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PT Overview 1-15
1.1 Configuration
LED Indication
The Light Emitting Diode (LED) buttons indicate the line conditions with lighting
patterns.
Flashing light patterns
LED Indication on the INTERCOM Button
The table below shows the lighting patterns for intercom line conditions.
INTERCOM button
Off
Green On
Flashing Green Slowly
Flashing Green Moderately
Flashing Green Rapidly
Intercom Line Condition
Idle
Intercom call / Conference established
Intercom call hold
Intercom call exclusive hold
Incoming intercom/doorphone call
— Item with an * is only available on a Single-CO button.
CO Button
Off
Green On
Flashing Green Slowly
Flashing Green Moderately
Flashing Red Rapidly
Red On
Flashing Red Slowly
Outside (CO) Line Condition
Idle
You are using the line.
You have a held call or Hold Recall
You have one of the following:
(1) exclusive hold, (2) outside-to-outside (CO-to-
CO) line call, or (3) Conference, Unattended.
Incoming call
Other-use
Other-hold*
BLF on DSS Button
The Busy Lamp Field (BLF) indicator button is red when the corresponding extension is
busy. This is available for flexible CO buttons assigned as DSS buttons on proprietary
telephones and DSS buttons on DSS Consoles.
LED Indication on the CO Button
The table below shows the lighting patterns for outside (CO) line conditions.
1 s
Flashing slowly
(60 flash/min)
Flashing moderately
(120 flash/min)
Flashing rapidly
(240 flash/min)