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參數(shù)資料
| 型號： | MH88500 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Hybrid Subscriber Line Interface Circuit (SLIC)(混合用戶線接口電路（SLIC）（在電話線和語音開關(guān)之間提供一個接口）) |
| 中文描述： | 混合用戶線接口電路（SLIC）（混合用戶線接口電路電路（SLIC）（在電話線和語音開關(guān)之間提供一個接口）） |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 64K |
| 代理商： | MH88500 |
2-53
Features
Differential to single ended conversion
No transformers required
Minimum installation space
Off-Hook detection and LED indicator drive
Relay drive output
Battery and ringing feed to line
Logic interface: MUTE, OFHK, RC
Mute of incoming audio
Dial pulse detection
Voltage surge protection
Applications
Line Interface for:
PABX
Intercoms
Key Systems
Description
The Mitel MH88500 Subscriber Line Interface Circuit
provides a complete interface between the telephone
line and a speech switch requiring only single
bidirectional switch per crosspoint. The functions
provided by the MH88500 include bidirectional
differential to single ended conversion in the speech
path, line battery feed, ringing feed and loop and dial
pulse detection. The device is fabricated as a thick
film hybrid in a 20-pin ‘single-in-line’ package
allowing optimum circuit board packing density.
Figure 1 - Functional Block Diagram
JUNCTOR
MUTE
OFHK
LED
THRESH ADJ
V
C2
V
A2
V
B
V
C1
GND
VA
1
TIP
RING
RING
FEED
CD
RD
RC
RGND
V
A2
V
B
Speech Circuit
Loop Detection
Loop Feed/
Ring Feed
Relay Drive
Circuit
ISSUE 5
April 1995
Ordering Information
MH88500
20 Pin SIL Package
0
°
C to 70
°
C
MH88500
Hybrid Subscriber Line Interface Circuit (SLIC)
Preliminary Information
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MH88510 | Subscriber Line Interface Circuit (SLIC) Preliminary Information |
| MH88511 | Subscriber Line Interface Circuit (SLIC) Preliminary Information |
| MH88610 | () |
| MH88617 | Programmable SLIC with Ringing Amplification(帶振鈴放大作用的可編程用戶線接口電路（SLIC）) |
| MH88622-3 | DUAL OPS SLIC Preliminary Information |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MH88500IN | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Hybrid Subscriber Line Interface Circuit (SLIC) Preliminary Information |
| MH88510 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Subscriber Line Interface Circuit (SLIC) Preliminary Information |
| MH88511 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Subscriber Line Interface Circuit (SLIC) Preliminary Information |
| MH88520-1 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:German Subscriber Line Interface Circuit (SLIC) Preliminary Information |
| MH88524 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Dual 2-4 Wire Circuit Preliminary Information |
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