參數(shù)資料
型號: MT90883A
廠商: Zarlink Semiconductor Inc.
英文描述: TDM to Packet Processors
中文描述: TDM到分組處理器
文件頁數(shù): 24/97頁
文件大?。?/td> 702K
代理商: MT90883A
MT90880/1/2/3
Data Sheet
24
Zarlink Semiconductor Inc.
4.5 Local Resource Pool Example
For smaller systems, the built-in TDM switch allows traffic to be switched out to a local resource pool on the line
card. The provision of a high bandwidth, 33 MHz PCI interface allows the processed data to be returned to the
MT90880 ready for transmission over the network (Figure 6). Alternatively, the Local TDM interface can be used
to return data to the MT90880 for transmission across the packet network.
The PCI interface on the MT90880 contains a DMA controller to simplify packet handling over the PCI bus. This
can read packets out of the system memory on the PCI bus and place them on the appropriate queue for
transmission.
Figure 6 - Use of a Local Resource Pool
Line Input Card
PSTN
MT9076
Framer
MT90880
TDM-IP
Processor
Local
Resource
Pool
TDM
Ethernet
TDM
PCI
T1/E1/
ISDN
Packet
data flow
Examples
: HDLC,
modem pool,
voice codecs,
echo cancellers
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