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3.2. Connections
Connecting the battery and the mains power supply
For the battery there are two cables, red and black for connecting to the positive and negative pole
respectively.
Keyboard connections
To facilitate the installation, the keyboard has two parts, the base and the main body. The base is the
part that must be mounted to the wall. It contains only the connections terminals and a small alignment
vial that is used to correctly mount the base. After connecting the cables, the main body is fastened to
the base. A screw on the bottom side does not permit accidental removing of the main body from the
base.
To connect the panel to the keyboard of keyboards use the terminals 2V, -, A
και Β. Respective
terminals are also found on the keyboard. The connection is a typical RS-485 connection and requires
a terminal resistor on the two outmost devices.
Connecting a keyboard to the panel. The jumper for the terminal resistor must be placed in order to
make contact with the 2 pins (activated terminal resistors).
Содержание BS-468
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