Audible And Visual Indications; Table 2-22 Tone Patterns - NEC Xen Master System Hardware Manual

System Tone
(Fixed)
Busy Tone (Aust.)
Call Waiting Tone
Second Dial Tone
Howler Tone
Internal Dial Tone
Internal Ringback Tone
LCR Dial Tone
Reorder Tone
Service Set Tone
Busy Tone (NZ)
NV Tone (NZ)
System Hardware Manual
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

Frequency (Hz) Cadence
(Fixed) (Default)
425 80 IPM
440
60 IPM
20 Hz Mod.
0.25 sec On
0.25 sec Off
440
0.25 sec On
1.25 sec Off
2400
Continuous
16 Hz Mod.
450/350 Continuous
0.4 sec On
425 0.2 sec Off
25 Hz Mod. 0.4 sec On
2.0 sec Off
400 Continuous
2.5 sec On
425
0.5 sec Off
800 Continuous
400 60 IPM
0.075/0.1
0.075/0.1
400
0.075/0.1
0.075/0.4
Cycle
0.375
0.375
.50
.50
.25
.25
1.25
.25
0.4
0.4
2.0
.02
2.5
.05
0.5
0.5
0.075
0.1
May 2001
0.075
0.4
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