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參數資料
| 型號： | MH88435-P |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Data Access Arrangement(數據存取陣列（在音頻或數據傳送設備和電話線之間提供一個完全接口）) |
| 中文描述： | 數據訪問安排（數據存取陣列（在音頻或數據傳送設備和電話線之間提供一個完全接口）） |
| 文件頁數： | 1/16頁 |
| 文件大小： | 71K |
| 代理商： | MH88435-P |
2-39
Features
FAX and Modem interface V.34(33k6)
Externally programmable line and network
balance impedances
Programmable DC termination characteristics
IEC950 recognised component
Transformerless 2-4 Wire conversion
Integral Loop Switch
Dial Pulse and DTMF operation
Accommodates parallel phone detection
Line state detection outputs:-
loop current/ringing voltage/line voltage
Single +5V operation, low on-hook power
(35mW)
Full duplex voice and data transmission
On-Hook reception from the line
Approvable to UL1950
Industrial temperature range available
Applications
Interface to Central Office or PABX line for:
FAX/Modem (including software modems)
Electronic Point of Sale
Security System
Telemetry
Set Top Boxes
Description
The Mitel MH88435 Data Access Arrangement
(D.A.A.) provides a complete interface between
audio or data transmission equipment and a
telephone line. All functions are integrated into a
single thick film hybrid module which provides high
voltage isolation, very high reliability and optimum
circuit design, needing a minimum of external
components.
The impedance and network balance are externally
programmable,
as
are
characteristics, making the device suitable for most
countries worldwide.
the
DC
termination
Figure 1 - Functional Block Diagram
Opto-
Isolation
Logic Input
Buffer
Isolation
Isolation
Isolation
Analog
Buffer
Analog
Buffer
Buffer
THL cancellation
and line
impedance
matching circuit
Isolation Barrier
VCC
VBIAS
AGND
LC
VR+
VX
RV
LCD
TIP
RING
User Connections
Network Connections
Input Buffer
&
Line Termination
Ring & Loop
VLOOP2
VR-
NB1
NB2
LOOP
ZA
RS
VLOOP1
DS5132
ISSUE 8
July 1999
Package Information
MH88435AD-P
MH88435AS-P
28 Pin DIL Package
28 Pin SM Package
0
°
C to +70
°
C
MH88435AS-PI
MH88435AD-PI
28 Pin SM Package
28 Pin DIL Package
-40
°
C to +85
°
C
MH88435-P
Data Access Arrangement
Preliminary Information
相關PDF資料 |
PDF描述 |
|---|---|
| MH88435 | Data Access Arrangement |
| MH88435AD-P | Data Access Arrangement Preliminary Information |
| MH88435-P | Data Access Arrangement Preliminary Information |
| MH88435AD-PI | Data Access Arrangement Preliminary Information |
| MH88435AS-P | Data Access Arrangement Preliminary Information |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MH88437 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Data Access Arrangement Advance Information |
| MH88437AD-P | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Data Access Arrangement Advance Information |
| MH88437AD-PI | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Data Access Arrangement Advance Information |
| MH88437AS-P | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Data Access Arrangement Advance Information |
| MH88437AS-PI | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Data Access Arrangement Advance Information |
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