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參數(shù)資料
| 型號： | MT8843 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Calling Number Identification Circuit(主叫識別電路（提供各種主叫線信息傳遞設(shè)備的接口）) |
| 中文描述： | 主叫號碼識別電路（主叫識別電路（提供各種主叫線信息傳遞設(shè)備的接口）） |
| 文件頁數(shù)： | 20/26頁 |
| 文件大?。?/td> | 178K |
| 代理商： | MT8843 |
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MT8843
5-50
Figure 18 - Input and Output Timing for Bellcore On-hook Data Transmission Associated with
Ringing, e.g., CID
Notes:
This on-hook case application is included because a CIDCW (off-hook) CPE should also be capable of receiving on-hook data
transmission (with ringing) from the end office. TR-NWT-000575 specifies that CIDCW will be offered only to lines which subscribe to
CID.
1) The CPE designer may choose to enable the CNIC2 only after the end of ringing to conserve power in a battery operated CPE. CD is not
activated by ringing.
2) The CPE designer may choose to set FSKen always high while the CPE is on-hook. Setting FSKen low prevents the FSK
demodulator from reacting to other in-band signals such as speech, CAS or DTMF tones.
3) The microcontroller in the CPE powers down the CNIC2 after CD has become inactive.
4) The microcontroller times out if CD is not activated.
1st Ring
2nd Ring
Ch. seizure
Mark
Data Packet
A
C
D
E
F
..101010..
Data
Note 1
Note 2
Note 3
Note 1
Note 4
t
CA
t
CP
B
TIP/RING
TRIGout
PWDN
OSCout
FSKen
CD
DR
DCLK
DATA
A = 2sec typical
B = 250-500ms
C = 250ms
D = 150ms
E = feature specific
Max C+D+E = 2.9 to 3.7sec
F
≥
200ms
t
PD
t
PU
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT8888C | Integrated DTMF Transceiver with Intel Micro Interface(雙音多頻信號（DTMF）收發(fā)器（帶Intel微接口）) |
| MT8889CC-1 | Integrated DTMFTransceiver with Adaptive Micro Interface |
| MT8889CN-1 | Integrated DTMFTransceiver with Adaptive Micro Interface |
| MT8889CS-1 | Integrated DTMFTransceiver with Adaptive Micro Interface |
| MT8889C | Integrated DTMFTransceiver with Adaptive Micro Interface |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT8843AE | 制造商:Mitel Networks Corporation 功能描述:TELEPHONE CALLING NO IDENT CKT, PDIP24 |
| MT8843AS | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS Calling Number Identification Circuit 2 Preliminary Information |
| MT8860 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:DTMF DECODER |
| MT8860XC | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:DTMF DECODER |
| MT8860XE | 制造商:Hitachi 功能描述:DTMF RECEIVER, 18 Pin, Plastic, DIP 制造商:Microsemi Corporation 功能描述:DTMF RECEIVER, 18 Pin, Plastic, DIP 制造商:Mitel Networks Corporation 功能描述:DTMF RECEIVER, 18 Pin, Plastic, DIP |
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