proper termination for using homepna only mode application note
pu b lication# 22348 r e v : b amendment/ 0 issue date : april 1999 p r ope r t ermination f or using homepna on l y mode application note figure 1 sh o ws the recommended te r mination resis- tors in homepna mode when the 10base-t ether- net po r t is not used . the te r mination is required to reduce the noise injected ba c k to the pcnet tm -home or homephy tm d e vic e . this noise is created b y the link pulse d r i v en into the open pins of the 10base-t po r t . this implementation also helps to impr o v e the input sensitivity of the homepna po r t. figure 1. homepna mode (10base-t p o r t not connected) the contents of this document are pr o vided in connection with ad v anced micro d e vice s , inc . ("amd") product s . amd ma k es no representations or w arranties with respect to the accuracy or completeness of the contents of this pu b lication and rese r v es the r ight to ma k e changes to speci- ?cations and product desc r iptions at a n y time without notic e . no licens e , whether e xpres s , implied, a r ising b y estoppel or otherwis e , to a n y intel- lectual prope r ty r ights is granted b y this pu b lication . except as set f o r th in amd's standar d t e r ms and conditions of sal e , amd assumes no liability whatso e v e r , and disclaims a n y e xpress or implied w arrant y , relating to its products including, b ut not limited t o , the implied w arranty of merchantabilit y , ?tness f or a pa r ticular pu r pos e , or inf r ingement of a n y intellectual prope r ty r ight . amd's products are not designed, intended, autho r i z ed or w arranted f or use as components in systems intended f or surgical implant into the bod y , or in other applications intended to suppo r t or sustain li f e , or in a n y other application in which the f ailure of amd's product could create a situation where personal inju r y , death, or s e v ere prope r ty or e n vironmental damage m a y occu r . amd rese r v es the r ight to discontinue or ma k e changes to its products at a n y time without notic e . rx- rx+ tx+ tx- hr+ hr- am79c978 or am79c901 hr+ hr- ring tip ctap rj-11 homepna magnetic +3.3 vr 2 k 1 k 50 50 25 102 22348a-1
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