User's 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.
- LAN LEDs
- 3. RF Errors
- 4. Step-by-Step Troubleshooting
- 5. Installing/Troubleshooting the TRACER Hardware
TRACER 6000 Series Integrated System Manual Section 2 Microwave Path Engineering Basics
612806420L1-1D Copyright © 2005 ADTRAN, Inc. 27
7. OTHER CONSIDERATIONS
Path Availability
The path availability of a wireless link is a metric that expresses the fractional amount of time a link is
available over some fixed amount of time, and depends on several factors. Path availability is expressed as
where the parameters are
a terrain factor
b climate factor
f carrier frequency (GHz)
d path length (miles)
F fade margin (dB)
or
Table 11. Minimum Antenna Height for Given Path Lengths (km and m)
Path Length
(kilometers)
Min. Antenna Height
at 2.4 GHz
(meters)
Min. Antenna Height
at 5.8 GHz
(meters)
2 8.0 5.1
4 11.4 7.4
6 14.2 9.3
8 16.8 11.1
10 19.2 12.8
14 23.8 16.3
16 26.1 18.2
18 28.5 20.0
20 30.9 22.0
22 33.3 24.0
24 35.9 26.1
26 38.4 28.3
28 41.1 30.6
30 43.9 32.9
32 46.7 35.4
34 49.6 38.0
36 52.6 40.6
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