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參數(shù)資料
| 型號(hào)： | MH88612K |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Subscriber Line Interface Circuit Preliminary Information |
| 中文描述： | 用戶線接口電路的初步信息 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 72K |
| 代理商： | MH88612K |
2-121
Features
Input impedance 600
Transformerless 2-wire to 4-wire conversion
Battery and ringing feed to line
Off-hook and dial pulse detection
Ring ground over-current protection
Adjustable constant current feed
Relay drive output with diode protection
Power Denial
Wide V
BAT
Operating Range
Tip/Ring Reversal
Applications
Line interface for:
PABX
Intercoms
Key Telephone Systems
Control Systems
Figure 1 - Functional Block Diagram
VBat
VDD VEE GNDA
VR
VX
VRef
CAP
SHK
RD1
RC1
VRLY
RC2
RF
TF
RING
TIP
Relay
Drive
Circuit
Over Current
Protection
2-Wire to
4-Wire
Conversion
Loop
Supervision
Current
Feed
Constant
Power
Denial
Battery
Feed
T/R
Reverse
T/R Reverse
Relay Driver
PD
LPGND
RV
ISSUE 3
April 1995
Ordering Information
MH88612K 30 Pin SIL Package
0
°
C to 70
°
C
Description
The SLIC provides a complete interface between a
switching system and subscriber loop. Functions
provided include battery feed, ringing feed and tip-
ring reversal to the subscriber line, 2-Wire to 4-Wire
hybrid interfacing, constant current feed and dial
pulse detection. The device is fabricated as a thick
film hybrid using various technologies.
MH88612K
Subscriber Line Interface Circuit
Preliminary Information
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MH88612 | Subscriber Line Interface Circuit (SLIC) Preliminary Information |
| MH88612BV-K | Subscriber Line Interface Circuit (SLIC) Advance Information |
| MH88614 | Programmable CODEC SLIC Advance Information |
| MH88615 | Standard SLIC with Ringing Amplification(帶振鈴放大作用的標(biāo)準(zhǔn)用戶線接口電路（SLIC）) |
| MH88615 | ONS Subscriber Line Interface Circuit Advance Information |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MH88614 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Programmable CODEC SLIC Advance Information |
| MH88615 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ONS Subscriber Line Interface Circuit Advance Information |
| MH88615-1 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ONS Subscriber Line Interface Circuit Advance Information |
| MH88615-3 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ONS Subscriber Line Interface Circuit Advance Information |
| MH88615-7 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ONS Subscriber Line Interface Circuit Advance Information |
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