Product specifications

3-2
Chapter 3
Specifications
This is the maximum length of the cable between the door phone and the DPIM. The
DPIM can be installed up to 274 cable meters from the KSU.
System Tones
Tone Frequencies Cadence
Dial Tone
350 + 440 Hz CONTINUOUS
Ring Back Tone
440 + 480 Hz 1 sec on + 3 sec off
Busy Tone
480 + 620 Hz 0.5 sec on + 0.5 sec off
DND/No More Tone
480 + 620 Hz 0.25 sec on + 0.25 sec off
Error Tone
480 + 620 Hz 0.25 sec of each tone
Confirmation Tone
350 + 440 Hz Three bursts of tone 0.1 sec on + 0.1 sec
Transfer/CONF
350 + 440 Hz 0.1 sec on + 0.1 sec off
The details of system tones may vary according to the specifications of each
country.
Keyset LEDs
Condition LED Color LED On LED Off
Line Idle
Off – Off
Line In Use
Red/Green Steady –
Recall
Amber 500 ms 500 ms
Call On Hold
Red/Green 500 ms 500 ms
Ringing C.O. Call
Red/Green 100 ms 100 ms
Ringing Internal Call
Green 100 ms 100 ms
DND Indication
Red
100 ms ON/100 ms
OFF for 500 ms
500 ms