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參數(shù)資料
| 型號(hào)： | MT8981DPR |
| 廠商： | ZARLINK SEMICONDUCTOR INC |
| 元件分類： | 路由/交換 |
| 英文描述： | ISO-CMOS ST-BUS |
| 中文描述： | TELECOM, DIGITAL TIME SWITCH, PQCC44 |
| 封裝： | PLASTIC, MS-018AC, LCC-44 |
| 文件頁數(shù)： | 9/20頁 |
| 文件大小： | 481K |
| 代理商： | MT8981DPR |
MT8981D
Data Sheet
9
Zarlink Semiconductor Inc.
Fig. 8 shows how a simple digital switching system may be designed using the ST-BUS architecture. This is a
private telephone network with 128 extensions which uses a single MT8981 as a speech switch and a second
MT8981 for communication with the line interface circuits.
A larger digital switching system may be designed by cascading a number of MT8981s. Fig. 9 shows how four
MT8981s may be arranged in a non-blocking configuration which can switch any channel on any of the ST-BUS
inputs to any channel on the ST-BUS outputs.
Figure 8 - Example Architecture of a Simple Digital Switching System
Figure 9 - Four 8981s Arranged in a Non-Blocking 8 x 8 Configuration
Controlling
Micro-
Processor
Speech
Switch
-
8981
Control &
Signalling
-
8981
STo0-3
STi0-3
STo0-3
Line Interface Circuit
with Codec (e.g. 8964)
Line 1
Line 128
Line Interface Circuit
with Codec (e.g. 8964)
4
4
4
4
Repeated for Lines
2 to 127
Repeated for Lines
2 to 127
STi0-3
IN 0/3
IN 4/7
8981
#1
STi0/3 STo0/3
8981
#2
STi0/3 STo0/3
8981
#3
STi0/3 STo0/3
8981
#4
STi0/3 STo0/3
OUT 0/3
OUT 4/7
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MT8981DPR1 | ISO-CMOS ST-BUS |
| MT8981D-1 | ISO-CMOS ST-BUS⑩ FAMILY Digital Switch |
| MT8981DE | ISO-CMOS ST-BUS⑩ FAMILY Digital Switch |
| MT8981DP | ISO-CMOS ST-BUS⑩ FAMILY Digital Switch |
| MT8981D | Digital Switch |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT8981DPR1 | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 128 X 128 5V 44PLCC - Tape and Reel 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TDM/TSI SWITCH 128X128 44PLCC 制造商:Microsemi Corporation 功能描述:IC TDM/TSI SWITCH 128X128 44PLCC |
| MT8982 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY Small Digital Switch (MiniDX) |
| MT8982-1 | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY Small Digital Switch (MiniDX) |
| MT8982AC | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY Small Digital Switch (MiniDX) |
| MT8982AE | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO-CMOS ST-BUS⑩ FAMILY Small Digital Switch (MiniDX) |
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