Reference Manual
Table Of Contents
- Preface
- 1. Overview
- Untitled
- 2. Equipment
- 3. Installation
- 4. Basic Radio Programming and Setup
- 4.1. Define the Network Type and the Radio's Role in that Network
- 4.2. Establish Communication with Instrumentation and Computers
- 4.3. Establishing Communication with Other Radios in the Network
- 4.4. Set the Data Transmission Characteristics
- 4.5. Set Radio Passwords
- 4.6. Set the Hop Table Size in the Terminal Interface
- 4.7. Set the Radio to a Single Channel in a Terminal Emulator
- 4.8. Set the Radio to Hop Channels
- 4.9. Edit Frequencies for Multiple Channels
- 5. Configure Point-to-MultiPoint Networks
- 5.1. Point to MultiPoint Network Characteristics
- 5.2. Point-to-MultiPoint Network Quick Start (Terminal Interface)
- 5.3. Overlapping MultiPoint Networks
- 5.4. Establishing Communication with Other Radios in a MultiPoint Network
- 5.5. Routing Communication Through the Network
- 5.6. Setting Other MultiPoint Parameters
- 5.7. Reading Diagnostics in Tool Suite
- 6. Configure Point-to-Point Networks
- 7. View Radio Statistics
- 8. Release Notes
- 9. Additional Radio Information
- Appendix A: Technical Specifications
- Appendix B: RF Board Pin-Out
- Appendix C: RS232 Pin Assignments - DB9
- Appendix D: LRS455 Frequency Table
- Appendix E: Factory Default Settings
- Appendix F: Point-to-MultiPoint Operation LEDs
- Appendix G: Point-to-Point Operation LEDs
- Appendix H: FreeWave Legal Information
- Blank Page
- Blank Page
4. Basic Radio Programming and Setup
LUM0020CD Rev June-2020 Page 45 of 112 Copyright © 2019FreeWave
This document is subject to change without notice. This document is the property of FreeWave Technologies, Inc.
and contains proprietary information owned by FreeWave. This document cannot be reproduced in whole or in
part by any means without written permission from FreeWave Technologies, Inc.
Retry Timeout
Setting Description
Description
The Retry Timeout parameter in a Slave or Repeater sets the delay the unit waits
before dropping the connection to a Master or Repeater.
l The factory default is set at the maximum of 255.
l With a setting of 255, the Master allows a Slave or Repeater to stay
connected as long as 1 packet in 255 is successfully received at the Master.
l The maximum setting means that if 1packet in 255is sent successfully
from the Master to the Slave or Repeater, the link is maintained.
l The minimum setting is 8.
l This allows a Slave or Repeater to drop a connection if less than 1 in 8
consecutive packets is successfully received from the Master.
l The Retry Timeout parameter is useful when a MultiPoint network has a
roving Master or Slave.
l As the link gets weaker, a lower setting allows a poor link to break in search
of a stronger one.
FREEWAVE Recommends: Setting the Retry Timeout parameter to 20
in the MultiPoint Master is recommended in areas where several
FreeWave networks exist.
This recommended setting allows Slaves and Repeaters to drop the
connection if the link becomes too weak, while at the same time prevent
errant disconnects due to interference from neighboring networks.
Note: While intended primarily for MultiPoint networks, the Retry Timeout
parameter may be changed in Point-to-Point networks.
However, the value in Point-to-Point mode should NOT be set to less than
151.
4.4.8. RF Data Rate
Note: In MultiPoint networks, the RF Data Rate must be identical in all radios.
Any radio with an RF Data Rate different from the Master will not establish a link.
In Point-to-Point networks the Master’s settings take precedence over the Slave.
RF Data Rate
Setting Description
Default Setting
(
5) 12.5 kHz
2 level
LRS455A-C, LRS455A-CE, LRS455-T
User-Reference Manual
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