Digital Library / Get Your Read On
The following documents are standard reading for any broadband engineer / technician. I have posted this documents in the document library as a quick reference. They are freely available in other sources, but sometimes it is nice to have them all in one location:
DOCSIS Specifications
- DOCSIS 2.0 RF Interface Specification (RFI) - Read first for DOCSIS
- DOCSIS Baseline Interface Specification – DOCSIS BPI+ encryption
- DOCSIS Timing Interface Specification – DOCSIS DTI
DOCSIS 3.0 Based Specifications
- CM-SP-PHYv3.0 Physical Layer Specification
- CM-SP-MULPIv3.0 – MAC and Upper Layer Protocols Interface Specification
- CM-SP-OSSIv3.0 Operations Support System Interface Specification
- CM-SP-SECv3.0 Security Specification
- CM-SP-CMCIv3.0 Cable Modem CPE Interface Specification
ANSI/SCTE Specifications
Application Documents
- Agilent Spectrum Analysis Basics
This app note from Agilent is a premier tutorial on spectrum analyzer basics, but does not stop there. It goes into much of the mathematical details of how correction coefficients are calculated for digital signals. This is a must read for anyone in broadband communications. - Spectrum Analyzer Measurements and Noise
When using a spectrum analyzer to make measurements in any system, it is likely that one will attempt to measure signals which are very close to the noise floor. Making these measurements close to the noise floor will cause errors. This document explains why and how to correct for the errors.
DOCSIS Config File Examples
Note: The config files will need to be opened with a configuration editor which your company should have or you will be able to find on Google.
Links and Documents:
Cisco’s Web site:
- Cabling the Cisco RF Switch – Cisco Ref Document
- Troubleshooting Slow Performance in Cable Modem Networks (Cisco)
- CMTS Configuration FAQ (7246VXR uBR)
- Cisco Broadband Cable Command Reference Guide
- Troubleshooting uBR Cable Modems Not Coming Online
- N+1 Redundancy Using the Cisco RF Switch
- Cabling the Cisco uBR 3×10 RF Switch to the Cisco uBR10012 CMTS
- Cable Duplicate MAC Address Reject for the Cisco CMTS
- Cable Interface Bundling and Virtual Interface Bundling for the Cisco CMTS
- Cable Monitor and Intercept Features on the Cisco CMTS
- DHCP, ToD, and TFTP Services for the Cisco Cable Modem Termination System
- DOCSIS 1.1 for the Cisco CMTS
- DOCSIS 2.0 A-TDMA Services on the Cisco CMTS
- Internal DOCSIS Configurator File Generator for the Cisco CMTS
- EtherChannel on the Cisco Cable Modem Termination System
- Flap List Troubleshooting for the Cisco CMTS
- Maximum CPE or Host Parameters for the Cisco Cable Modem Termination System
- N+1 Redundancy for the Cisco Cable Modem Termination System
- PacketCable and PacketCable Multimedia for the Cisco CMTS
- Service Flow Admission Control for the Cisco CMTS
- Service Flow Mapping to MPLS-VPN on the Cisco CMTS
- Spectrum Management and Advanced Spectrum Management for the Cisco CMTS
- Time-of-Day Server for the Cisco CMTS
- Unique Device Identifier Retrieval for the Cisco CMTS
- Upstream Scheduler Mode for the Cisco CMTS
- Cisco CMTS System Messages
- MAC State Value Cisco CMTS
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