1
2
potentiometers to change the volume
of the microphone and loudspeaker
plug to connect
extension modules
cable inlet
mounting holes
for wall mounting
EN
10-10X / 10-11X(-01) / 10-12X(-01)
Fig. 1: removing the vandalproof nameplate
EEPROM memory
Fig. 2: making connection terminals and mounting holes visible
a b R S P
3
connection terminals
a b R S P
1
2
29