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RFDesign RFD900 Series, User Manual

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RFDesign RFD900 Series User Manual Download Page 13

RFD900x Data Sheet

 

www.rfdesign.com.au

 

 

 

13 

 

Last update 09/07/2018

 

 
 

5

 

FAQ

 

5.1

 

How many antennas do I need to use?

 

One is the minimum. Two is recommended best configured at right angles to each other.

 

5.2

 

How do I connect the FTDI cable to the modem?

 

The black cable of the FTDI (pin 1) should connect to pin 1 on the modem as shown in Figure 6-2.

 

 

Figure 6-2: An FTDI cable connected to the RFD900x modem

 

5.3

 

What  do  I  need  to  upload  the  firmware  or  to  change  the  modem 
configuration?

 

Download the latest firmware (see “Useful Links”). Download the RF Design Modem Tools (see “Useful 
Links”). Connect the FTDI cable to the modem and to a computer. Use the Modem Tools to upload the 
latest firmware or to change the modem configuration (see “RF Design Modem Tools User Manual”).

 

 

 

Summary of Contents for RFD900 Series

Page 1: ...www rfdesign com au Last update 09 07 2018 RFD900x Asynchronous firmware User Manual Configuration and usage guide Flash Programmer User Manual...

Page 2: ...upport 4 3 AT commands 5 3 1 Setting up data encryption 8 3 2 Setting the air data rate 8 4 Asynchronous Network 10 4 1 Forwarding 11 5 FAQ 13 5 1 How many antennas do I need to use 13 5 2 How do I co...

Page 3: ...sh it to the radio Use the latest version of the RF Design modem tools see Useful Links to update the firmware Figure 1 1 depicts an asynchronous non forwarding mesh network diagram In this configurat...

Page 4: ...is is most easily performed by using the latest version RFD Modem tools see Useful links Parameters such as power levels air data rates and serial speeds etc can all be custom set by the user using th...

Page 5: ...s the value to assign 2 Use the command AT W to save the new values to the RFD900x modem 3 Use the command ATZ to reboot the RFD900x modem for changes to take effect Table 3 1 shows a gives a list of...

Page 6: ...element x of forwarding table AT Fx Src Dst Set element x to forward from address Src to Address Dst Table 3 1 AT Commands and their description Table 3 2 shows more details about the parameters that...

Page 7: ...NODEID 2 65535 32768 1 No S12 TXPOWER Transmit power in dBm Maximum is 30dBm 10 30 0 No S13 MAVLINK1 Enables or disables the MAVLink framing and reporting 0 1 0 No S14 MIN_FREQ Min frequency in KHz 9...

Page 8: ...The encryption key may be of any 32 character hexadecimal string of the users choosing Any devices with different encryption settings will not communicate After entering command mode send the followin...

Page 9: ...rfdesign com au 9 Last update 09 07 2018 It is important to note that when using asynchronous firmware the air rate should be set to a lower value then the baud rate An example of setting the air data...

Page 10: ...patible parameters communication between them will succeed Figure 4 2 Asynchronous non hopping mesh topology Each node can only communicate to other nodes within its RF range Also it is mandatory to a...

Page 11: ...nown destination nodes This can be used to communicate without direct link between modems by passing data through an intermediate node i e 3 nodes located in a straight line all spaced at the maximum...

Page 12: ...et www rfdesign com au 12 Last update 09 07 2018 Node 3 sets node 3 destination 1 ATS11 1 AT W ATZ You can add up to ten forwarding paths to the array This would allow up to five nodes to pass data in...

Page 13: ...1 should connect to pin 1 on the modem as shown in Figure 6 2 Figure 6 2 An FTDI cable connected to the RFD900x modem 5 3 What do I need to upload the firmware or to change the modem configuration Do...

Page 14: ...aka peer to peer firmware is the standard firmware loaded on the modem based on the open source SiK development RFD Asynchronous the firmware as outlined in this datasheet RF Design Modem Tools http...

Page 15: ...u 15 Last update 09 07 2018 7 Document revision history Version Date Changes 1 22 09 17 Release document 1 1 09 07 18 Updated settings values and information for current firmware versions and added ne...

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