Nortel 1000 Features And Services Fundamentals page 111

Dark indicates lamp or LCD is off.
Wink indicates lamp or LCD is winking at 60 impulses per minute (ipm)
(0.875 seconds on, 0.125 seconds off).
Lit indicates lamp or LCD is on
Flash indicates lamp or LCD is flashing at 30 ipm (0.5 seconds on, 0.5 seconds
off).
Copyright © 1994–2008, Nortel Networks
.
Party A's
telephone
Idle
Busy
Nortel Communication Server 1000
Features and Services Fundamentals — Book 2 of 6 (C)
NN43001-106 02.04 Standard
Release 5.5 9 May 2008
Party A's Call Forward
Deactivated
Dark
Lit
Feature operation 111
Activated
Wink = Fast Flash
Flash