GSM interface
1. Purpose or function
A GSM interface has the purpose to clock by way of sending a SMS message to a mobile
phone at choice. You only need a GSM interface and a SIM card. Connect the interface at
the end of the antennas.
2. Procedure and connection
The GSM interface will be connected at the end of the cable, the place where the endplug is
connected .or with a split cable near the clock.
Activate the SIM card:
Use a Sim card where you can disable the pincode. First you must disable the pincode by
using a normal GSM.
Attention : Call at least one time for activating the Sim card. Install now the Sim card in the
interface.
Connect the interface at the end of the antennas, or with a split cable near the clock.
It is not necessary to connect power to the interface.
On the interface there are two LED lights ( one red and one green)
The green light shows the connection with the provider, the red light blinks if there is a
connection whit the clock.
Sim Card
Connection to network
