DS3171/DS3172/DS3173/DS3174
10.2.2源的时钟输出引脚信号......................................... .................................................. ........ 54
10.2.3线IO引脚的时序信号源选择......................................... .................................................. ........ 57
10.2.4时钟结构在信号IO引脚..................................................................................................... 59
10.2.5跳空Clocks..................................................................................................................................... 60
10.3 R
ESET和
P
OWER
-D
OWN
............................................................................................................................ 60
10.4 G
叶形
R
物资跟不上
..................................................................................................................................... 63
10.4.1时钟速率适配器（ CLAD ） ................................................................................................................. 63
10.4.2 8 kHz的参考一代............................................................................................................... 64
10.4.3一秒参考Generation..................................................................................................... 66
10.4.4通用IO引脚..................................................................................................................... 66
10.4.5性能监视器计数器更新详细信息.......................................... ........................................... 67
10.4.6发送手动插入错误.......................................................................................................... 68
10.5 P
ER
P
ORT
R
物资跟不上
................................................................................................................................. 69
10.5.1环回............................................................................................................................................ 69
10.5.2丢失信号传播................................................................................................................. 71
10.5.3 AIS逻辑.............................................................................................................................................. 71
10.5.4循环计时模式............................................................................................................................... 74
10.5.5 HDLC控制器的开销.................................................................................................................. 74
10.5.6踪迹............................................................................................................................................ 74
10.5.7 BERT.................................................................................................................................................... 74
10.5.8 SCT端口引脚....................................................................................................................................... 74
10.5.9取景模式.................................................................................................................................... 76
10.5.10线接口Modes............................................................................................................................ 76
10.6 DS3 / E3 F
RAMER
/ F
ORMATTER
..................................................................................................................... 78
10.6.1概述............................................................................................................................. 78
10.6.2特点............................................................................................................................................... 78
10.6.3发送Formatter............................................................................................................................... 79
10.6.4接收Framer.................................................................................................................................... 79
10.6.5 C-位DS3成帧器/格式化................................................................................................................ 83
10.6.6 M23 DS3成帧器/格式化................................................................................................................. 86
10.6.7 G.751 E3 Framer/Formatter................................................................................................................. 88
10.6.8 G.832 E3 Framer/Formatter................................................................................................................. 90
10.7 HDLC
VERHEAD
C
ONTROLLER
.................................................................................................................... 95
10.7.1概述............................................................................................................................. 95
10.7.2特点............................................................................................................................................... 96
10.7.3发送FIFO ...................................................................................................................................... 96
10.7.4发送HDLC开销处理器........................................... .................................................. ..... 97
10.7.5接收HDLC开销处理器........................................... .................................................. ...... 97
10.7.6接收FIFO ....................................................................................................................................... 98
10.8 T
轨
T
RACE
C
ONTROLLER
............................................................................................................................ 99
10.8.1概述............................................................................................................................. 99
10.8.2特点............................................................................................................................................... 99
10.8.3功能Description........................................................................................................................ 100
10.8.4发送数据存储....................................................................................................................... 100
10.8.5发送跟踪ID处理器............................................................................................................. 100
10.8.6传输路径轨迹处理........................................................................................................ 100
10.8.7接收跟踪ID处理器.............................................................................................................. 100
10.8.8接收路径轨迹处理......................................................................................................... 101
10.8.9接收数据存储........................................................................................................................ 101
10.9 FEAC
ONTROLLER
................................................................................................................................... 102
10.9.1概述........................................................................................................................... 102
10.9.2特点............................................................................................................................................. 102
10.9.3功能Description........................................................................................................................ 102
10.10 L
INE
E
NCODER
/D
ECODER
............................................................................................................................ 104
10.10.1概述........................................................................................................................... 104
10.10.2特点............................................................................................................................................. 104
10.10.3 B3ZS / HDB3编码器......................................................................................................................... 104
5 230
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