Data Logger blueberry COMPACT
Wilmers Messtechnik GmbH
- 24 -
Data Logger blueberry COMPACT
Wilmers Messtechnik GmbH
- 25 -
Internet Integration
The
blueberry COMPACT
is integrated into the In-
ternet by means of a DSL router or in remote sites
by means of the
blueberry GSM Module
. The
GSM
Module
offers remote data transmission and real-
time access via cellular phone networks (900 MHz,
1800 MHz and 1900 MHz). Two operation modes are
available:
In
GSM mode
, the data logger is called from a PC by
means of a telephone modem, similar to the dial-in
connection to an Internet provider. This mode of-
fers direct access to the web server of the
blueberry
COMPACT
. In GSM mode, the telephone costs depend
on the connection time.
The
GPRS mode
offers full integration of the
blue-
berry COMPACT
into the Internet. The data logger
connects itself automatically to the Internet provid-
ing realtime access from any Internet access point.
Two password levels protect the data logger against
unauthorized access. As GPRS does not use fixed IP
addresses a dynamic DNS server (e.g., dyndns.org)
manages the dynamic IP address. It provides access
via a named URL. The name of the server used by the
blueberry COMPACT
to access the Internet is called
Access Point Name (
APN
). Private APNs provide
outgoing data transmission from the data logger to
the Internet, e.g., via FTP or e-mail. However, they
block access from outside into the data logger. Pub-
lic APNs provide both access types. Dynamic DNS
requires a public APN! Please make sure that your
GSM provider offers a
public APN
. Public APNs are
offered among others by T-Mobile (Germany), TIM
(Italy), Telenor (Norway, Sweden), WARID (Paki-
stan). In GPRS mode, the telephone costs depend
on the volume of transmitted data.
Please prepare the following information for the
GSM/GPRS setup of the
blueberry COMPACT
:
1. The data number of the SIM card. Please make
sure that you are really using the data number.
Usually, SIM cards have separate numbers for
voice, fax and asynchronous data transmission.
We recommend to use SIM cards without voice
function. Pure data cards are cheaper than voice
cards.
2. The PIN of the SIM card. You must disable the PIN
request before use because the
blueberry COM-
PACT
is not able to enter the PIN. Please insert
the SIM card into your mobile phone, enter the
PIN and disable the PIN request.
3. The APN. Please make sure that you have got a
public APN.
GPRS Connection
Select
Setup > GPRS
to setup a GPRS connection.
Select
yes
at
Activate GPRS
and enter the APN and
optionally the user name and password at
GPRS In-
ternet Connection
. Please ask your GSM provider for
these data. A list of international APNs is available
in the Internet at
http://www.quickim.com/support/gprs-
settings.html
.
When the
blueberry COMPACT
operates in GPRS
mode it will switch to GSM mode every day between
20:00 and 21:00. During this time the data logger is
accessible via dial-in connection.
Please enter the host name of the data logger in
section
Dynamic DNS Service
. Please enter the ac-
cess code to your
dyndns.org
account in the fields
Username
and
Password
. The host name must
be registered at
http://www.dyndns.org
before.
Please refer to the following chapter for further
details.
Click
OK
to save the settings.
Summary of Contents for blueberry COMPACT
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