參數(shù)資料
型號： XRT83VSH28IB-F
廠商： Exar Corporation
文件頁數(shù)： 31/75頁
文件大?。?/td> 0K
描述： IC LIU SH E1 OCTAL 225BGA
標準包裝： 84
類型： 線路接口裝置（LIU）
驅動器/接收器數(shù)： 8/8
規(guī)程： T1，E1，J1
電源電壓： 3.14 V ~ 3.47 V
安裝類型： 表面貼裝
封裝/外殼： 225-BGA
供應商設備封裝： 225-BGA（19x19）
包裝： 托盤
其它名稱： 1016-1482
XRT83VSH28IB-F-ND
XRT83VSH28
34
REV. 2.0.0
8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
4.2
Line Card Redundancy
Telecommunication system design requires signal integrity and reliability. When an E1 primary line card has a
failure, it must be swapped with a backup line card while maintaining connectivity to a backplane without losing
data. System designers can achieve this by implementing common redundancy schemes with the
XRT83VSH28 LIU. EXAR offers features that are tailored to redundancy applications while reducing the
number of components and providing system designers with solid reference designs.
RLOS and DMO
If an RLOS or DMO condition occurs, the XRT83VSH28 reports the alarm to the individual status registers on a
per channel basis. However, for redundancy applications, an RLOS or DMO alarm can be used to initiate an
automatic switch to the back up card. For this application, two global pins RLOS and DMO are used to indicate
that one of the 8-channels has an RLOS or DMO condition.
Typical Redundancy Schemes
1:1 One backup card for every primary card (Facility Protection)
1+1 One backup card for every primary card (Line Protection)
N+1 One backup card for N primary cards
4.2.1
1:1 and 1+1 Redundancy Without Relays
The 1:1 facility protection and 1+1 line protection have one backup card for every primary card. When using
1:1 or 1+1 redundancy, the backup card has its transmitters tri-stated and its receivers in high impedance. This
eliminates the need for external relays and provides one bill of materials for all interface modes of operation.
For 1+1 line protection, the receiver inputs on the backup card have the ability to monitor the line for bit errors
while in high impedance. The transmit and receive sections of the LIU device are described separately.
4.2.2
Transmit Interface with 1:1 and 1+1 Redundancy
The transmitters on the backup card should be tri-stated. Select the appropriate impedance for the desired
mode of operation. A 0.68uF capacitor is used in series with TTIP for blocking DC bias. See Figure 23. for a
simplified block diagram of the transmit section for a 1:1 and 1+1 redundancy.
FIGURE 23. SIMPLIFIED BLOCK DIAGRAM OF THE TRANSMIT INTERFACE FOR 1:1 AND 1+1 REDUNDANCY
E1 Line
Backplane Interface
Primary Card
Backup Card
XRT83VSH28
Tx
0.68uF
Internal Impedence
1:2
XRT83VSH28
Internal Impedence
相關PDF資料
PDF描述
MS3102R20-18S CONN RCPT 9POS BOX MNT W/SCKT
MAX1031BETI+ IC ADC 10-BIT 300KSPS 28-TQFN-EP
VI-J1Z-MW-F4 CONVERTER MOD DC/DC 2V 40W
LTC2846CG#PBF IC TXRX 3.3V MULTIPROTCOL 36SSOP
VE-2TH-IW-F4 CONVERTER MOD DC/DC 52V 100W
相關代理商/技術參數(shù)
參數(shù)描述
XRT83VSH28IB-F 制造商:Exar Corporation 功能描述:T1/E1 LIU IC
XRT83VSH314 制造商:EXAR 制造商全稱:EXAR 功能描述:14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83VSH314ES 功能描述:外圍驅動器與原件 - PCI 14 CHT1/E1LIUSH LOW COST VERSION RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT83VSH314IB 功能描述:接口 - 專用 14 CH, SH T1/E1 1.8V DGTL/3.3V ANLG RoHS:否 制造商:Texas Instruments 產(chǎn)品類型: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 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59
XRT83VSH314IB-F 功能描述:外圍驅動器與原件 - PCI 14 Channel Short-Haul RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格: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。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*