Digi XBee 3 Cellular LTE-M, User Manual, Page: 274 / 331

API frames Socket Create Response - 0xC0
Digi XBee® 3 Cellular LTE-M/NB-IoT Global Smart Modem User Guide 274
Socket Create Response - 0xC0
Description
The device sends this frame in response to a Socket Create (0x40) frame. It contains a socket ID that
should be used for future transactions with the socket and a status field.
If the status field is non-zero, which indicates an error, the socket ID will be set to 0xFF and the socket
will not be opened.
Format
The following table provides the contents of the frame. For details on frame structure, see API frame
format .
Field name
Field
value Data
type
Description
Frame type 0xC0 Byte
Frame ID Byte A reference identifier used to match status
responses.
Socket ID Byte A unique socket ID to address the socket. This field
is 0xFF if the value in the status field is non-zero.
Status Byte Status code. See table below.
The following table shows the status codes.
Code Description
0x0 Successful open
0x22 Not registered to cell network
0x31 Internal error
0x32
Resource error: retry the operation later
See
Socket limits in API mode .
0x7B
Invalid protocol
0x7E A modem update is in process. Try again after its completion.
0x85 Unknown error
0x86 Invalid TLS configuration