Telit Wireless Solutions WE866E4-P - Mqtt; MQTT Connect

WE866E4-P AT Commands Reference Guide
80572ST10887A Rev. 0.0 108 2018-02-16
PRELIMINAR
Y
9.4 MQTT
9.4.1 MQTT Connect
This command is used to make MQTT connection with MQTT broker. Prior to issuing this
command, user is required to establish L2 and L3 connection.
Command Syntax AT+NMQTTCONNECT=<Host>,[<Port>],<Client ID>,[<User
Name>,<Password>,<Keep Alive>,<Time Out>,<SSL>,<Certificate>]
Parameter Description
Table 227, page 108, describes the MQTT Connect parameters.
Table 227 MQTT Connect Parameters
Parameters Mandatory/Optional Value Description
Host Mandatory
Value range:0-256
Format: String
Default value:
N/A
It specifies the fully qualified domain
name of the server (MQTT Broker).
Port Optional
Value range:
1024-65536
Format: Integer
Default value:
1883
It specifies the port number of the server to
which the MQTT client opens the
connection. The client can indicate the port
when the server is running on a
non-standard port.
Client ID Mandatory
Value range:
1-256
Format: String
Default value:
N/A
It specifies the client connecting to the
server with a unique Client Identifier.
It is a user defined string with ASCII
characters.
Example: QC4020_001122.
User Name Optional
Value range:
1-256
Format: String
Default value:
N/A
It specifies the user name if required by the
MQTT Broker.
Password Optional
Value range: 1-64
Format: String
Default value:
N/A
It specifies the password if required by the
MQTT Broker and is valid only if the user
name is provided.
Keep Alive Optional
Value range:
0-180
Format: Integer
Default value: 60
It specifies the MQTT Keep alive time out
that will be sent to MQTT Broker.