5
3. CIM 250 GSM module
Fig. 2
CIM 250 GSM module (top side view)
3.1 Installation
3.1.1 Fitting a GSM antenna
An antenna must be connected to the CIM 250 to establish
connection to the GSM network.
External antenna
Connect the antenna cable to the SMA connection (pos. 1) of the
CIM 250. The antenna must be installed outside the control
cabinet in a position with good reception conditions.
Fig. 3
Fitting an external GSM antenna
3.1.2 Inserting the SIM card
Before inserting the SIM card into the CIM 250, remove the
PIN code, or set the PIN code to "4321".
Procedure
1. Insert the SIM card into a mobile phone.
2. Remove the PIN code from the SIM card, or set the PIN code
to "4321". See the manual of the mobile phone.
3. Insert the SIM card into the CIM 250. See fig.
.
Fig. 4
Inserting the SIM card
TM
04
26
42
12
10
Pos.
Designation
Description
1
Battery socket
2
SIM card holder
3
SMA connection for GSM antenna
4
LED1
Yellow/green status LED for
GSM/GPRS communication
5
LED2
Red/green status LED for internal
communication between the CIU 250
and MP 204
6
SW1
Reset button.
Keep the button pressed for 5 seconds
to return to default settings.
Note
Before installation, make sure that the power
supply has been switched off and that it cannot
be accidentally switched on.
Note
If the CIU 250 is installed in a metal control
cabinet, Grundfos recommends to fit an external
GSM antenna.
Grundfos offers different kinds of antennas.
No antenna is supplied with the CIU 250. It has to
be ordered separately.
1
2
3
4
5
6
TM
04 26
44 280
8
Pos.
Description
1
SMA connection for GSM antenna
2
Antenna cable for external GSM antenna
Note
The slanted edge of the SIM card must point
downwards.
The connectors on the SIM card must point
downwards towards the CIM 250. See fig.
.
TM
0
4
2
643
2
808
Pos.
Description
1
SIM card holder
2
SIM card
1
2
1
2