Sutron Corporation X-Link Operations & Maintenance Manual, Rev 1.63 5/24/2016 pg. 97
If
SMS Listening Only
is disabled
,
GPRSLink will always be connected to the
internet. It will keep a TCP/IP listening socket open on the
Listen Port.
Programs
like LinkComm, HyperTerminal, Sutron WIN, can get in touch with X-Link
immediately in order to download data, change setup, or perform any other
activity.
7.2.2.14.
Listen Port
What TCP/IP port to listen on for incoming connections. This setting is only
relevant if
Listening
is enabled and
SMS Listening Only
disabled.
7.2.2.15.
APN name
This is the service provider's APN (Access Point Name). It Is required for station
to use the internet. If this field is not set up, GPRSLink will report the error, No
Data Service.
7.2.2.16.
Modem username
See Below.
7.2.2.17.
Modem password
Some providers require that a user name and password be provided in order to
connect to the internet.
7.2.2.18.
SIM PIN
Some SIM cards are locked with a PIN. This setting holds the value to give to the
SIM when turning the modem on. A locked SIM will not work without a PIN and
GPRSLink will report Bad PIN.
7.2.2.19.
Init String
This is a set of AT commands that can be sent to modem on boot up. Separate
multiple commands with ;
7.2.3.
Iridium Settings
7.2.3.1.
Listening
If Listening is enabled, IRIDIUMLink keeps the communication device powered
on all the time. This will allow the immediate reception of any messages sent to
IRIDIUMLink. However, it will also increase the power usage. If disabled,
messages get checked every time a scheduled transmission is made.
7.2.3.1.
Local Time Offset
The Iridium satellite system provides IRIDIUMLink with the correct time. That
time is UTC. The
Local Time Offset
may be used to change the station's clock to a
different time zone.
