參數(shù)資料
型號(hào)： MT8985AP
廠商： ZARLINK SEMICONDUCTOR INC
元件分類： 路由/交換
英文描述： Enhanced Digital Switch
中文描述： TELECOM, DIGITAL TIME SWITCH, PQCC44
封裝： PLASTIC, MS-018AC, LCC-44
文件頁數(shù)： 11/26頁
文件大?。?/td> 568K
代理商： MT8985AP
MT8985
Data Sheet
11
Zarlink Semiconductor Inc.
Figure 8a - Private Isochronous Network
Low Latency Isochronous Network
In today's local working group environment, there is an increasing demand for solutions on interconnection of
desktop and telephone systems so that mixed voice, data and video services can be grouped together in a reliable
network allowing the deployment of multimedia services. Existing multimedia applications require a network with
predictable data transfer delays that can be implemented at a reasonable cost. The Low Latency Isochronous
Network is one of the alternatives that system designers have chosen to accommodate this requirement (see
Figure 8a). This network can be implemented using existing TDM transmission media devices such as ISDN Basic
(S or U) and Primary rates trunks (T1 and CEPT) to transport mixed voice and data signals in grouped time slots;
for example, 2B channels in case of ISDN S or U interfaces or up to 32 channels in case of a CEPT link.
Figure 8b shows a more detailed configuration whereby several PCs are connected to form an Isochronous
network. Several services can be interconnected within a single PC chassis through the standardized Multi Vendor
Integration Protocol (MVIP). Such an interface allows the distribution and interconnection of services like voice
mail, integrated voice response, voice recognition, LAN gateways, key systems, fax servers, video cards, etc.
The information being exchanged between cards through the MVIP interface on every computer as well as between
computers through T1 or CEPT links is, in general, of mixed type where 64Kb/s and N*64Kb/s channels are
grouped together. When such a mixed type of data is transferred between cards within one chassis or from one
computer to another, the sequence integrity of the concatenated channels has to be maintained. The MT8985
device suits this application and can be used to form a complete non-blocking switch matrix of 512 channels (see
Figure 9). This allows 8 pairs of ST-BUS streams to be dedicated to the MVIP side whereas the remaining 8 pairs
are used for local ancillary functions in typical dual T1/E1 interface applications (Figure 10).
Another application of the MT8985 in an MVIP environment is to build an ISDN S-interface card (Figure 11). In this
card, 7 pairs of ST-BUS streams are connected to the MVIP interface while the remaining pair is reserved for the
interconnection of Zarlink MT8930 (SNIC), MT8992 (H-PHONE) and the MVIP interface.
Access to
Public
Network
Analog Connections
ISDN Desktops
(2B+D)
n x 64
Connections
(e.g. Video)
Isochronous Network
Server 1
Server 2
Server 3
Server 4
T1
T1
E1
T1/E1
相關(guān)PDF資料
PDF描述
MT8985APR Enhanced Digital Switch
MT8985APR1 Enhanced Digital Switch
MT8985AP1 Enhanced Digital Switch
MT8985 CMOS ST-BUS⑩ FAMILY Enhanced Digital Switch
MT8985AE CMOS ST-BUS⑩ FAMILY Enhanced Digital Switch
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT8985AP1 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 256 X 256 16.384MBPS 5V 44PLCC /BAKE/DRYPACK - Rail/Tube 制造商:Microsemi Corporation 功能描述:ENHANCED DIGITAL SWITCH 制造商:Zarlink Semiconductor Inc 功能描述:ENHANCED DIGITAL SWITCH
MT8985APR 制造商:Microsemi Corporation 功能描述:
MT8985APR1 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 256 X 256 16.384MBPS 5V 44PLCC - Tape and Reel 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TDM/TSI SWITCH 256X256 44PLCC 制造商:Microsemi Corporation 功能描述:IC TDM/TSI SWITCH 256X256 44PLCC
MT8986 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Multiple Rate Digital Switch
MT8986AC 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS ST-BUS⑩ FAMILY Multiple Rate Digital Switch
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