參數(shù)資料
型號(hào): LXT6251A
英文描述: ATM/SONET MAPPER|CMOS|QFP|208PIN|PLASTIC
中文描述: 的ATM / SONET的映射器|的CMOS | QFP封裝| 208PIN |塑料
文件頁數(shù): 39/76頁
文件大?。?/td> 995K
代理商: LXT6251A
21 E1 SDH Mapper
LXT6251A
Datasheet
39
Figure 9. Terminal STM-1 Telecom Bus Timing (
Figure 10. ADM STM-1 Telecom Bus Timing w/ PTSOH=1
STM-1 Receive Telecom Bus Timing
DTBYCK
Input
DTBJ0J1EN
Input
DTBPAYEN
Input
DTBTUGEN
Input DTBTUGEN1 from OHT
MF-IND
J1
J0
Every 4
th
Frame
if enabled
STM-1 Transmit Telecom Bus Timing
MTBYCK
Input
MTBJ0J1EN
Input
MTBDATA
Output
MTBPAYEN
Input
MTBTUGEN
Input MTBTUGEN1 from OHT
J1
J0
Fixed
Stuff
TUG3 1
Fixed
Stuff
TUG3 1
V1
TU 1:1:1
Every 4
th
Frame
if Enabled
MF-IND
Input
DTBDATA
J1
TU 1:1:1
J0
X
X
A2
V1
Fixed
Stuff
VC-4
Fixed
Stuff
VC-4
Fixed
Stuff
TUG 3:3
TU 2:1:1
V1
TU 3:1:1
V1
Fixed
Stuff
TUG3 1
TU 2:7:3 TU 3:7:3
V1
TU 1:2:1
STM-1 Receive Telecom Bus Timing - ADM Master
MTBYCK, DTBYCK
Inputs
DTBJ0J1
Input
DTBPAYEN
Input
DTBTUGEN
Input DTBTUGEN1 from OHT
MF-IND
J1
J0
Every 4
th
Frame
if enabled
MTBJ0J1EN
Output
Output
PTSOH = 1
PTTUGx as Above
PTTUGA
Input DTBTUGEN2 from OHT
MTBPAYEN
Output
J1
J0
Every 4
th
Frame
if enabled
3 t
CYC
PassThrough
Delay
PTTUGB
Input DTBTUGEN3 from OHT
STM-1 Transmit Telecom Bus Timing
MF-IND
MTBDATA
J1
J0
X
X
A2
Fixed
Stuff
VC-4
Fixed
Stuff
VC-4
Fixed
Stuff
TUG3 1
TU 2:7:3 TU 3:7:3
A2
A2
A1
TU 3:1:1 TU 1:2:1
DTBDATA
Input
J1
TU 2:2:1
J0
X
X
A2
Fixed
Stuff
VC-4
Fixed
Stuff
VC-4
TU 3:2:1
TU 3:1:1
Fixed
Stuff
TUG3 1
TU 2:7:3 TU 3:7:3
TU 1:2:1
TU 1:3:1
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