3
We reserve the right to make changes without notice
T 334 - GSM 622 C1 Eng.
04.02.10 LB
REV. 0
2
9. SITING
The modem must be installed in a dry location that respects the relevant ambiental conditions given under 5.TECH-
NICAL DATA. If sited in a location classified as “Hazardous” it must be installed in a cabinet for electrical equipment
constructed according to the regulations in force for the class of danger concerned.
The modem can be mounted on a DIN rail and housed in a standard DIN enclosure.
The antenna must be installed in a zone covered by the chosen telephone operator, using, if necessary, the APA
812 extension.
10. ELECTRICAL CONNECTIONS
Proceed as follows :
• Loosen the four screws (6.
3
) that fix the cover to the base and separate the two parts.
• Mount the base on the DIN rail and check that the securing elements (6.
4
) anchor it securely
• Make the electrical connections according to the diagram and in observance of the safety regulations in force using
the following cables: :
– 1.5 mm
2
for the power supply and the relay control outputs.
– 1 mm
2
for C-Bus and RS232 for lenght limits see data sheet T 021.
• Switch on power (230 V~) and check its presence at terminals L – N and L1-N1.
• Switch off power, replace cover on base/terminal block and secure it with the four screws supplied (6.
3
).
• Connect the antenna cable (6.
8
) to the coupling (6.
6
) using the female-female connector (6.
7
)
You are advised not to insert more than two cables in a single terminal and if necessary to use an external junction
box .
11. C-BUS LINE CHARACTERISTICS
The C-Bus line’s communication speed can be set at 1200, 2400, 4800 and 9600 baud.
To set the desired speed, the TCB 908 tester can be used, connected to a PC.
The desired speed can be selected via the SWC 701 Remote Management software.
The C-Bus line can be up to 2000 metres long, with 100 slave units at the most, regardless of transmission
speed.
12. SIM CARDS
12.
1
Purchase of SIM CARD.
You are advised to purchase the SIM card from your chosen GSM network service provider for business networks.
When purchasing, it is essential to request a card enabled for the transmission and reception of DATA with the
following communication modes: AUTOBAUDING; ASYNCHRONOUS; NOT TRANSPARENT (correction data
enabled).
12.
2
Inserting SIM card in GSM 622
Before inserting the SIM card in the modem
it is essential
to disable the PIN code of the card.
To do this, use a GSM cellular telephone and insert the SIM
card in it; then, following the instructions received from this
telephone, disable the PIN code.
To install the SIM card in GSM 622 proceed as follows:
– Ensure that the modem is switched off;
You must NOT
insert or remove the SIM card while the modem is
switched on.
– Using a pointed object, press button (1) to extract card
holder (2).
– Insert SIM card (3) in the holder making sure that it is the
right way round
– Push in the card holder until it clicks into place.
– Power the modem.
12.
3
GSM network signal strength indicator
LED (7.
2
) indicates the status of the modem :
- off
:
modem not ready;
- on
:
searching for signal, SIM card not inserted, absence of antenna or in reset stage
- slow flashing
:
signal present;
- rapid flashing
:
modem transmitting;
To know exactly the signal quality you must:
– connect GSM 622 to a computer (with SIM inserted and powered) and
– using a communication program or SWC 701 telemanagement program, send instruction “
AT + CSQ
” to the mo-
dem;
– read the reply coming from GSM 622:
– from 0 to 9 =
the field is almost always too weak
– from 10 to 15 = the field is ususlly strong enough
– over 15 =
the field is good
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