XRT83VSH316
初步
REV 。 P1.0.3
16通道T1 / E1 / J1短程线路接口单元
目录
F
IGURE
1. B
LOCK
D
的作者IAGRAM
XRT83VSH316 ........................................................................................................................ 1
1.0引脚说明..............................................................................................................................4
2.0时钟合成器.......................................................................................................................19
F
IGURE
2. S
IMPLIFIED
B
LOCK
D
的作者IAGRAM
C
LOCK
S
YNTHESIZER
............................................................................................ 19
3.0接收通道线路接口.....................................................................................................20
F
IGURE
3. S
IMPLIFIED
B
LOCK
D
的作者IAGRAM
R
ECEIVE
P
ATH
...................................................................................................... 20
3.1线路终端( RTIP / RRING ) .............................................................................................................. 20
3.1.1内部端接......................................................................................................................................... 20
F
IGURE
4. T
YPICAL
C
ONNECTION
D
IAGRAM
U
星
I
NTERNAL
T
发芽
.................................................................................... 21
3.2
时钟和数据恢复.................................................................................................................. 22
F
IGURE
5. R
ECEIVE
D
ATA
U
PDATED ON THE
R
伊辛
E
作者: DGE
RCLK ................................................. ............................................. 22
F
IGURE
6. R
ECEIVE
D
ATA
U
PDATED ON THE
F
奥林
E
作者: DGE
RCLK ................................................. ........................................... 22
3.3接收灵敏度.................................................................................................................................. 23
F
IGURE
7. T
美东时间
C
ONFIGURATION FOR
M
EASURING
R
ECEIVE
S
ENSITIVITY
........................................................................................ 23
3.4干扰余量............................................................................................................................. 23
F
IGURE
8. T
美东时间
C
ONFIGURATION FOR
M
EASURING
I
干涉现象
M
ARGIN
.................................................................................... 23
3.5一般报警检测和中断产生........................................... ................. 24
F
IGURE
9. I
NTERRUPT
G
eneration
P
ROCESS
B
LOCK
..................................................................................................................... 24
3.6接收诊断模式检测............................................. ............................................. 25
3.6.1
3.6.2
3.6.3
3.6.4
3.6.5
RLOS (信号接收器丢失,线路侧) ........................................ .................................................. ........
EXLOS (信号扩展的损失) ..................................................................................................................
AIS (告警指示信号,线路侧) ......................................................................................................
FLSD ( FIFO极限状态检测) ................................................................................................................
LCV (线路编码违规检测,线路侧ONLY) ....................................... .......................................
25
25
25
25
25
3.7接收诊断模式生成............................................. ......................................... 26
3.7.1系统侧AIS ( SAIS ) .......................................................................................................................................... 26
F
IGURE
10. S
变体系
S
IDE
SAIS
ECEIVE
O
安输出
......................................................................................................................... 26
3.7.2 ATAOS (系统自动发送全1 ) ....................................... .................................................. 26
F
IGURE
11. S
IMPLIFIED
B
LOCK
D
的作者IAGRAM
ATAOS F
油膏
............................................................................................... 26
3.7.3系统侧LOS ( SLOS ) ....................................................................................................................................... 27
F
IGURE
12. S
变体系
S
IDE
SLOS
ECEIVE
O
安输出
........................................................................................................................ 27
3.8系统侧SPRBS接收输出............................................ .................................................. ..... 27
3.9抖动衰减器(如果允许在接收路径中) ....................................... .......................... 28
3.10 HDB3 / B8ZS解码器................................................................................................................................ 28
F
IGURE
13. S
炉火
R
AIL
M
ODE
W
ITH一个
F
IXED
R
EPEATING
"0011" P
ATTERN
................................................................................... 28
F
IGURE
14. D
UAL
R
AIL
M
ODE
W
ITH一个
F
IXED
R
EPEATING
"0011" P
ATTERN
...................................................................................... 28
3.11 RXMUTE ( LOS接收器具有数据静音,线路侧ONLY) ..................................... ................. 29
F
IGURE
15. S
IMPLIFIED
B
LOCK
D
的作者IAGRAM
R
X
静音F
油膏
............................................................................................ 29
4.0发送通道线路接口............................................. .................................................. ... 30
F
IGURE
16. S
IMPLIFIED
B
LOCK
D
的作者IAGRAM
T
RANSMIT
P
ATH
................................................................................................... 30
4.1 TCLK / TPOS / TNEG数字输入............................................................................................................ 31
F
IGURE
17. T
RANSMIT
D
ATA
S
AMPLED ON
F
奥林
E
作者: DGE
TCLK ................................................. .............................................. 31
F
IGURE
18. T
RANSMIT
D
ATA
S
AMPLED ON
R
伊辛
E
作者: DGE
TCLK ................................................. ................................................ 31
4.2 HDB3 / B8ZS编码器.................................................................................................................................. 32
4.3抖动衰减器(如果允许在发送路径中) ....................................... ....................... 32
4.4发送诊断模式生成............................................. ....................................... 33
4.4.1线路侧AIS (发送全1) ................................................................................................................... 33
F
IGURE
19. TAOS (T
RANSMIT
A
LL
O
NES
) ...................................................................................................................................... 33
4.4.2 ATAOS (自动传输所有ONES)......................................................................................................... 33
F
IGURE
20. S
IMPLIFIED
B
LOCK
D
的作者IAGRAM
ATAOS F
油膏
............................................................................................... 33
4.4.3线路侧的PRBS / QRSS (伪/准随机比特序列) ................................. ............................... 33
4.5发送诊断模式检测............................................. .......................................... 34
4.5.1 SLOS (系统损耗SIGNAL).......................................................................................................................... 34
4.5.2 SYS_EXLOS (系统信号的扩大的损失) ....................................... .................................................. 34
4.5.3 SAIS (系统告警指示信号) ........................................................................................................ 34
4.6 TRANSMIT脉冲整形器和滤清器............................................ .................................................. ..... 35
4.6.1 T1短途线路扩建( LBO ) ............................................................................................................... 35
4.6.2任意脉冲发生器T1和E1 ........................................ .................................................. ..... 35
F
IGURE
21. A
RBITRARY
P
ULSE
S
EGMENT
A
SSIGNMENT
.................................................................................................................. 35
4.6.3设置寄存器来选择ARIBTRARY PULSE ........................................ ......................................... 36
4.7 DMO (数字显示器输出,线路侧ONLY) ....................................... ....................................... 36
I