Apex Digital K1106 Manuel d'utilisateur télécharger pdf (Page 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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Apex Digital K1106 Manuel d'utilisateur Page 14