- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄376462 > XRT75R06D (Exar Corporation) SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER PDF資料下載
參數(shù)資料
| 型號： | XRT75R06D |
| 廠商： | Exar Corporation |
| 英文描述： | SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER |
| 中文描述： | 六通道E3/DS3/STS-1線路接口單元與SONET DESYNCHRONIZER |
| 文件頁數(shù)： | 65/105頁 |
| 文件大?。?/td> | 591K |
| 代理商： | XRT75R06D |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁當(dāng)前第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁第86頁第87頁第88頁第89頁第90頁第91頁第92頁第93頁第94頁第95頁第96頁第97頁第98頁第99頁第100頁第101頁第102頁第103頁第104頁第105頁
á
SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75R06D
REV. 1.0.0
60
Telcordia GR-253-CORE's recommendation on mapping DS3 data into an STS-1 SPE
An STS-1 frame is a data-structure that consists of 810 bytes (or 6480 bits). A given STS-1 frame can be
viewed as being a 9 row by 90 byte column array (making up the 810 bytes). The frame-repetition rate (for an
STS-1 frame) is 8000 frames/second. Therefore, the bit-rate for an STS-1 signal is (6480 bits/frame * 8000
frames/sec =) 51.84Mbps.
A simple illustration of this SONET STS-1 frame is presented below in Figure 40.
Figure 40 indicates that the very first byte of a given STS-1 frame (to be transmitted or received) is located in
the extreme upper left hand corner of the 90 column by 9 row array, and that the very last byte of a given STS-
1 frame is located in the extreme lower right-hand corner of the frame structure. Whenever a Network Element
transmits a SONET STS-1 frame, it starts by transmitting all of the data, residing within the top row of the STS-
1 frame structure (beginning with the left-most byte, and then transmitting the very next byte, to the right). After
the Network Equipment has completed its transmission of the top or first row, it will then proceed to transmit the
second row of data (again starting with the left-most byte, first). Once the Network Equipment has transmitted
the last byte of a given STS-1 frame, it will proceed to start transmitting the very next STS-1 frame.
The illustration of the STS-1 frame (in Figure 40) is very simplistic, for multiple reasons. One major reason is
that the STS-1 frame consists of numerous types of bytes. For the sake of discussion within this data sheet,
the STS-1 frame will be described as consisting of the following types (or groups) of bytes.
The Transport Overheads (or TOH) Bytes
The Envelope Capacity Bytes
8.2.1.1.1
The Transport Overhead (TOH) Bytes
The Transport Overhead or TOH bytes occupy the very first three (3) byte columns within each STS-1 frame.
Figure 41 presents another simple illustration of an STS-1 frame structure. However, in this case, both the
TOH and the Envelope Capacity bytes are designated in this Figure.
F
IGURE
40. A S
IMPLE
I
LLUSTRATION
OF
THE
SONET STS-1 F
RAME
STS-1 Frame (810 Bytes)
90 Bytes
9 Rows
First Byte of the STS-1 Frame
Last Byte of the STS-1 Frame
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRT75R06DIB | SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER |
| XRT75R06 | SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT75R06IB | SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR |
| XRT75R12D | TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER |
| XRT75R12DIB | TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT75R06DES | 功能描述:時鐘合成器/抖動清除器 RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
| XRT75R06DIB | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 6CH E3/DS3/STS1 LIU w/DeSynch RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| XRT75R06DIB-F | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 6 Channel 3.3V-5V temp -45 to 85C RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| XRT75R06ES | 功能描述:時鐘合成器/抖動清除器 6CH T3/E3/STS1LIU+JA 3.3V W/REDUNDANCY RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel |
| XRT75R06IB | 功能描述:外圍驅(qū)動器與原件 - PCI 6CH E3/DS3/STS1 LIU+Jitter Attenuato RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。