DATA LOGGER MANUAL
Manufacturers of low power instruments
page 33
Modem Settings
This section allows the user to setup the communication with the 2G/3G network, according to the
settings, received from the service provider. Please consult your service provider for the right setting,
before consulting your YDOC dealer.
Provider Selection
This is an automated procedure which gives the user the overview of networks in the vicinity of the
logger. Information about the provider and it’s 2G or 3G capabilities are shown. The user can select his
network of interest, or, he can set the device to automatic.
The use of this feature is, to let the user decide which network he will use, or automate that for him.
In cases where the logger is situated near a foreign border, it is very important to make sure that the
logger won’t use the foreign network. Very often there are high costs concerned with the use of
a foreign network. In these cases it is best to manually select your internet network provider
(ISP). It will save you a lot of costs.
All providers that are within reception area are shown, and the user can select his network of preference.
The Fallback option 3G->2G is very good in areas where both are available but not that strong.
Access Point Name (APN)
Name of the access point that your provider has defined, consult your provider for this setting
Sometimes (when authentication is enabled) a username/password is required, else leave blank. Also
consult your ISP for this.
APN Authentication
The protocol, used for authentication. The user can select PAP or CHAP. Please consult your ISP for the
right setting. (PAP uses no encryption for the authentication and CHAP uses improved security, by using
Hash algorithms.
Network signal test
This is no setting, but a test to check network reception. It is very convenient to check your network
reception at the installation site. A logger, which is configured at the office may NOT be working fine at
the installation site. So, test this first, and make sure that the reception is sufficient. (1 bar absolute
minimum, 3 bars is very nice)
Provider selection
AT+COPS=3,0;+COPS?
+COPS: 0,0,"NL KPN",2
AT+COPS=?
+COPS: (2,"NL KPN",,"20408",2),(2,"NL KPN",,"20408",0),(1,"T-Mobile
NL",,"20416",2),(1,"vodafone NL",,"20404",2),(1,"T-Mobile
NL",,"20416",0),(1,"vodafone NL",,
"20404",0),,(0-4),(0,2)
[0] Exit
[A] Automatic selection >> On
[1] NL KPN (3G) >> Automatic selected
[2] NL KPN (2G) >> Automatic selected
[3] T-Mobile NL (3G)
[4] vodafone NL (3G)
[5] T-Mobile NL (2G)
[6] vodafone NL (2G)
[D] Deregister network
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