
API frames
Socket Receive From: IPv4 - 0xCE
Digi XBee® 3 Cellular LTE-M/NB-IoT Global Smart Modem User Guide
287
Socket Receive From: IPv4 - 0xCE
Description
The XBee cellular modem uses this frame when it receives RF data on the specified socket. This frame
is sent only for UDP sockets that have not used a
frame to connect, providing
addressing information about the source.
Format
The following table provides the contents of the frame. For details on frame structure, see
Field name
Field value Data type
Description
Frame type
0xCE
Byte
Frame ID
Byte
Optional: This field allows for
solicited reads to be in the future.
Socket ID
Byte
ID of the socket that the data has
been received on.
Source address
32-bit big endian
Source port
16-bit big endian
Status
Byte bit-field
Reserved
Payload
Variable
Data to be transferred to the
destination, up to 1500 bytes.