Manual
RUKRA GSM/PSTN Interface_ENG_V1
Article number: RK-1201
5
MEANING OF THE LED’S
SOLUTIONS FOR PROBLEMS
All LED are not lighting:Problem in power supply. Check connection to main 230V as same as connection of
adapter to RUKRA GSM/PSTN interface and the connection of the internal battery.
The LED “power supply” lights. When you make connection to RUKRA GSM/PSTN interface green LED is ON and
in handset you hear busy tone. Yellow LED flashing in period „GSM modul doesnt communicate with CPU“.
During work with USB could be programmed fix communication rate for GSM modul. Use USB to programm rate
on „autobauding“.
The yellow LED flashing in period „PIN unreadable“. After calling to RUKRA GSM/PSTN interface you get busy
tone. The SIM card requires PIN, which is not preprogrammed or is preprogrammed wrongly.
The LED „communication to GSM„ is flash shortly one for 2 sec. After calling to RUKRA GSM/PSTN interface you
are hearing busy tone. RUKRA GSM/PSTN interface is not log into GSM network – bad signal.
The yellow LED „communication to GSM„ is flashing up signal strength“. After calling to RUKRA GSM/PSTN
interface Green LED is not light up and in analogue phone is quiet. It interrupted conduction of analogue line or
so much big resistance in current loop (for example:(Too long cabel between elevator and RUKRA GSM/PSTN
interface).
The RUKRA GSM/PSTN interface works but call is disturbed by interference. Incorrect position of antenna
against telephone line. Change antenna position.
Permanent light
(lights up after power connection)
Power supply or battery of GSM unit
10 seconds on, and off for 1 second
PIN-code is wrong, can not read PIN-code
Permanent light
line OFF HOOK
Doesnt light
line ON HOOK
Flashing in rhytm of busy tone
Programming or PC connection mode
Flashing in rhytm of busy tone
Initialization mode after power supply
connection, restart after programming etc..
1- 5 flashes with period 4 sec.
stand by mode. Number of flashes = signal
strength
Short lights off with period 2 sec.
GSM modul doesnt communicate to CPU
Short flashes in period 2 sec.
Gate is not registrate to GSM network
Permanent light
GSM connection is running (call)
Flashing in period 2sec
SIM is not ready