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Relay for Lock release:
To configure the relay unit as AC Lock release:
Set JP1 system selection jumper for 2PLUS system (see page 38).
Set SW1-2 of the relay unit to ON (see page 38).
SAR-2Plus relay unit will be activated together with the Lock release of the door panel during
call reception or communication process by pressing push door release button of any phone of
the backbone where the relay unit is installed.
BUS
SAR-2PLUS
SW1
JP1
E.of LINE
BUS
BUS
CONFIGURATION
TF-104
PRI
SEC
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Main
AC Lock release