Nortel CMTS 1000 Release Note

Nortel versalar cmts 1000 modem system: release note
Hide thumbs Also See for CMTS 1000:

Advertisement

Release Notes for the
CMTS 1000 V2.1
Version 2.1
305472-B Rev 02
July 1999

Advertisement

Table of Contents
loading

Summary of Contents for Nortel CMTS 1000

  • Page 1 Release Notes for the CMTS 1000 V2.1 Version 2.1 305472-B Rev 02 July 1999...
  • Page 2 EN 55 022 Statement This is to certify that Nortel Networks CMTS is shielded against the generation of radio interfer- ence in accordance with the application of Council Directive 89/336/EEC, Article 4a. Conformity is declared by the application of EN 55 022 Class A (CISPR 22).
  • Page 3 In the interest of improving internal design, operational function, and/or reliability, Nortel Networks reserves the right to make changes to the products described in this document without notice. Nortel Networks does not assume any liability that may occur due to the use or application of the product(s) or circuit layout(s) described herein.
  • Page 4 Software is provided will be free from defects in materials and workmanship under normal use for a period of 90 days from the date Software is first shipped to Licensee. Nortel Networks will replace defective media at no charge if it is returned to Nortel Networks during the warranty period along with proof of the date of shipment.
  • Page 5 Licensee will immediately destroy or return to Nortel Networks the Software, user manuals, and all copies. Nortel Networks is not liable to Licensee for damages in any form solely by reason of the termination of this license. 8. Export and Re-export. Licensee agrees not to export, directly or indirectly, the Software or related technical data or information without first obtaining any required export licenses or other governmental approvals.
  • Page 6 Release Notes for the CMTS 1000 V2.1 305472-B Rev 02...
  • Page 7: Table Of Contents

    Customer Service ... xi How to Get Help ... xi Conventions Used in This Document ...xii Acronyms ...xiii Technical Publications ...xiv Associated Documents ...xiv Release Notes for the CMTS 1000 V2.1 Product Description ...1-1 Restrictions ...1-1 Preinstallation Configuration ...1-2 Settings ...1-2 Emulation ...1-2 Miscellaneous ...1-2...
  • Page 8 Release Notes for the CMTS 1000 V2.1 viii 305472-B Rev 02...
  • Page 9: About This Document

    Product: Date: Distribution: Software Version: BEFORE YOU BEGIN Before using this document, you should be familiar with RF measuring equipment, data over cable CATV system installation procedures, Cable Modem Provisioning Server, and general RF cable plant operating meth- ods. You should also be familiar with how to use an SNMP manager. 305472-B Rev 02 About This Document Software V2.1...
  • Page 10: Important Notice

    Arris encourages the use of Software Release 2.1. This release provides the following features and addresses some existing issues in the 2.0 code. Performance Arris has tuned the performance of the CMTS 1000. Users will benefit from a 40% performance improvement with using Software Release 2.1. Added Features The CMTS 1000 with S/W 2.1 will support 1024 bit modular RSA keys.
  • Page 11: Customer Service

    You can purchase a support contract from your Nortel Networks distributor or authorized reseller, or directly from Nortel Networks Services. For information about, or to purchase a Nortel Networks service contract, either call your local Nortel Networks field sales office or one of the fol- lowing numbers: Telephone...
  • Page 12: Conventions Used In This Document

    Release Notes for the CMTS 1000 V2.1 Telephone Region United States 800-2LANWAN* and Canada (978-916-3700) Europe 33-4-92-96-69-68 * For cable modems and cable modem family products, use Express Rout- ing Code 174. CONVENTIONS USED IN THIS DOCUMENT Italic text screen text Indicates data that appears on the screen.
  • Page 13: Acronyms

    ACRONYMS CATV CMTS DHCP DOCSIS IGMP QPSK SNMP SOHO TFTP 305472-B Rev 02 Address Resolution Protocol Community Access (Antenna) TV Command Line Interface Cable Modem Cable Modem Termination System Communications Port Dynamic Host Configuration Protocol Data Over Cable Service Interface Specification File Transfer Protocol Internet Group Management Protocol Internet Protocol...
  • Page 14: Technical Publications

    You can download Acrobat Reader free from the Adobe Systems Web site, www.adobe.com. Documentation sets and CDs are available through your local Nortel Net- works sales office or account representative. ASSOCIATED DOCUMENTS Refer to the following documents for further information: •...
  • Page 15: Release Notes For The Cmts 1000 V2.1

    TV network. Additionally, the CMTS 1000 complies with the Data Over Cable Service Interface Specification (DOCSIS), which defines a standard for cable modems and the cable modem termination systems.
  • Page 16: Preinstallation Configuration

    Release Notes for the CMTS 1000 PREINSTALLATION CONFIGURATION It is possible to communicate with the CMTS 1000 using any standard terminal program (i.e., the Terminal.exe with Win3.1 or Win95). It is also possible to use HyperTerminal with Win95 and Win98. The following connection settings are required to communicate with the CMTS 1000.
  • Page 17: Upgrade Recommendations

    Upgrading the CMTS forces a reset that will cause the network to go down for a few minutes. Upgrade Procedure Summary There are six basic steps to perform an upgrade to a CMTS 1000 using a standard SNMP manager. 1. Verify contents of upgrade package.
  • Page 18 Step #1: Verify Contents of Upgrade Package The distribution method for the CM 100 and CMTS 1000 upgrade is via a Nortel Network-maintained FTP server and web site. Upgrade software directories will include separate software files for the CM 100 and the CMTS 1000.
  • Page 19 Step #4: Initiate Upgrade Process Software Upgrade via SNMP Use the following procedure to upgrade a CMTS 1000 using an SNMP manager. 1. Select CMTS 1000 to be upgraded. 2. Select the DocsDev MIB Object ID. 3. Select the Docs_Software MIB Object ID. The SNMP manager displays the softwareInfo Table.
  • Page 20: New Features

    Release Notes for the CMTS 1000 NEW FEATURES Software Upgrade Integrity Check The cycle Redundancy check is being verified during software upgrade in addition to being checked on system start-up. Baseline Privacy Previous revisions of the CMTS support a 768 bit modulus RSA key. The CMTS now supports 768 and 1024 bit modulus RSA keys.
  • Page 21: Problems Fixed

    PROBLEMS FIXED The following problems were discovered in Release 2.0 of the CMTS and corrected. An Internal inconsistency in the upstream scheduler caused the CMTS to reset when the cable interface admin status was cycled from down to up on a plant with more than 200 CMs. The frequency status table for Ingress Avoidance displayed frequencies, as in use, though upstream interfaces were disabled.
  • Page 22: Anomalies

    Release Notes for the CMTS 1000 The CMTS downstream forwarding rate of 64 byte packets has been increased by 60% with a single upstream. ANOMALIES Ranging at 16 qam is not supported. Differential encoding is not supported. 100 Mbit Autonegotiate operation will log a DHCP failure in the event log.
  • Page 23 W h a t d o y o u thin k o f this d o c u m e n t? Y o u r c om m e n ts a nd s u g ge s tio ns w ill he lp u s to im p ro v e th e q ua lity an d u s e fuln es s of ou r pu b lic a tio n s .
  • Page 24 DO NOT CUT - FOLD HERE AND TAPE DO NOT CUT - FOLD HERE AND TAPE ARRIS ARRIS A Nortel Networks /ANTEC Venture A Nortel Networks /ANTEC Venture 200 Bulfinch Drive 200 Bulfinch Drive Andover, MA 01810 Andover, MA 01810...
  • Page 25 Printed in USA...

This manual is also suitable for:

Cmts 1000 v2.1

Table of Contents