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參數(shù)資料
| 型號(hào)： | PEB2445N |
| 廠商： | SIEMENS AG |
| 英文描述： | LTM4600 Evaluation Kit |
| 中文描述： | ？多點(diǎn)交換和會(huì)議股-衰減？ |
| 文件頁(yè)數(shù)： | 19/70頁(yè) |
| 文件大?。?/td> | 1236K |
| 代理商： | PEB2445N |
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PEB 2445
Overview
Semiconductor Group
19
02.96
1.6
System Integration
Conferencing
The MUSAC-A is designed to connect any of the 512 PCM-input channels to any of
256 output channels. Any input channel up to a total number of 64 can be handled in
21 independent conferences simultaneously. Any conference combination from
3 subscribers in 21 conferences up to 64 subscribers in only one conference is possible.
In order to ensure an acceptable speech quality and to reduce echo and ‘singing’
problems, the input channels can be attenuated individually by 0, 3 dB, 6 dB or 9 dB and
the output channels by 0 or 3 dB; additionally, input signals below a threshold
programmable to four different levels are disregarded (see
chapter 4.5
).
To lessen the risk of instability in multiparty conferences the voice signal from every
second channel can be inverted so that disturbance signals in odd and even channels
are subtracted from one another.
If more capacity is needed, several devices can be connected. By connecting the
16 PCM-input lines in parallel to two MUSAC-As, a non-blocking switching matrix for
512 subscribers can be implemented: 128 input channels can be selected for up to
42 independent, simultaneous conferences.
Figure 7
shows such an arrangement. Due
to the tristate capability of the MUSAC-A larger switches with conferencing capability can
be easily formed.
Figure 7
Memory Time Switch 16/16 for a Non-Blocking 512 Channel Switch
with Conferencing Capability
相關(guān)PDF資料 |
PDF描述 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PEB2445-N | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Multipoint Switching and Conferencing Unit - Attenuation MUSAC-A |
| PEB2445P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM， Other/Special/Miscellaneous |
| PEB2447 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Memory Time Switch Extended Large MTSXL |
| PEB2447H | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Memory Time Switch Extended Large MTSXL |
| PEB2447HV1.2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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