3.2
3.3
ENVIRONMENTAL LIMITS
OPERATING TEMPERATURE
32–104 °F/1–40 °C
STORAGE TEMPERATURE
-13–158 °F/-10.5–70 °C
HUMIDITY
10%-90% NON-CONDENSING
3.4
CABLE REQUIREMENTS
EQUIPMENT
CABLE
AWG
MAX FEET
MAX METERS
DIGITAL KEYSETS
1 PR. TWISTED
24
1300
400
ADD-ON MODULES
1 PR. TWISTED
24
1300
400
SINGLE LINE STATION
1 PR. TWISTED
24
3000
1 KM
DOOR PHONE
2 PR. TWISTED
24
330*
100
*This is the maximum length of the cable between the door phone and the DPIM. The
DPIM can be installed up to 900 cable feet from the KSU.
3.5
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 CALLS
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 off
TRANSFER/CONF
350 + 440 Hz
0.05 sec of tone 1/0.05 sec of tone 2
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