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Brandywine Portable Timing Unit User Manual

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MANUAL&P/N&900000118&REV&D&
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User&Guide&
Portable&Timing&Unit&
Model&PTU&
P/N&001-5XXX&
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Revision&D&
November&2018&
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Brandywine&Communications&
1153&Warner&Ave.&
Tustin,&CA&92780&
(714)&755&1050&
(714)&755&0175&
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http://www.brandywinecomm.com&

Table of Contents

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Brandywine Portable Timing Unit Specifications

General IconGeneral
BrandBrandywine
ModelPortable Timing Unit
CategoryData Loggers
LanguageEnglish

Summary

Introduction to the Portable Timing Unit

Reference Input Sources

Details on the various timing sources the PTU can synchronize to, including GPS, IRIG B, and HaveQuick.

Time Keeping Mechanisms

Explanation of the PTU's internal oscillator and its role in maintaining accurate time.

Network Interface Capabilities

Overview of the Ethernet interface for monitoring, updates, and NTP synchronization.

Output Signal Types

Description of the timing signal outputs provided by the PTU, such as 1PPS, Have Quick, IRIG B, and NTP.

Technical Specifications of the PTU

Internal Battery Backup and Runtime

Information on the PTU's internal 7Ah battery, its charge monitoring, and typical operating life.

Time Display and Controls

Details about the 11-digit time display and front panel controls for illumination.

Weatherproof Enclosure Design

Description of the PTU's rugged, weatherproof enclosure suitable for outdoor use.

Rear Panel Connections Overview

Getting Started with the PTU

Powering Up the PTU Unit

Procedure for powering the Portable Timing Unit (PTU) via AC or DC power and battery charging.

Network and Reference Configuration

Steps for setting the PTU's network address, discovering IP, and configuring GPS reference inputs.

Inputting Other Reference Signals

Instructions for connecting HaveQuick, IRIG B, and 1PPS signals as synchronization references.

Output Signals and Panel Indications

Details on configuring output timing signals and understanding front panel LEDs and displays.

Battery Management and Operation

Information on battery charging, discharging, and low battery warnings.

PTU Web Interface Operations

Accessing the Web Interface

Steps to connect to and access the PTU's web-based management interface using its IP address.

Navigating PTU Functions

How to use the MENU button to access different functions and features of the PTU management page.

Viewing System Status Information

How to check current output time, UTC time, system state, alarms, and battery status via the web interface.

Changing PTU Settings

Reference and GPS Input Configuration

Procedure for selecting the input reference source and configuring GPS modes for the PTU.

Output Signal and Timezone Settings

Adjusting output timecode format, 1PPS settings, timezone, and daylight saving time.

Network, Location, and SNMP Configuration

Modifying IP address, SNMP settings, and the unit's physical location within the facility.

Display Brightness and Access Password

Changing front panel display brightness and updating the PTU's access username and password.

Troubleshooting Common PTU Issues

Power and Satellite Acquisition Problems

Solutions for units not powering up or failing to acquire satellite signals.

Time Synchronization and Battery Issues

Guidance for resolving issues with time valid indicators and batteries not holding charge.

Fault Indicators and Alarm Checks

Steps to diagnose problems when the red fault light is on, including checking alarm lists.

Support and Warranty Information

Front Panel Description

Rear Panel Description