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Symmetricom SSU-2000 User Manual

Symmetricom SSU-2000
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SSU-2000 Synchronization Supply Unit
and the
SDU-2000 Synchronization Distribution Unit
User Guide
Revision D – April 2004
Part Number 12713020-002-2

Table of Contents

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Symmetricom SSU-2000 Specifications

General IconGeneral
BrandSymmetricom
ModelSSU-2000
CategoryPower Supply
LanguageEnglish

Summary

How to Use This Guide

Purpose of This Guide

Describes the manual's purpose, scope, and intended audience for product information.

Structure of This Guide

Details the organization of the document, including chapters and appendixes.

Conventions Used in This Guide

Explains formatting, typographical, and abbreviation conventions used throughout the manual.

Warnings, Cautions, Recommendations, and Notes

Highlights critical safety, operational, and advisory information presented in the guide.

Chapter 1 Product Overview

Overview

Introduces the SSU-2000 Synchronization Supply Unit and its industry role.

System Architecture

Describes the SSU-2000's main sections and operational flow.

System Components

Details the physical components of a typical SSU-2000 installation.

Communications Protocol

Summarizes methods for controlling the SSU-2000 and available software features.

Chapter 2 Installing the SSU-2000

Unpacking and Inspecting the Shelf

Provides procedures for carefully unpacking and checking the SSU-2000 equipment.

Grounding and Power Input

Details critical grounding and power connection procedures for the SSU-2000.

Making Connections

Guides the user through establishing I/O, communication, and alarm connections.

Handling Modules

Provides precautions and procedures for safely installing, exchanging, or removing modules.

Powering Up the SSU-2000

Details the procedure for powering on the SSU-2000 system and expected LED indications.

Chapter 3 Provisioning and Operating the SSU-2000

Establishing a Connection With the SSU-2000

Explains methods for connecting to the SSU-2000 via serial or Ethernet.

Initial Provisioning

Provides general instructions for configuring the SSU-2000 after installation.

Checking Alarm Status

Describes how to verify the system's operational status by checking alarms.

Chapter 4 Commissioning

Readiness to Test Checklist

Lists all checks that must be completed before performing commissioning tests.

Commissioning Tests

Outlines operational tests to verify correct installation and configuration.

Chapter 5 Maintenance and Troubleshooting

Responding to SSU-2000 Alarms

Explains how to interpret and manage system alarms for troubleshooting.

Corrective Maintenance

Describes procedures for replacing field replaceable units (FRUs).

Troubleshooting

Provides guidance on diagnosing and resolving common system faults.

Chapter 6 Clock Module Reference Data

Stratum 2E Clock Module

Provides reference information for the Stratum 2E Clock module.

Stratum 3E Clock Module

Provides reference information for the Stratum 3E Clock module.

Communications Module

Provides reference information for the Communications module.

Chapter 7 Input Module Reference Data

1-Port and 3-Port E1 Input Modules

Describes the E1 Input modules and their functionality.

1-Port and 3-Port DS1 Input Modules

Describes the DS1 Input modules and their functionality.

GPS Input Module

Details the GPS Input module's function, configuration, and specifications.

Input Adapter Panels

Lists and describes various input adapter panels for signal connectivity.

Chapter 8 Output Module Reference Data

E1 Output Module

Provides reference data for the E1 Output module.

DS1 Output Module

Provides reference data for the DS1 Output module.

Composite Clock Output Module

Provides reference data for the Composite Clock Output module.

RS-422 Output Module

Details the RS-422 Output module's functionality and specifications.

Line Retiming Unit (LRU)

Provides information on the installation and operation of the DS1 Line Retiming Unit.

Chapter 9 Hardware Configuration Guide

Configuring a Conventional SSU/TSG System

Describes how to configure the SSU-2000 for time synchronization generation.

Configuring a Primary Reference Source (PRS) System

Explains the setup for SSU-2000 as a PRS for network timing.

Configuring a Monitor-Only System

Details the configuration for using the SSU-2000 solely for monitoring input signals.

Configuring a Subtending SSU

Describes how to configure the SSU-2000 for remote phase synchronization.

Appendix A Alarms and Events

Alarm Messages

Describes the types of alarms and their corresponding corrective actions.

Event Messages

Lists and describes the various events generated by the SSU-2000 system.

Appendix B Communications Protocol

SSU-2000 Control Languages

Summarizes the languages used for controlling the SSU-2000.

TL1 Command Interface

Provides detailed information on TL1 commands, conventions, and responses.

Interactive Command Set

Describes ICS command conventions, prompts, and syntax.

NTP Support

Explains the Network Time Protocol functionality and configuration.

SNMP Protocol

Details the SNMP versions supported and their configuration.

Appendix C Antennas

Ordering Information

Provides contact details and procedures for ordering accessories.

Antenna Kits and Accessories

Lists and describes various antenna kits and associated part numbers.

Installing Antennas

Provides procedures for installing GPS antennas and related components.

Appendix D Connector Pinouts

Signal Names and Definitions

Explains the signals and connectors on the SSU-2000 rear panel.

Power and Ground

Details the power and ground connections and pinouts.

Communication Interfaces

Describes the communication interfaces and their pinouts.

Alarm Contact Closures

Describes the alarm closure connectors and their signal names.

Appendix E Default Settings

Communications Module Default Settings

Lists settings and factory defaults for the SSU-2000 Communications Module.

Stratum 2E and 3E Clock Module Default Settings

Lists settings and factory defaults for the Clock module.

DS1 and E1 Input Module Default Settings

Lists factory default settings and ranges for DS1 and E1 Input modules.

GPS Input Module Default Settings

Provides configuration settings for the GPS Input Module.

DS1 and E1 Output Module Default Settings

Lists settings and factory defaults for DS1 and E1 Output modules.

2048 kHz Output Module Default Settings

Lists configuration settings for the 2048 kHz Output Module.

E1/2048 kHz Output Module Default Settings

Lists factory default settings and ranges for E1/2048 kHz Output modules.

Composite Clock Output Module Default Settings

Lists configuration settings for the Composite Clock Output Module.

RS-422 Output Module Default Settings

Lists factory default settings and ranges for RS-422 Output modules.

Priority Quality Level (PQL) Table Default Settings

Provides configuration settings for the PQL table.

Appendix F Specifications

SSU-2000 Shelf Specifications

Details general specifications and operating conditions for the SSU-2000 shelf.

SDU-2000 Shelf Specifications

Lists system-level specifications for the SDU-2000 expansion shelf.

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