____ max ____ average Amplifier cascade depth from node ____ max ____ average Homes passed per node ____ max ____ average Total homes passed by installation site Node combining ratio per port ___ 1 upstream ___ 1 downstream Average upstream noise measurement1 ____ dB Peak upstream noise measurement1 ____ dB Passive loss from upstream receiver...

Страница 19: ...pstream input level expected at CMTS ____ dBmV FEC enabled If yes FEC level parameters T and K ____ yes ____ no ____T ____ K Upstream measured C N ____ dB Downstream RF bandwidth allocated ____ MHz max ____ MHz min Downstream modulation type ____ 64QAM ____256QAM Downstream output signal level relative to analog video ____ dB Downstream measured C N ____ dB DOSCIS carrier ____ dB Analog video carr...

Страница 20: ...AM CH0 _ QPSK _ 16QAM CH1 _ QPSK _ 16QAM CH2 _ QPSK _ 16QAM CH3 _ QPSK _ 16QAM CH4 _ QPSK _ 16QAM CH5 _ QPSK _ 16QAM CH6 _ QPSK _ 16QAM CH7 _ QPSK _ 16QAM CH8 _ QPSK _ 16QAM CH9 _ QPSK _ 16QAM CH10 _ QPSK _ 16QAM CH11 _ QPSK _ 16QAM CH12 _ QPSK _ 16QAM CH13 _ QPSK _ 16QAM CH14 _ QPSK _ 16QAM CH15 Channel width where applicable Circle the applicable unit ____ kHz MHz CH 0 ____ kHz MHz CH 1 ____ kHz...

Страница 21: ...Hz CH 13 ____ MHz CH 14 ____ MHz CH 15 ____ MHz CH 0 ____ MHz CH 1 ____ MHz CH 2 ____ MHz CH 3 ____ MHz CH 4 ____ MHz CH 5 ____ MHz CH 6 ____ MHz CH 7 ____ MHz CH 8 ____ MHz CH 9 ____ MHz CH 10 ____ MHz CH 11 ____ MHz CH 12 ____ MHz CH 13 ____ MHz CH 14 ____ MHz CH 15 ____ MHz CH 0 ____ MHz CH 1 ____ MHz CH 2 ____ MHz CH 3 ____ MHz CH 4 ____ MHz CH 5 ____ MHz CH 6 ____ MHz CH 7 ____ MHz CH 8 ____ ...

Страница 22: ... ____ 1 ____ 1 Channel frequency allocated ____ MHz ____ MHz ____ MHz ____ MHz Modulation type _ 64QAM _256QAM _ 64QAM _256QAM _ 64QAM _256QAM _ 64QAM _256QAM Output signal level relative to analog video ____ dB ____ dB ____ dB ____ dB Required channel output level ____ dBmV ____ dBmV ____ dBmV ____ dBmV Interleave depth setting ___ I of taps ___ J increments ___ I of taps ___ J increments ___ I o...

Страница 23: ...on 5 6 MHz 24 25 MHz 6 7 MHz 25 26 MHz 7 8 MHz 26 27 MHz 8 9 MHz 27 28 MHz 9 10 MHz 28 29 MHz 10 11 MHz 29 30 MHz 11 12 MHz 30 31 MHz 12 13 MHz 31 32 MHz 13 14 MHz 32 33 MHz 14 15 MHz 33 34 MHz 15 16 MHz 34 35 MHz 16 17 MHz 35 36 MHz 17 18 MHz 36 37 MHz 18 19 MHz 37 38 MHz 19 20 MHz 38 39 MHz 20 21 MHz 39 40 MHz 21 22 MHz 40 41 MHz 22 23 MHz 41 42 MHz 23 24 MHz ...

Страница 24: ...e with area electric regulations Separate AC input power supply sources for CMTS A and B domains DC Power DC input supply operates within range of 36 to 72 VDC Appropriate circuit protection in place for compliance with area electric regulations Environment Ambient temperature conditions satisfied Ambient humidity conditions satisfied Altitude conditions satisfied Vibration conditions satisfied Mo...

Страница 25: ...f total nodes terminated at the installation site 10 recommended should be taken Table 8 provides the appropriate setup configuration settings for the HP 8591C spectrum analyzer Table 8 Average Noise Spectrum Analyzer Settings 1 Connect the spectrum analyzer to the selected upstream signal at the upstream splitter or at the CMTS upstream port 2 Configure the spectrum analyzer per the values define...

Страница 26: ...he appropriate setup configuration settings for the HP 8591C spectrum analyzer Table 9 Peak Noise Spectrum Analyzer Setup 1 Connect the spectrum analyzer to the selected upstream signal at the upstream splitter or at the CMTS upstream port 2 Configure the spectrum analyzer per the values defined in Table 9 3 Start the measurement Upon completing the measurement the analyzer display should resemble...

Страница 27: ... Noise Measurement Methodology 15 Figure 2 Peak Upstream Noise Measurement Example ...

Страница 28: ...tream measured C N ____ dB Downstream RF bandwidth allocated ____ MHz max ____ MHz min Downstream modulation type ____ 64QAM ____256QAM Downstream output signal level relative to analog video ____ dB Downstream measured C N ____ dB DOSCIS carrier ____ dB Analog video carrier Downstream interleave depth setting ___ of taps ____ increments ____ DOCSIS Service Upstream RF bandwidth allocated ____ MHz...

Страница 29: ...1 _ QPSK _ 16QAM CH2 _ QPSK _ 16QAM CH3 _ QPSK _ 16QAM CH4 _ QPSK _ 16QAM CH5 _ QPSK _ 16QAM CH6 _ QPSK _ 16QAM CH7 _ QPSK _ 16QAM CH8 _ QPSK _ 16QAM CH9 _ QPSK _ 16QAM CH10 _ QPSK _ 16QAM CH11 _ QPSK _ 16QAM CH12 _ QPSK _ 16QAM CH13 _ QPSK _ 16QAM CH14 _ QPSK _ 16QAM CH15 Channel width where applicable Circle the applicable unit ____ kHz MHz CH 0 ____ kHz MHz CH 1 ____ kHz MHz CH 2 ____ kHz MHz C...

Страница 30: ...1 ____ MHz CH 12 ____ MHz CH 13 ____ MHz CH 14 ____ MHz CH 15 ____ MHz CH 0 ____ MHz CH 1 ____ MHz CH 2 ____ MHz CH 3 ____ MHz CH 4 ____ MHz CH 5 ____ MHz CH 6 ____ MHz CH 7 ____ MHz CH 8 ____ MHz CH 9 ____ MHz CH 10 ____ MHz CH 11 ____ MHz CH 12 ____ MHz CH 13 ____ MHz CH 14 ____ MHz CH 15 ____ MHz CH 0 ____ MHz CH 1 ____ MHz CH 2 ____ MHz CH 3 ____ MHz CH 4 ____ MHz CH 5 ____ MHz CH 6 ____ MHz C...

Страница 31: ...equency allocated ____ MHz ____ MHz ____ MHz ____ MHz Modulation type _ 64QAM _256QAM _ 64QAM _256QAM _ 64QAM _256QAM _ 64QAM _256QAM Output signal level relative to analog video ____ dB ____ dB ____ dB ____ dB Required channel output level ____ dBmV ____ dBmV ____ dBmV ____ dBmV Interleave depth setting ___ I of taps ___ J increments ___ I of taps ___ J increments ___ I of taps ___ J increments _...

Страница 32: ...Additional Characterization Tables Juniper Networks G10 CMTS Pre Installation Guide 20 ...

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