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Start-up
After all required connections have been
made and a SIM card inserted, follow the
start-up procedure:
Powering on GSM 12A
Once GSM 12A has been connected to a
12 VDC power supply, it will be ready in 10
to 15 seconds. The Signal LED will light up
according to the convention described below
under the title Signal strength.
Should there be a problem with the SIM card
(e.g. if it has been incorrectly inserted, if the
SIM card is faulty, or its PIN code not deacti-
vated), the Signal LED will start blinking
green after a few seconds. In that case, first
make sure that the SIM card PIN code really
is deactivated, as described on page 3.
If Alarm LED keeps blinking red, a fault was
discovered during the self-test of GSM 12A.
This indication occurs about 20 seconds after
powering on. Contact then your dealer.
Signal strength
The Signal LED indicates the signal strength
as follows:
1. Steady green: good signal.
2. Off (no light): bad or no signal.
In case situation (2) occurs, try re-orienting
the antenna to obtain a better coverage.
Failing that, a better antenna may be pur-
chased from Sikom.
Identification of optional keyboard
The wireless keyboard is an optional acces-
sory that is only used for locally switching the
alarm on/off. First, press both push-buttons
of GSM 12A until the LEDs start blinking.
Then keep the “S” and “A” keys of the
wireless keyboard depressed until keyboard
LEDs start flashing alternatively red and
green, which signals that the keyboard has
been successfully identified by GSM 12A.
Then, use the keyboard as follows: press “A”,
wait until the LED stops blinking, then type
your personal access code. Possible results:
green blinking = alarm deactivated, and
red blinking = alarm activated.
