Digi TX40 User Manual page 749

Services
a. Click Services > MQTT broker
b. The MQTT broker is disabled by default. Click to toggle on Enable.
c. Configure ITxPT:
i. Click to expand ITxPT.
ii. Click Enable to enable the device to include MQTT messages with ITxPT support.
iii. For Priority, type or select the priority for MQTT messages. A lower number
represents higher priority. The default is 0.
iv. For Weight, type or select the relative weight for records with same priority. A higher
number means that records from this service are more preferred. The default is 0.
See Use the MQTT broker service
12. Click Apply to save the configuration and apply the change.

Command line
1. Select the device in Remote Manager and click Actions > Open Console, or log into the TX40
local command line as a user with full Admin access rights.
Depending on your device configuration, you may be presented with an Access selection
menu. Type admin to access the Admin CLI.
2. At the command line, type config to enter configuration mode:
> config
(config)>
3. Enable the ITxPT service:
(config)> service itxpt enable true
(config)>
4. Set the priority for this ITxPT service. A lower number represents higher priority.
(config)> service itxpt priority int
(config)>
The default is 0.
5. Set the relative weight for records with same priority. A higher number means that records
from this service are more preferred.
(config)> service itxpt weight int
(config)>
The default is 0.
6. (Optional) Set an identifier that will be used to avoid naming conflicts.
(config)> service itxpt unique_id value
(config)>
7. Enable Service Discovery (mDNS)
Service Discovery (mDNS) must be enabled for ITxPT support. It is enabled by default. Follow
this procedure to enable it if has been disabled.
TX40 User Guide
Information Technology for Public Transport (ITxPT) support
for more information about MQTT support.
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