TFRA84J13对Ultraframer
DS3/E3/DS2/E2/DS1/E1/DS0
产品介绍,修订版4
2005年4月29日
1引言.........................................................................................................................................................................1
2,产品特点.............................................................................................................................................................................3
2.1测试码型发生器/监视器( TPG / TPM ) ( X1 ) ........................................................................................................3
2.2 M13 / E13 MUX ( X3 ) ......................................................................................................................................................3
2.2.1 M13 ....................................................................................................................................................................3
2.2.2 E13 .....................................................................................................................................................................3
2.3 DS1 / J1 / E1帧( FRM ) ( 3x28 / 21 ) ..........................................................................................................................4
2.4 DS3 / E3 / DS2 / E2 / DS1 / E1多速率交叉连接( MRXC ) ( X1 ) ............................. .................................................. ..4
2.5 DS1 / E1数字抖动衰减( DJA ) ( 3x28 / 21 ) .......................................................................................................5
2.6微处理器单元(MPU) (×1) ..................................................................................................................................5
2.7 JTAG ...........................................................................................................................................................................5
3概述.............................................................................................................................................................................6
4应用图..........................................................................................................................................................7
4.1 DS3 / E3 /从DS1 / E1应用............................................................................................................................7
4.2 DS3 / E3 /从DS0 / E0应用............................................................................................................................8
4.3 DS1 / E1 /从DS0 / E0应用............................................................................................................................9
5块说明..............................................................................................................................................................10
5.1 M13 / E13多路复用器( M13 / E13 MUX ) .......................................................................................................................10
5.1.1 M13 MUX .........................................................................................................................................................10
5.1.1.1接收方向..................................................................................................................................10
5.1.1.2发送方向.................................................................................................................................10
5.1.2 E13 MUX ..........................................................................................................................................................10
5.2多速率交叉连接( MRXC ) ..............................................................................................................................11
5.3 DS1数字抖动衰减器( DS1 / E1 DJA ) ...............................................................................................................11
5.4测试码型发生器/监视器( TPG / TPM ) .............................................................................................................11
5.5时钟发生器( CG ) ................................................................................................................................................12
5.6成帧器( FRM ) ............................................................................................................................................................12
5.6.1线译码器/编码器.....................................................................................................................................12
5.6.2接收帧定位仪/发送帧格式化........................................ .................................................. 12
5.6.3接收性能监视器..........................................................................................................................12
5.6.4信号处理器.........................................................................................................................................13
5.6.5设备数据链路( FDL )处理器..................................................................................................................13
5.6.6 HDLC组........................................................................................................................................................13
6词汇表...........................................................................................................................................................................14
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