AT&T MERLIN LEGEND Release 4.0 Feature Reference page 184

Feature Reference
Table 11. LED Meanings for Normal Call-Handling Operation
LED Status Extension Type
Off Individual
Line/Trunk number
Pool dial-out code
Calling group
Paging group
Operator Park Zone A call is not parked on this park zone code.
ARS, Remote
access, Listed
Directory Number
On Individual
Line/trunk number
Pool dial-out code
Calling group
Paging group
Operator Park Zone A call is parked in this park zone.
ARS, Remote
Access, Listed
Directory Number
Fast flashing Individual
Slow flashing Individual
Line/trunk number
184
Direct Station Selector: MLX
Meaning
The person is not on the telephone and is not using
Do Not Disturb.
The line/trunk is not in use.
At least one trunk is available for making an outside
call.
The calling group queue is below the programmed
threshold.
The group is available for making a group
announcement.
Not applicable, red LED is always off.
The person is on the telephone or has activated the
Do Not Disturb feature.
The line/trunk is in use.
No trunks are available in this pool for outside calls.
The calling group queue is at or above the allowable
threshold.
An announcement is being made to a paging group.
Not applicable, red LED is always off.
The person is calling the system operator position.
A call transferred by the system operator to the
extension is returning.
A call is ringing on this line/trunk.