DPT Overview 1-251.1 ConfigurationLED IndicationThe Light Emitting Diode (LED) buttons indicate the line conditions with lightingpatterns.Flashing light patternsSlow flashing(60 flash/min.)Moderate flashing(120 flash/min.)Rapid flashing(240 flash/min.)LED Indication on the INTERCOM ButtonThe table below shows the lighting patterns for intercom line conditions.LED Indication on the CO ButtonThe table below shows the lighting patterns for outside line conditions.INTERCOM buttonOffGreen OnGreen slow flashingGreen moderate flashingGreen rapid flashingIntercom Line ConditionIdleIntercom call / Conference establishedIntercom call holdIntercom call exclusive hold / Consultation holdIncoming intercom/doorphone call— Items with a * are only available on the Single-CO button.1 sec.CO ButtonOffGreen OnGreen slow flashingGreen moderate flashingGreen rapid flashingRed OnRed slow flashingOutside Line ConditionIdleI-useI-holdI-exclusive hold / Outside-to-outside line call /Conference, UnattendedPrivacy Release possible* / Hold Recall /Incoming callOther-use / Log-outOther-hold*BLF on DSS ButtonThe Busy Lamp Field (BLF) indicator button is red when the corresponding extension isbusy. This is available for flexible CO buttons assigned as DSS buttons on proprietarytelephones.
