參數(shù)資料
型號(hào)： XRT75L06DIB
廠商： EXAR CORP
元件分類(lèi)： 數(shù)字傳輸電路
英文描述： SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
中文描述： DATACOM, PCM TRANSCEIVER, PBGA217
封裝： 23 X 23 MM, BGA-217
文件頁(yè)數(shù)： 74/103頁(yè)
文件大小： 679K
代理商： XRT75L06DIB
xr
REV. 1.0.4
XRT75L06D
SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
70
consecutive STS-1 frames. Figure 49 presents an illustration of an STS-1 SPE straddling across two
consecutive STS-1 frames.
A PTE that is receiving and terminating an STS-1 data-stream will perform the following tasks.
It will acquire and maintain STS-1 frame synchronization with the incoming STS-1 data-stream.
Once the PTE has acquired STS-1 frame synchronization, then it will locate the J1 byte (e.g., the very byte
within the very next STS-1 SPE) within the Envelope Capacity by reading out the contents of the H1 and H2
bytes.
The H1 and H2 bytes are referred to (in the SONET standards) as the SPE Pointer Bytes. When these two
bytes are concatenated together in order to form a 16-bit word (with the H1 byte functioning as the "Most
Significant Byte") then the contents of the "lower" 10 bit-fields (within this 16-bit word) reflects the location of
the J1 byte within the Envelope Capacity of the incoming STS-1 data-stream. Figure 50 presents an
illustration of the bit format of the H1 and H2 bytes, and indicates which bit-fields are used to reflect the
location of the J1 byte.
F
IGURE
49. A
N
I
LLUSTRATION
OF
AN
STS-1 SPE
STRADDLING
ACROSS
TWO
CONSECUTIVE
STS-1
FRAMES
TOH
STS-1 FRAME N
STS-1 FRAME N + 1
J1 Byte (1
st
byte of SPE)
J1 Byte (1
st
byte of next SPE)
H1, H2
Bytes
SPE can straddle across two STS-1 frames
相關(guān)PDF資料
PDF描述
XRT75L06 SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75L06IB SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75R03D THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER
XRT75R03DIV THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER
XRT75R03 THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT75L06DIB-F 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 6-Ch DS3, E3, STS-1 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
XRT75L06ES 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 6 CHT3/E3/STS1 LIU+JA 3.3V 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
XRT75L06IB 功能描述:接口 - 專(zhuān)用 6CH E3/DS3/STS1 LIU+Jitter Attenuato RoHS:否 制造商:Texas Instruments 產(chǎn)品類(lèi)型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
XRT75L06IB-F 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 6-Ch DS3, E3, STS-1 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
XRT75R03 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
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