NLLW 50
– ‚User guide
18
2
LLW service
2.1 The NLLW signalling tones
The NLLW signalling acousticuly stages which can happened during
operation. Further signalling is by Green and Yellow indicator connnected in lift
cabin. Acoustic samples of signalling tones you can check in configuration sw
LiftSet.
Stage
Tones
frequency
Indicators
Line pick up
–▄–■–▀–
425-850-1275
Yellow
lighting
Line hang up
–▀–■–▄
1275-850-425
Light off
Notification after calling
–▄–■–▀–
425-850-1275
Green
lighting
Command confirmation from
phone
––█––
425
Dial
DTMF/Pulse
Light off
Call
lighting x
Notification of call ending
–■–■–■–
1275
lighting x
Enter to programming mode
from phone
–■–■–■–
850
Yellow
lighting
Programming from phone
––▓–▓–––––
mod. 850
Yellow
lighting
Parameter confirmation
––█––
Enter to programming from PC
–■–■–■–
850
Sequentialy
flashing
Programming from PC
Sequentialy
flashing
Connection to telephone line
(Reset)
–■–▄–■–
1275-850-
1275
Both flash
ERROR
–■–■–■–■–■–■–
425….
Empty memory (not
programmed number)
–█–▄–■–▄–■–▄–
850-1275-
1700…
Calling from input INPUT
(failure)
–▓–▓––––▓–▓–
Mod. 850
Lighting off
Calling from system timer
–▓–––––––––▓–
Mod. 850
Lighting off
lighting x
– green / yellow – up stage (confirmed = green)
Table 1 : Signalling used in LLW