Caution
If the lock power supply fails and the telephone system carries on
working, the intercom is unaware of the failure the switch will be
password-activated and the activation is acoustically signalled, but the
electric lock will not work because of the lack of power.
Ground connection is mandatory. If used power supply output is
grounded, you can connect GND terminal to it.
Make sure that the power supply is able to supply the required current. Connect the
supply and lock as shown in the figure below:
Separate Backlight and Electric Lock Supply
Separate power supplies are necessary e.g. where the lock requires voltage higher
than 12 V. In this case, an additional power supply (12 V) must be used to illuminate
the button backlight – see the figure below:
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Содержание 9153201-E
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