參數(shù)資料
型號(hào)： XIB-E
廠商： Digi International/Maxstream
文件頁數(shù)： 36/64頁
文件大?。?/td> 1858K
描述： BOARD INTERFACE ETHERNET
標(biāo)準(zhǔn)包裝： 1
附件類型： 接口板
適用于相關(guān)產(chǎn)品： XStream 和 Xcite 收音機(jī)
XStream"燨EM燫F燤odule?燩roduct燤anual爒5.x00燵2006.02.24]?/DIV>
4.1. Addressing
Each RF packet contains addressing information that is used to filter incoming RF data. Receiving
modules inspect the Hopping Channel (HP parameter), Vendor Identification Number (ID
parameter) and Destination Address (DT parameter) contained in each RF packet. Data that does
not pass through all three network security layers is discarded.
Figure?01. Filtration爈ayers燾ontained爄n爐he燫F爌acket爃eader?/DIV>
 
 
 
 
 
 
 
 
4.1.1. Address Recognition
Transmissions can be addressed to a specific module or group of modules using the DT
(Destination Address) and MK (Address Mask) parameters. The transmitting module dictates
whether the packet is intended for a specific module (local address) or multiple modules (global
address) by comparing the packets DT parameter to its own MK parameter.
Figure?02. Local燩ackets爒s.燝lobal燩ackets?Transmitting燤odule)?/DIV>
TX_DT?燭ransmitter燚estination燗ddress?/DIV>
TX_MK?燭ransmitter燗ddress燤ask?/DIV>
 
Note:燱hen燭X_DT??xFFFF?default),燫F爌ackets燼re爂lobal燼nd燼re?/DIV>
received燽y燼ll爉odules爓ithin爎ange.?Receivers燿o爊ot爏end燗CKs.)?/DIV>
 
 
 
 
 
 
A receiving module will only accept a packet if a packet is addressed to it (either as a global or
local packet). The RX module makes this determination by inspecting the destination address of
the RF packet and comparing it to its own address and mask. The Destination Address of the TX
module is logically ANDed with the Address Mask of the RX module.
Figure?03. Address燫ecognition?Receiving燤odule)?/DIV>
TX_DT?燭ransmitter燚estination燗ddress?/DIV>
RX_DT?燫eceiver燚estination燗ddress?/DIV>
RX_MY?燫eceiver燬ource燗ddress?/DIV>
 
 
 
 
 
 
 
 
NOTE: For more information regarding addressing and masks, refer to Application Note XST-
AN004b. (Located on the MaxStream CD and on the web: www.maxstream.net)
牋牘?006燤axStream,營nc.燙onfidential燼nd燩roprietary?/DIV>
36?/DIV>
相關(guān)PDF資料
PDF描述
XIB-R BOARD INTERFACE RS232/485
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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XIB-U 功能描述:界面模塊 USB interface board 24XStream 9XCite RoHS:否 制造商:4D Systems 產(chǎn)品:Serial Converters 通道/端口數(shù)量: 數(shù)據(jù)速率: 接口類型:USB, UART 工作電源電壓:3.3 V, 5 V 最大工作溫度:
XIC25040 制造商:XIC 功能描述:25040 24HR '6
XILINXPWR-079 功能描述:電源管理IC開發(fā)工具 Pow Mgt Eval Mod for Xilinx FPGAs RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
XILINXPWR-080 功能描述:電源管理IC開發(fā)工具 Pow Mgt Eval Mod for Xilinx FPGAs RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
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