Chapter 3: Operation
98-148232-E Local or remote control 23
Local or remote control
The EXPLORER 540 can be controlled both locally using the LAN interface and from a remote
location over the BGAN network or optionally the cellular network. For M2M operation, remote
control is essential, since the EXPLORER 540 is most likely installed in a remote location where
local human access is rare and maybe difficult.
Note that different levels of access control apply to different means of access. See Security
setup on page 34.
You have the following options:
Local control:
• web interface: Connect a computer to the LAN interface and use a browser to access the
built-in web interface. See Configuration with web interface on page 47.
• AT-commands: Connect equipment capable of issuing AT commands to the
EXPLORER 540 (e.g. in an M2M application) or connect a computer to the LAN interface
and use a terminal program to send commands to the EXPLORER 540. See To access the
terminal using AT commands on page 24.
Remote control:
• SMS commands: You can use SMS commands e.g. to start and stop your data connection
and send and receive AT commands to and from the terminal. See Remote access with
SMS on page 25.
• AT commands: When a data connection is established you can control the EXPLORER 540
with AT commands over the BGAN satellite network or optionally the cellular network. See
To access the terminal from a remote location on page 25 and To access the terminal
using AT commands on page 24.
• web interface: When a data connection is established you can control the EXPLORER 540
over the BGAN satellite network or optionally over a cellular network by accessing the
built-in web interface. See Remote access to the web interface on page 31.
• The distributors may have their own Graphical User Interface, which could be built on e.g.
Inmarsat's M2M API or similar. Contact your distributor for information.
The SMS commands will always use the BGAN connection, even if the terminal is
in Cellular modem preferred mode.
If the terminal is in Cellular modem preferred mode you cannot start and stop
data connections.
In Cellular modem preferred mode you cannot use the context management AT
commands.
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