AT commands Serial interfacing commands
Digi XBee3 Cellular LTE-M/NB-IoT Global Smart Modem User Guide
173
Default
0x00
SB (Stop Bits)
Sets or displays the number of stop bits for UART communications.
Parameter range
0 - 1
Parameter Configuration
0 One stop bit
1 Two stop bits
Default
0
RO (Packetization Timeout)
Set or read the number of character times of inter-character silence required before transmission
begins when operating in Transparent mode.
RF transmission also starts after 100 bytes (maximum packet size) are received in the DI buffer.
Set RO to 0 to transmit characters as they arrive instead of buffering them into one RF packet.
Parameter range
0 - 0xFF (x character times)
Default
3
TD (Text Delimiter)
The ASCII character used as a text delimiter for Transparent mode. When you select a character,
information received over the serial port in Transparent mode is not transmitted until that character
is received. To use a carriage return, set to 0xD. Set to zero to disable text delimiter checking.
Parameter range
0 - 0xFF
Default
0x0
FT (Flow Control Threshold)
Set or display the flow control threshold.
The device de-asserts CTS when FT bytes are in the UART receive buffer.
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