API frames Socket Connect - 0x42
Digi XBee® 3 Cellular LTE Cat 1 AT&T Smart Modem User Guide
270
Socket Connect - 0x42
Description
Use this frame to connect a socket to the given address and port.
For a UDP socket, this filters out any received responses that are not from the specified remote
address and port.
Two frames occur in response:
1. Socket Connect Response frame: Arrives immediately and confirms the request.
2. Socket Status frame: Indicates if the connection was successful.
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 0x42 Byte
Frame ID Byte A reference identifier used to match status
responses. If set to 0, the device does not
send a response.
Socket ID Byte ID of the socket to connect.
Destination
port
16-bit big endian
Destination
address type
Byte
0: Indicates the destination address field is
a binary IPv4 address in network byte
order.
1: Indicates the destination address field is
a string containing either a dotted quad
value or a domain name to be resolved.
Destination
address
Variable