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Troubleshooting
Features for Troubleshooting
147
!
show cable modem unregistered
—Display a list of unregistered cable modems and
associated operational parameters.
!
show chassis environment
—Display environmental information about the CMTS
chassis, including the temperature of each DOCSIS Module, temperature thresholds, and
fan and power supply status.
See the
JUNOSg Software Operational Mode Command Reference
for more information about
these commands.
ServiceGuard Management System
You can perform spectrum monitoring of the HFC return path by using the ServiceGuard
Management System. The ServiceGuard Management System provides a headend technician
with an integrated tool to monitor and analyze the return path network performance at the
G10 CMTS by collecting measurements gathered by the Broadband Cable Processor ASIC,
processing them into useful statistical information, and presenting them graphically. Statistics
that you can be measure and plot within the ServiceGuard Management System include
noise power and noise power density, signal-to-noise ratio (SNR), modulation error
rate (MER), and codeword error rate (CER).
The ServiceGuard Management System incorporates an integrated impairment identification
tool that monitors statistics to characterize compromised performance to a potential cause
(such as impulse or burst noise, narrowband ingress, or microreflections).
This application allows you to recognize, identify, and troubleshoot issues with the return
path. In addition, you can use this application to map and allocate spectrum for upstream
interfaces.
The ServiceGuard Management System is an optional tool
that is not part of the standard G10 CMTS shipment. A
ServiceGuard Management System application must be
purchased to take advantage of this powerful diagnostic
aid.
Содержание G10 CMTS
Страница 8: ... JUNOSg 3 0 G10 CMTS Hardware Guide viii ...
Страница 18: ... JUNOSg 3 0 G10 CMTS Hardware Guide 2 ...
Страница 34: ...G10 CMTS Hardware Overview JUNOSg 3 0 G10 CMTS Hardware Guide 18 ...
Страница 46: ...DOCSIS Module JUNOSg 3 0 G10 CMTS Hardware Guide 30 Figure 12 DOCSIS Module Front Panel HotSwap ...
Страница 55: ... Hardware Component Overview Chassis Control Module 39 Figure 15 Chassis Control Module Front Panel Eth0 ...
Страница 72: ...Chassis Rear Modules JUNOSg 3 0 G10 CMTS Hardware Guide 56 Figure 21 Hard Disk Module Rear Panel C O M Eth ...
Страница 82: ... JUNOSg 3 0 G10 CMTS Hardware Guide 66 ...
Страница 112: ...Rack Mounting JUNOSg 3 0 G10 CMTS Hardware Guide 96 Figure 25 Air Flow Through Chassis ...
Страница 116: ...Rack Mounting JUNOSg 3 0 G10 CMTS Hardware Guide 100 Figure 29 Rack Fully Populated with Three G10 CMTS Chassis ...
Страница 118: ...Install Power Supplies JUNOSg 3 0 G10 CMTS Hardware Guide 102 Figure 30 Power Supply Installation 1 2 ...
Страница 138: ...Connect to Power Sources JUNOSg 3 0 G10 CMTS Hardware Guide 122 Figure 39 DC Power Transition Module ...
Страница 148: ... JUNOSg 3 0 G10 CMTS Hardware Guide 132 ...
Страница 156: ...Upstream RF Measurement JUNOSg 3 0 G10 CMTS Hardware Guide 140 ...
Страница 188: ... JUNOSg 3 0 G10 CMTS Hardware Guide 172 ...
Страница 196: ...Radio Frequency RF Specifications JUNOSg 3 0 G10 CMTS Hardware Guide 180 ...
Страница 202: ...EIA Channel Plans JUNOSg 3 0 G10 CMTS Hardware Guide 186 ...
Страница 203: ... 187 Part 5 Index Index on page 189 ...
Страница 204: ... JUNOSg 3 0 G10 CMTS Hardware Guide 188 ...
Страница 209: ... Index 193 Index V ventilation 69 89 95 101 124 161 162 167 video servers 7 voltage power supply 27 ...
Страница 210: ... Index JUNOSg 3 0 G10 CMTS Hardware Guide 194 ...