參數(shù)資料
型號: XRT94L31_07
廠商: Exar Corporation
英文描述: 3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
中文描述: 3通道DS3/E3/STS-1給STS-3/STM-1映射器集成電路
文件頁數(shù): 121/133頁
文件大?。?/td> 1014K
代理商: XRT94L31_07
XRT94L31
121
REV. 1.0.1
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
N
OTE
:
The values for t21 and t22 can be found in
Table 25
.
1.8
TRANSMIT SECTION DCC INSERTION INPUT PORT
The Transmit Section DCC Insertion Input Port provides a dedicated port for the user to insert his/her own
value for the D1, D2 and D3 bytes within the outbound STS-3/STM-1 data-stream. The user should note that
the TxSDCC input pin is sampled (by the Transmit Section DCC Insertion Input Port) upon the rising edge of
TxTOHClk. The TxSDCCEnable output signal is updated upon the falling edge of TxTOHClk. The timing
wave-form and information for the Transmit Section DCC Insertion Input Port is presented below.
F
IGURE
24. I
LLUSTRATION
OF
THE
T
IMING
W
AVE
-
FORM
OF
THE
T
RANSMIT
O
RDER
-W
IRE
B
YTE
O
VERHEAD
I
NPUT
P
ORT
T
ABLE
25: T
IMING
I
NFORMATION
FOR
THE
T
RANSMIT
O
RDER
-W
IRE
B
YTE
O
VERHEAD
I
NPUT
P
ORT
S
YMBOL
D
ESCRIPTION
M
IN
.
T
YP
.
M
AX
.
t21
Falling edge of TxTOHClk to rising edge of TxE1F1F2Enable and
TxE1F1F2Frame
-0.5ns
0ns
t22
TxE1F1F2 Data to rising edge of TxTOHClk set-up time
4ns
TxE1F1E2
TxTOHClk
TxE1F1E2Fr
TxE1F1E2Enb
t21
t22
相關(guān)PDF資料
PDF描述
XRT94L31 3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER
XRT94L31IB 3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER
XRT94L43A SONET/SDH OC-12 TO 12XDS3/E3 MAPPER
XRT94L43 SONET/SDH STS-12/STM-4 TO E3/DS3/STS-1 MAPPER/DEMAPPER
XRT94L43IB SONET/SDH STS-12/STM-4 TO E3/DS3/STS-1 MAPPER/DEMAPPER
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