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Setup guide for EZ50B and EZ500B serial RS232 RF Radios
Establishing a link
Verifying communication
Configuring the parameters
Establishing a link in a test setup
Before connecting the serial radios to your equipment we strongly recommend you to
become familiar with the radios by making a test setup. This will also verify that the radios
are correctly setup and can communicate properly.
1. To make a test setup we need to connect two EZ50B radios to a PC as shown below. In
this example, our PC has one native serial COM port for connecting one EZ50B radio so
we need to use a USB to serial adapter for connecting the second radio to the PC; so in
this example a total of three USB ports are required to make this test.
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Summary of Contents for Usconverters EZ50B
- Page 1 1. To make a test setup we need to connect two EZ50B radios to a PC as shown below. In this example, our PC has one native serial COM port for connecting one EZ50B radio so we need to use a USB to serial adapter for connecting the second radio to the PC;...
- Page 2 EZ50B. In this example we use a USB to serial RS232 adapter for connecting the EZ50B to a PC. The assigned COM port is COM 4. COM port 1 is a native COM port.
- Page 3 3. When you know which COM port number has been assigned to your USB serial adapter you can connect the 9-pin serial connector on the EZ50B to your USB serial adapter (or your computer’s COM port if you are not using a USB Serial adapter). The EZ50B needs a 5VDC power supply to work, this is provided through the USB plug.
- Page 4 4. Now connect the second EZ50B to the native COM port (or use a another USB to serial adapter if you computer does not have any native COM ports) following the same procedure as described above. Also connect the USB power wire to a USB port. Check in...
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Page 5: Verifying Communication
Verifying Communication You are now ready to verify that the two EZ50B units can communicate. Download AccessPort from www.USconverters.com . Open two instances of AccessPort, one for each COM port, in this case COM 4 and COM 1. In the menu line click Tools > Configuration and set the correct COM port numbers and settings for both instances. - Page 6 In both instances of AccessPort click Tools > Port Switch which will open the ports for the units. The COM ports to the EZ50B units are now open. If you are getting an error message saying “Cannot open port” it usually means that either: A.
- Page 7 With both ports successfully opened, in the lower window of AccessPort for the first radio enter a text string and click the “AutoSend” button. Notice: 1. The two radios must be spaced at least 5 feet apart to have reliable communication;...
- Page 8 Notice: If the transmission does not automatically start you might need to move the two EZ50B radios at least 5 feet apart from each other, or in some cases you can simply touch the antenna and the transmission will start.
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Page 9: Configuring The Parameters
Connecting with the configuration software With the EZ50B radio connected to your computer’s COM port (read above how to connect the radio using a USB serial adapter), open the Configuration Utility. If you get one or both of the error messages shown below then its probably because your computer’s COM port number does not match the COM port number the software is looking for. - Page 10 Make sure to use the new 32 channel utility only for radios purchased AFTER 05.16.2017. Below is shown the 32 channel configuration utility’s main screen, with the COM port open: Below is shown the (old) 8 channel configuration utility’s main screen, with the COM port closed.
- Page 11 Click the “COM” button to open the COM port settings. Check in Device Manager which COM port number your computer is using; in this example it is COM port 18: Click the Open button. Below is shown the main screen with the COM port open: USconverters.com...
- Page 12 Click the “Search” button to search for the radio: USconverters.com Copyright © All rights reserved...
- Page 13 Click the “Read” button to read all parameters currently stored in the radio: DO NOT CHANGE THE RADIO’s FREQUENCY. CHANGING THE FREQUENCY MAY DAMAGE THE RADIO. USconverters.com Copyright © All rights reserved...
- Page 14 The “Transmit Both Sides” and “Data transmit” tabs can be used for testing communication however we recommend using AccessPort for testing, as described earlier in this setup guide. USconverters.com Copyright © All rights reserved...
- Page 15 USconverters.com Copyright © All rights reserved...