參數(shù)資料
型號(hào)： MT90812
廠商： Mitel Networks Corporation
英文描述： Integrated Digital Switch (IDX)(集成數(shù)字開關(guān))
中文描述： 綜合數(shù)字交換機(jī)（IDX的）（集成數(shù)字開關(guān)）
文件頁數(shù)： 48/105頁
文件大小： 334K
代理商： MT90812
MT90812
Advance Information
44
Table 15 - Tone Block Address
Note 1: 1st and 2nd programmable tones can be programmed as dual frequency squarewave Tone Ringer signals
Note 2: 7th programmable tone is replaced with FSK signal when FSK Transmitter is enabled.
16.1
Tone Ringer
Of the 7 programmable tone generators the first two can be used to provide dual frequency squarewave ringing
signals. To enable this mode and generate the squarewave ringing signals, the Tone Ringer Enable bits, TRE1
and TRE2, in the Tone Generation and Energy Detect Control Register (TEDC) must be set. TRE1 and TRE2
enable the first and second Tone Ringer circuits, respectively. The digital tone generator uses the values
programmed into the low and high Tone Coefficient Registers to generate two different squarewave
frequencies. Both coefficients are determined by the following equation:
Coef = [8000/Frequency(Hz)] - 1
where Coef is an integer between 1 and 255. This produces frequencies between 31.25 - 4000 Hz with a non-
linear resolution as shown in Table 16. The ringer program switches between these two frequencies at a 5 Hz
or 10 Hz rate as selected by the WR bit in the TEDC register.
Addr
Frequency(Hz)
Application
Addr
Frequency(Hz)
Application (Type of cadenced tones
generated)
00
697+1209
DTMF digits 1
10
350+440
Dial Tone, Recall Dial Tone,
Confirmation Tone
01
697+1336
DTMF digit 2
11
440
Call Waiting, Busy Verification,
Executive Override
02
697+1477
DTMF digit 3
12
440+480
Audible Ringback, Special Audible
Ringback
03
697+1633
DTMF digit A
13
440+620
Intercept Tone
04
770+1209
DTMF digit 4
14
480+620
Reorder Tone, Busy Tone
05
770+1336
DTMF digit 5
15
400
Busy, Conference Exterior, Call Waiting
06
770+1477
DTMF digit 6
16
400+450
Audible Ring Tone
07
770+1633
DTMF digit B
17
425
Dial Tone
08
852+1209
DTMF digit 7
18
1400
Intrusion Tone
Programmable 1
1
Programmable 2
1
09
852+1336
DTMF digit 8
19
L1+H1
0A
852+1477
DTMF digit 9
1A
L2+H2
0B
852+1633
DTMF digit C
1B
L3+H3
Programmable 3
0C
941+1209
DTMF digit *
1C
L4+H4
Programmable 4
0D
941+1336
DTMF digit 0
1D
L5+H5
Programmable 5
0E
941+1477
DTMF digit #
1E
L6+H6
Programmable 6
Programmable 7
2
0F
941+1633
DTMF digit D
1F
L7+H7
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