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API frames
API frame exchanges
Every outgoing API frame has a corresponding response (or ACK) frame that indicates the success or
failure of the outgoing API frame. This section details some of the common API exchanges that occur.
You can use the Frame ID field to correlate between the outgoing frames and associated responses.
Note
Using a Frame ID of 0 disables responses, which can reduce network congestion for non-critical
transmissions.
AT commands
The following image shows the API frame exchange that takes place at the UART when you send a
0x08 AT Command Request or 0x09 AT Command-Queue Request to read or set a device parameter.
To disable the 0x88 AT Command Response, set the frame ID to 0 in the request.
Transmit and Receive RF data
The following image shows the API exchanges that take place on the serial interface when a device
sends a 0x10, or 0x11 Transmit Request to another device.
Use the AP command to choose the type of data frame you want to receive, either a (0x90) RX
Indicator frame or a (0x91) Explicit Rx Indicator frame.
Remote AT commands
The following image shows the API frame exchanges that take place on the serial interface when you
send a 0x17 Remote AT Command frame The 0x97 Remote AT Command Response is always
XBee®/XBee-PRO XTend Compatible (XTC) DigiMesh RF Module User Guide
API frame exchanges
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