Benutzerhandbuch für Adtran TRC4108

Inhaltsverzeichnis

• Table of Contents

  9
• System Description

  11
  • 1. System Overview

    12
  • 2. Features and Benefits

    12
    • Configuration and Management

      12
    • Operational

      12
• Microwave Path Engineering Basics

  13
  • 1. Line-of-Site

    15
    • Terminology

      15
  • 2. Decibels

    15
  • 3. Calculating the Fade Margin

    15
  • 4. Receiver Power

    16
    • Antenna Gain

      17
    • Transmitted Power (PT)

      17
    • Carrier Wavelength (l)

      18
    • Path Distance (d)

      18
    • System Losses (L)

      18
    • Path Loss (LP)

      19
  • 5. Receiver Sensitivity

    20
  • 6. Antenna Information

    21
    • Antenna Alignment

      21
    • TRACER RSSI Test Points

      21
    • Antenna Beam Patterns

      21
    • Fresnel Zones, Earth Curvature, & Antenna Heights

      22
  • 7. Other Considerations

    23
    • Path Availability

      23
• Engineering Guidelines

  25
  • 1. Equipment Dimensions

    26
  • 2. Power Requirements

    26
  • 3. Reviewing the Front Panel Design

    26
    • RSSI Monitoring Interface

      26
    • TX PWR Monitoring Interface

      26
    • Front Panel LEDs

      27
  • 4. Reviewing the TRACER 4108/4208 Rear Panel Design

    28
    • RS-232 Connection (DB-25) — Terminal Use

      28
    • RS-232 Connection (Modem Use)

      30
    • T1 Connections (RJ-48C)

      31
    • Alarm Contacts (Plug-In Terminal Block)

      31
    • DC Power Connection (Plug-In Terminal Block)

      31
    • Fuse

      32
    • Antenna Interface (N-Type connector)

      32
  • 5. At-A-Glance Specifications

    32
• Network Turnup Procedure

  35
  • 1. Introduction

    36
  • 2. Tools Required

    36
  • 3. Unpack and Inspect the System

    36
    • Contents of ADTRAN Shipment

      36
    • Customer Provides

      36
  • 4. Channel Selection

    37
  • 5. Grounding Instructions

    38
  • 6. Supplying Power to the Unit

    39
  • 7. Mounting Options

    39
  • 8. Connecting the T1 Interface

    39
• User Interface Guide

  41
  • 1. Navigating the Terminal Menu

    42
    • Terminal Menu Window

      42
    • Navigating using the Keyboard Keys

      43
  • 2. Terminal Menu and System Control

    43
    • Password Protection

      43
  • 3. Menu Descriptions

    44
    • >TRACER System Status

      44
    • >Main Menu

      46
    • >TRACER System Options

      47
    • >TRACER Link Performance History

      50
    • > T1x Status/Configuration/Loopback

      51
    • >T1x Performance History

      53
• Troubleshooting Guide

  55
  • 1. Overview

    56
  • 2. LED Indicators

    56
    • PWR LED

      56
    • TST LED

      56
    • RF DOWN LED

      56
    • RF LOW LED

      57
    • T1 Interface Alarm LEDs

      57
  • 3. RF Errors

    58
  • 4. Step-by-Step Troubleshooting

    58
  • 5. Installing/Troubleshooting the TRACER Hardware

    58
    • Installing/Configuring T1 Hardware

      60