User Manual
Table Of Contents
- Table of Contents
- System Description
- Microwave Path Engineering Basics
- Engineering Guidelines
- Network Turnup Procedure
- User Interface Guide
- 1. Navigating the Terminal Menu
- 2. Menu and System Control
- 3. Menu Descriptions
- > System Status
- > Main Menu
- > System Configuration
- > RF Link Configuration
- > RF Link Performance History (Main Screen)
- > RF Link Error History
- > RF Link Max/Min Received Power History
- > RF Link Min/Max Received Signal Quality History
- > Datapath Provisioning
- > 4xE1 Module Configuration/Status/History (Main Screen)
- > E1x Status/Configuration/Loopback
- > E1x Performance History
- > T1 Module Configuration/Status/History (Main Screen)
- > T1x Status/Configuration/Loopback
- > Ethernet Switch Module Configuration/Status/History (Main Screen)
- > Ethernet Switch Configuration
- > Ethernet Switch Status
- > Management/Utilities (Main Screen)
- > Ping Utility
- > Firmware Upgrade Utility
- > RF Link Management Bridge Configuration
- > System Alarms
- Detail Level Procedures
- MIBs
- Troubleshooting Guide
- 1. Overview
- 2. LED Indicators
- PWR LED
- TST LED
- RF DWN LED
- RF LOW LED
- T1 Interface Alarms
- E1 Interface Alarms
- 1. Display the E1(x) Status screen and check the E1(x) Interface Alarm field to identify the active alarm.
- 1. Verify that the E1 cable is connected to the E1 interface on the TRACER 64x0.
- 2. Verify the connections at the opposite end of the E1 cable.
- 3. Verify that the framing mode (framed, multiframed, or unframed) is the same for both the TRACER 64x0 and the E1 equipment.
- 2. Verify the cable connections for the E1 interface are solid.
- 2. Verify the cable connections for the E1 interface are solid.
- System Alarms
- LAN LEDs
- 3. RF Errors
- 4. Step-by-Step Troubleshooting
- 5. Installing/Troubleshooting the TRACER Hardware
612806420L1-1E Copyright © 2005 ADTRAN, Inc. 15
MICROWAVE PATH ENGINEERING BASICS
Explains the basics of analyzing a wireless microwave link or path. Defines significant parameters and
makes several installation recommendations.
CONTENTS
Line-of-Sight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Decibels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Calculating the Fade Margin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Receiver Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Antenna Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Transmitted Power (PT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Carrier Wavelength (l). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Path Distance (d) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
System Losses (L) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Path Loss (LP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Receiver Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Antenna Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Antenna Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
TRACER RSSI Test Points. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Real-time Signal Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Antenna Beam Patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Fresnel Zones, Earth Curvature, and Antenna Heights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Other Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Path Availability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
FIGURES
Figure 1. Example Microwave Path with Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 2. Typical Antenna Beam Pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
TABLES
Table 1. Antenna Gain for Given Dish Diameters with k = 0.55 (Standard) . . . . . . . . . . . . . . . . . 19
Table 2. Antenna Gain for Given Dish Diameters with k = 0.55 (Metric) . . . . . . . . . . . . . . . . . . . 19
Table 3. Antenna Gain for Given Dish Diameters with k = 0.40 (Standard) . . . . . . . . . . . . . . . . . 19
Table 4. Antenna Gain for Given Dish Diameters with k = 0.40 (Metric) . . . . . . . . . . . . . . . . . . . 19
Table 5. Transmit Power Reduction for Various Antennae Gains . . . . . . . . . . . . . . . . . . . . . . . . . 20
Table 6. Typical Coaxial Loss for Common Cable Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Table 7. Path Loss for Given Path Lengths (miles) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Table 8. Path Loss for Given Path Lengths (kilometers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Table 9. Receiver Sensitivity for the TRACER 64x0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Table 10. Minimum Antenna Height for Given Path Lengths (miles and ft) . . . . . . . . . . . . . . . . . . 26
Table 11. Minimum Antenna Height for Given Path Lengths (km and m) . . . . . . . . . . . . . . . . . . . . 27