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功能框图............................................................................................................................................................................ 12

416引脚PBGA （顶视图） ........................................................................................................................................................................... 13

阻抗匹配模式之间切换.............................................................................................................................................. 24

接收差分线接口与双绞线电缆（含变压器） ..................................... .................................................. ... 25

接收差分线接口与同轴线缆（含变压器） ....................................... .................................................. .......... 25

接收差分线接口与双绞线电缆（变压器少，不符合标准） ................................. ................... 26

接收与同轴电缆（含变压器）单端线路接口...................................... .................................................. ....... 26

接收单端线路接口与同轴线缆（变压器少，不符合标准） ................................. ...................... 26

接收路径监控.............................................................................................................................................................................. 27

发送通道监控............................................................................................................................................................................ 27

DSX - 1波形模板........................................................................................................................................................................三十

T1波形模板测量电路.............................................................................................................................................三十

E1波形模板............................................................................................................................................................................... 31

E1波形模板测量电路............................................................................................................................................ 31

差分传输线接口与双绞线电缆（含变压器） ..................................... .................................................. 35

差分传输线接口与同轴线缆（含变压器） ....................................... .................................................. ........ 35

差分传输线接口与双绞线电缆（变压器少，不符合标准） ................................. ................. 35

传输与同轴电缆（含变压器）单端线路接口...................................... .................................................. ..... 35

抖动衰减器........................................................................................................................................................................................... 37

对引脚指示LLOS .............................................................................................................................................................................. 39

TLOS检测两个通道之间.................................................................................................................................................... 41

模式生成（ 1 ） ................................................................................................................................................................................. 43

模式生成（ 2 ） ................................................................................................................................................................................. 43

PRBS / ARB检测................................................................................................................................................................................ 44

IB检测................................................................................................................................................................................................. 45

自动错误计数器更新.............................................................................................................................................................. 46

手册错误计数器更新.................................................................................................................................................................. 46

优先诊断设备在模拟环回........................................................................................................................... 49

优先诊断设备在手动远程回环............................................................................................................. 50

优先诊断设备在数字环回............................................................................................................................ 51

优先诊断设备在手动远程回环+说明书数字环回...................................... ........................... 53

优先诊断设备在手动远程回环+全自动数字环回...................................... ....................... 53

G.772监控......................................................................................................................................................................................... 54

JM自动更新............................................................................................................................................................................... 55

手册JM更新................................................................................................................................................................................... 55

在正常操作REFA输出选项................................................................................................................................................ 58

在正常操作REFB输出选项................................................................................................................................................ 59

REFA产量LLOS条件（当RCLKn时） ..................................................................................................................... 59

REFA输出中没有CLKA条件（当CLKA时） ................................................................................................................. 60

中断服务程序............................................................................................................................................................................ 63

重置........................................................................................................................................................................................................... 64

1 + 1 HPS计划，差分接口（共享公用变压器） ..................................... .................................................. ........... 66

1 ： 1 HPS计划，差分接口（单个变压器） ............................................................................................................... 67

1 + 1 HPS计划， E1 75欧姆单端接口（共享公用变压器） ................................ ........................................... 68

JTAG架构..................................................................................................................................................................................... 111

JTAG状态图................................................................................................................................................................................. 112

传输时钟时序图................................................................................................................................................................ 124

接收时钟时序图................................................................................................................................................................. 124

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2007年1月11日