Teltonika RUT955 User Manual page 132

RUT955 User's Manual
Field name Possible values
1. Direct Hostname/IP address:port
connect
2. TCP port 0 – 65535
This is the AT command set used in Modem mode of the serial interfaces:
Command Description
A Answer incoming call
D Dial a number
E Local echo
H Hang up current call
O Return to data mode
Z Reset to default configuration
9.6.3.4 Modbus gateway
The Modbus gateway Serial type allows redirecting TCP data coming to a specified port to RTU specified by the
Slave ID. The Slave ID can be specified by the user or be obtained directly from the Modbus header.
Field name
1. Listening IP
2. Port
3. Slave ID
configuration type
4. Slave ID /
Permitted slave IDs
Teltonika Solutions
Explanation
Maintain a constant connection to specified host. Leave empty to use
an ATD command to initiate the connection.
The port number used to listen for incoming connections. Leave it
empty to disable incoming connections
Possible values
Any IP address
0 – 65535
User defined /
Obtained from TCP
Any integer number /
Any few integer
numbers or ranges of
numbers
Usage
To answer incoming connection: ATA
To initiate data connection: ATD <host>:<port>
To enter data mode with Direct connect settings: ATD
Turn local echo on: ATE1; Turn local echo off: ATE0
To end data connection: ATH
To return to data mode from command mode: ATO
To reset the modem to default configuration: ATZ
Explanation
IP address on which the Modbus gateway will wait for incoming
connections
The port number used to listen for incoming connections
There are two options available for this parameter:
User defined - redirects all data to the specified Slave ID
Obtain from TCP - redirects data to slave IDs from the Modbus TCP
This field's name and possible values change according to the
selected Slave ID configuration type:
Slave ID - ID of the slave device connected to the router
Permitted slave IDs - allows specifying the list of permitted slave IDs
for redirecting of the Modbus TCP data. Individual values can be
separated using commas (','), the range can be specified using
hyphens ('-'), e.g., 1, 2, 4-6. Slave IDs not listed here are ignored
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