Owner's manual

672N TELEKOMUNIKACE a.s., www.2n.cz
®
Description of Terminals
Terminals Description
AUDIO UNIT BUS
Audio unit bus (2-wire) connection, polarity
must be maintained.
terALARM
minals
= voltageVoltage
control (on/off)
6 – 24V DC, any
polarity *)
Alarm call activation
= contactContact
control (on/off)
NO/NC contact *)
terCANCEL
minals
= voltageVoltage
control (on/off)
6 – 24V DC, any
polarity **)
Alarm call deactivation by
door opening
= contactContact
control (on/off)
NO/NC contact
**)
ALARM 2
terminal
= contactContact
control (closing)
NO contact
Alarm call activation from
Alarm set 2
*) By default, ALARM is activated by voltage connection or contact closing. Use a rotary
switch to apply voltage disconnection and contact opening.
**) By default, ALARM is deactivated by voltage connection or contact closing. Use a
rotary switch to apply voltage disconnection and contact opening.
Bus Connection
Pull the connector out of the terminal board. Connect the audio unitAUDIO UNIT BUS
bus (keep polarity as shown on the audio unit cover) and replace the connector.
Warning
Connection to different, e.g. higher-voltage, cables leads to damage or
destruction of the audio unit.