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參數(shù)資料
| 型號： | MT9173AE1 |
| 廠商： | ZARLINK SEMICONDUCTOR INC |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | Digital Subscriber Interface Circuit with RxSB Digital Network Interface Circuit with RxSB |
| 中文描述： | DATACOM, DIGITAL SLIC, PDIP24 |
| 封裝： | 0.300 INCH, LEAD FREE, PLASTIC, MS-001, DIP-24 |
| 文件頁數(shù)： | 4/28頁 |
| 文件大?。?/td> | 613K |
| 代理商： | MT9173AE1 |
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MT9173/74
Data Sheet
4
Zarlink Semiconductor Inc.
Figure 4 - DV Port - 160 kbit/s (Modes 2, 3, 6)
Functional Description
The MT9173 and MT9174 are multifunction devices capable of providing high speed, full duplex digital transmission
at up to 160 kbit/s over a twisted wire pair. They use adaptive echo-cancelling techniques and transfer data in a
format compatible to the ISDN basic rate. Several modes of operation allow an easy interface to digital
telecommunication networks including PCS wireless base stations, smart telephone sets, workstations, data
terminals and computers. The device supports the 2B+D channel format (two 64 kbit/s B-channels and one
16 kbit/s D-channel) over two wires as recommended by the CCITT. The line data is converted to and from the ST-
BUS format on the system side of the network to allow for easy interfacing with other components such as the S-
interface device in an NT1 arrangement, or to digital PABX components.
Smart telephone sets with data and voice capability can be easily implemented using the MT9173/74 as a line
interface. The device’s high bandwidth and long loop length capability allows its use in a wide variety of sets. This
can be extended to provide full data and voice capability to the private subscriber by the installation of equipment in
both the home and central office or remote concentration equipment. Within the subscriber equipment the
MT9173/74 would terminate the line and encode/ decode the data and voice for transmission while additional
electronics could provide interfaces for a standard telephone set and any number of data ports supporting standard
data rates for such things as computer communications and telemetry for remote meter reading. Digital
workstations with a high degree of networking capability can be designed using the DNIC for the line interface,
offering up to 160 kbit/s data transmission over existing telephone lines. The MT9173/74 could also be valuable
within existing computer networks for connecting a large number of terminals to a computer or for intercomputer
links. With the DNIC, this can be accomplished at up to 160 kbit/s at a very low cost per line for terminal to
computer links and in many cases this bandwidth would be sufficient for computer to computer links.
Figure 1 shows the block diagram of the MT9173/74. The DNIC provides a bidirectional interface between the DV
(data/voice) port and a full duplex line operating at 80 or 160 kbit/s over a single pair of twisted wires. The DNIC has
three serial ports. The DV port (DSTi/Di, DSTo/Do), the CD (control/data) port (CDSTi/CDi, CDSTo/CDo) and a line
port (L
IN
, L
OUT
). The data on the line is made up of information from the DV and CD ports. The DNIC must combine
information received from both the DV and CD ports and put it onto the line. At the same time, the data received
from the line must be split into the various channels and directed to the proper ports. The usable data rates are 72
F0
C4
DSTi
DSTo
F0o
B1
7
B1
6
B1
5
B1
4
B1
3
B1
2
B1
1
B1
0
B1
7
B1
7
Channel Time 0
B1
7
B1
6
B1
5
B1
4
B1
3
B1
2
B1
1
B1
0
B2
7
B2
6
B2
5
B2
4
B2
3
B2
2
B2
1
B2
0
B2
7
B2
6
B2
5
B2
4
B2
3
B2
2
B2
1
B2
0
Channel Time 16
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| MT92220 | 1023 Channel Voice Over IP/AAL2 Processor |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MT9173AN | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Digital Subscriber Interface Circuit with RxSB |
| MT9173AN1 | 制造商:Microsemi Corporation 功能描述:PB FREE DNIC 1.5UM 制造商:Microsemi Corporation 功能描述:DGTL INTRFC CIRCUIT 24SSOP - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC SUBSCRIBER NETWRK DSIC 24SSOP 制造商:Microsemi Corporation 功能描述:IC SUBSCRIBER NETWRK DSIC 24SSOP |
| MT9173ANR1 | 制造商:Microsemi Corporation 功能描述:DGTL INTRFC CIRCUIT 24SSOP - Tape and Reel 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC SUBSCRIBER NETWRK DSIC 24SSOP 制造商:Microsemi Corporation 功能描述:IC SUBSCRIBER NETWRK DSIC 24SSOP |
| MT9173AP | 制造商:Microsemi Corporation 功能描述:DGTL INTRFC CIRCUIT 28PLCC - Rail/Tube |
| MT9173AP1 | 制造商:Microsemi Corporation 功能描述:DGTL INTRFC CIRCUIT 28PLCC - Rail/Tube |
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