DAVIS Wireless Repeaters for VP2 Instrukcja Użytkownika Strona 1

Rev A 7/28/06 25 - 1 INSTALLING REPEATER NETWORKS Application Note 25 for Vantage Pro2™ systems INTRODUCTION This document outlines the proces

25 - 10 Rev A 7/28/06 The following table covers the shorter ranges where a standard repeater should be sufficient. Standard Minimum Repeater Re

Rev A 7/28/06 25 - 11 The 7660 Yagi antenna has much greater performance in one direction, at the sacrifice of all other directions. Its transmiss

25 - 12 Rev A 7/28/06 Determine whether you can use all Yagi antennas in your network. If any of the situations below apply, you may use table on

Rev A 7/28/06 25 - 13 You may need to use high-gain Omni antennas at one end of your transmission chain(s): • If your weather stations are spread

25 - 14 Rev A 7/28/06 The legend below describes the antenna types and how they are represented in the sample antenna configuration: The first sym

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25 - 16 Rev A 7/28/06 PLANNING WHERE TO PLACE REPEATERS You should position your repeaters within a chain at equal distances apart unless you have

Rev A 7/28/06 25 - 17 to take the ground into account, and to a lesser extent, minor obstructions in the transmission path. Assuming there are no

25 - 18 Rev A 7/28/06 First, power up and test just the weather station(s) and receiver(s) in your living room, garage or office before placing the

Rev A 7/28/06 25 - 19 However, if your background noise value is 10 or higher, force a resynch on the console and move the repeater gradually close

25 - 2 Rev A 7/28/06 WIRELESS THEORY OF OPERATION In any weather station setup, there are two types of wireless equipment: transmitters and re

25 - 20 Rev A 7/28/06 Consult the wireless repeater manual troubleshooting section to determine the problem and course of action.

Rev A 7/28/06 25 - 3 USING ONE REPEATER WITH ONE TRANSMITTER All repeaters have an ID that is indicated by a letter (A through H) and the ability

25 - 4 Rev A 7/28/06 Information is added to the packets that a repeater transmits, (i.e., that this packet came from Repeater A), so that rece

Rev A 7/28/06 25 - 5 USING ONE REPEATER WITH MULTIPLE TRANSMITTERS More than one transmitter can be repeated. Select additional transmitter ID’s

25 - 6 Rev A 7/28/06 Additionally, Repeater B will only acquire data packets being re-transmitted by Repeat

Rev A 7/28/06 25 - 7 REPEATER TYPE AND ACCESSORY NEEDS This section will help you determine what types and quantity of repeaters, if any, you

25 - 8 Rev A 7/28/06 multiple receiving locations. If you need multiple chains in your repeater network and want to use less than 8 repeaters, you

Rev A 7/28/06 25 - 9 Overcoming Major Obstructions Whether you go over or around an obstruction, you should choose whichever is the shortest dista