Connect To A Tcp/Ip Address; Debugging - Digi XBee 3 Cellular LTE-M User Manual

XBee connection examples

Connect to a TCP/IP address

The XBee Smart Modem can send and receive TCP messages while in Transparent mode; see
Transparent operating
Note You can use this example as a template for sending and receiving data to or from any
TCP/IP server.
Note For help with debugging, see Debugging.
The following table explains the AT commands that you use in this example.
Command Value
IP (IP
1
Protocol)
DL
<Target
(Destination
IP address>
IP Address)
DE
<Target
(Destination
port number>
Port)
To connect to a TCP/IP address:
1. Ensure that the device is set up correctly with the SIM card installed and the antennas
connected as described in
2. Open XCTU and
3. Click the Configuration working mode
4. Select a device from the Radio Modules list. XCTU displays the current firmware settings for
that device.
5. In the IP field, select 1 and click the Write button
6. In the DL field, type the <target IP address> and click the Write button. The target IP address
is the IP address that you send and receive from.
7. In the DE field, type the <target port number>, converted to hexadecimal, and click the Write
button.
8. Exit Command
After exiting Command mode, any UART data sent to the device is sent to the destination IP address
and port number after the

Debugging

If you experience problems with the settings in the examples, you can load the default settings in
XCTU.
Digi XBee® 3 Cellular LTE-M/NB-IoT Global Smart Modem User Guide
mode.
Description
Set the expected transmission mode to TCP communication.
The target IP address that you send and receive from. For
example, a data logging server's IP address that you want to send
measurements to.
The target port number that the device sends the transmission to.
This is represented as a hexadecimal value.
Connect the hardware.
Add a device to XCTU.
mode.
RO (Packetization Timeout)
Connect to a TCP/IP address
button.
.
occurs.
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