Apex Digital K1106 Uživatelský manuál Strana 14

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14
POWER LED: At the top right of the board is a red LED labeled "POWER" which is illuminated when the
system is receiving power.
STATUS LED: At the top right of the board is a green LED labeled "STATUS" which flashes to show the
microprocessor is functioning. An incoming ring detection will cause this LED to flash
very fast for the first ring.
Phone LED: At the top right of the board is a green LED labeled "PHONE" which is illuminated when
the system's supervision of the phone line verifies a valid phone line on "R" and "T." If the
system does not confirm a phone line, the LED will turn off. Phone line failures can be
indicated at the keypad as well as sound a local alarm. Phone line restoration can be
communicated to the central station.
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