Operating Instructions (GB)
900 191 - V1.0
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Page 11
7.
Operation and displays
of the control board (CPU)
7.1
Overview of back of control board
1) GSM modem
Slot for an optional retrofittable GSM modem
Chapter
11.2
2) RJ12 socket
For connection of signal line to base circuit
board
Chapter
6.2
3) Internal alarm buzzer
If a fault occurs an alarm tone will sound
Chapter
11.4
4) USB host connection
For data exchange and software update via
USB stick
Chapter
11.6
5) Network module
Not used
6) Lithium battery 3 V, type CR2032
Power reserve for clock and date
We recommend replacing the battery every five years. According to the Battery Act (BattG), waste batteries and
old batteries are to be returned to the retailer or to collection points.
RJ12 socket
2)
Internal buzzer
3)
USB host connection
4)
Lithium battery
6)
CR 2032 3V
Network module
5)
GSM modem
1)