May 2001
System Hardware Manual
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4.10
Audible and Visual Indications
The tables in this section provide the audible and visual indications
used in the Xen systems.
4.10.1
Tone Patterns
Tones are used in the Xen systems to inform the station
user of various functions of the systems such as, dial tone,
busy tone, or ringback tone. Table 2-22 Tone Patterns lists
the frequency and the pattern for the tones used in the
Xen system.
4.10.2
LED Flash Patterns
The Xen system provides 2-color LEDs. Green is used
primarily for I-Use conditions and for outside calls. Red is
used primarily for Other Use conditions and internal calls.
Refer to.
Table 2-22 Tone Patterns
System Tone
(Fixed)
Frequency (Hz)
(Fixed)
Cadence
(Default)
Cycle
Busy Tone (Aust.)
425
80 IPM
Call Waiting Tone
440
20 Hz Mod.
60 IPM
Second Dial Tone
440
0.25 sec On
0.25 sec Off
0.25 sec On
1.25 sec Off
Howler Tone
2400
16 Hz Mod.
Continuous
Internal Dial Tone
450/350
Continuous
Internal Ringback Tone
425
25 Hz Mod.
0.4 sec On
0.2 sec Off
0.4 sec On
2.0 sec Off
LCR Dial Tone
400
Continuous
Reorder Tone
425
2.5 sec On
0.5 sec Off
Service Set Tone
800
Continuous
Busy Tone (NZ)
400
60 IPM
NV Tone (NZ)
400
0.075/0.1
0.075/0.1
0.075/0.1
0.075/0.4
0 .37 5
0.375
.50
.50
.25
.25
.2 5
1.25
0.4
.02
0.4
2.0
.05
2.5
0.5
0.5
0.1
0.075
0.075
0.4
