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Symmetricom TimeCreator 1000 User Manual

Symmetricom TimeCreator 1000
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TimeCreator 1000
DOCSIS Timing Interface Server
User’s Guide
Revision C – February 2010
Part Number 097-93100-01

Table of Contents

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Questions and Answers:

Symmetricom TimeCreator 1000 Specifications

General IconGeneral
BrandSymmetricom
ModelTimeCreator 1000
CategoryServer
LanguageEnglish

Summary

How to Use This Guide

Purpose of This Guide

Explains the scope and content of the TimeCreator 1000 User's Guide.

Structure of This Guide

Details the sections and appendixes included in the user guide.

Conventions Used in This Guide

Explains typographical and formatting conventions used throughout the document.

Warnings, Cautions, Recommendations, and Notes

Defines the meaning of different informational icons and their importance.

Chapter 1 Overview of the TimeCreator 1000

Overview

Introduces the TimeCreator 1000 as a DOCSIS Timing Interface Server and its role in M-CMTS.

Communications Ports

Describes the EIA-232 serial and Ethernet connections for system provisioning.

Operating Modes

Details the different operational modes of the TimeCreator 1000, such as warm-up and holdover.

Performance Monitoring

Explains how to monitor performance metrics like jitter, MTIE, and frame error rate.

Functional Description

Details the front and rear panel components, including IOC, IMC, and DTI interfaces.

Chapter 2 Engineering and Ordering Procedures

TimeCreator 1000 Part Numbers

Lists part numbers for various system configurations and components.

User-Supplied Tools and Materials

Specifies the tools and materials needed for installation and testing the TimeCreator 1000.

Chapter 3 Installing the TimeCreator 1000

Getting Started

Covers initial considerations before installation, including site survey and environmental requirements.

Rack Mounting the Shelf

Details the process for mounting the TimeCreator 1000 shelf into a rack.

Working With Modules

Explains how to handle, install, and remove the device's plug-in modules.

Making Signal Connections

Guides on connecting GPS, Ethernet, and serial ports for system communication.

Making Ground and Power Connections

Details the procedures for establishing proper grounding and electrical power connections.

Chapter 4 General Guidelines for using the Symmetricom TimeCreator 1000

Clock Operations

Describes how the TimeCreator 1000 handles TOD sources and manages time synchronization.

CLI commands

Explains how to log in/out, manage users, save configurations, and determine status via CLI.

Chapter 5 Provisioning

Establishing a Connection to the TimeCreator 1000

Details methods for connecting to the device via serial or Ethernet ports for management.

Managing the User Access List

Covers adding, deleting, and managing user accounts and their access levels.

Provisioning Services

Explains how to enable or disable core services like EIA-232, Telnet, SSH, NTP, and SNMP.

Setting the DTI Server Type

Describes how to configure the TimeCreator 1000 as a root or subtending server using GPS, NTP, or RTC.

Provisioning the Input Reference

Guides on configuring GPS and DTI parameters, including priority levels.

Provisioning Alarms

Details how to set and clear alarm thresholds and manage alarm states.

Saving and Restoring Provisioning Data

Explains procedures for backing up and restoring system configurations.

Chapter 6 Maintenance and Troubleshooting

Preventive Maintenance

Outlines periodic maintenance tasks to ensure optimal unit performance.

Diagnosing the IOC

Covers reading LED conditions and procedures for removing and replacing the IOC module.

Diagnosing the IMC

Explains how to read IMC LED conditions and procedures for replacing the IMC module.

Upgrading the Firmware

Details the process for upgrading firmware on IMC and IOC modules using CLI commands.

Returning the TimeCreator 1000

Provides instructions for returning the unit for repair, including repacking and RMA procedures.

Appendix A Alarms, Events and SNMP Traps

Alarm Messages

Lists system notification messages for alarms, their descriptions, and corrective actions.

SNMP Traps

Provides MIB var bindings for Symmetricom-specific SNMP traps.

Appendix B Command Descriptions and Communications Interface

CLI Overview

Introduces the Command Line Interface and its general conventions and command structure.

CLI Commands

Provides an alphabetical listing of all CLI commands with syntax, examples, and levels.

Show Alarms

Displays a list of all standing (active) system alarms.

Set Configuration

Used to backup, restore, or set configurations to factory defaults.

Show GPS

Displays GPS position, mode, satellite tracking status, and satellite vehicle information.

Show IP

Displays IP configuration and status for Ethernet interfaces, including DHCP status.

Show User

Displays all assigned users and their access levels.

Show Whitelist

Displays the list of IP addresses currently on the system's whitelist.

Simple Network Management Protocol

Describes SNMPv2c and SNMPv3 support for network device management.

Network Time Protocol

Explains NTP's role in synchronizing system clocks over a TCP/IP network.

Appendix C Installing the Two-Way GPS Antenna

Making GPS Connections

Covers connecting the GPS antenna signal and installing the antenna itself.

Appendix D Specifications and Factory Defaults

Specifications

Lists detailed mechanical, environmental, power, serial, LAN, input, and output signal specifications.

Factory Defaults

Details default settings for GPS, DTI port parameters, IMC, communication, and alarm configurations.

Appendix E Software Licenses

Third-Party Software

Provides a list of third-party software applications included with the TimeCreator 1000.

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