Transmit (Tx) Request: Ipv4 - 0X20 - Digi XBee Cellular LTE Cat 1 User Manual

Operate in API mode

Transmit (TX) Request: IPv4 - 0x20

Description
A TX Request message causes the device to transmit data in IPv4 format.
Format
The following table provides the contents of the frame. For details on frame structure, see
specifications.
Field name
Frame type
Frame ID
Destination
address
Destination port
Source port
Protocol
Transmit options
Payload
Digi XBee Cellular LTE Cat 1 Embedded Modem User Guide
Field
value Data type Description
0x20 Byte
Byte Reference identifier used to match status responses. 0
disables the TX Status frame.
32-bit big
endian
16-bit
big endian
16-bit UDP or TCP port number.
To send a UDP packet, this must match the port number of
big endian
the listening port. To send a TCP packet on a new
connection, this must be 0.
Byte 0 = UDP
1 = TCP
4 = SSL over TCP
Byte Bit 1: When set, close TCP socket immediately after transmit
bitfield success. All other bits are reserved and should be set to zero.
Variable Data to be transferred to the destination, may be up to 1500
bytes.
Frame descriptions
API frame
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