A06B-6141-H015#H580發(fā)那科詢價(jià)

A06B-6141-H015#H580

4、若未發(fā)現(xiàn)沖突則發(fā)送成功，所有計(jì)算機(jī)在試圖再一次發(fā)送數(shù)據(jù)之前 ，必須在最近一次發(fā)送后等待9.6微秒（以10Mbps運(yùn)行）。 幀結(jié)構(gòu) 以太網(wǎng)幀的概述： 以太網(wǎng)的幀是數(shù)據(jù)鏈路層的封裝，網(wǎng)絡(luò)層的數(shù)據(jù)包被加上幀頭和幀尾成 為可以被數(shù)據(jù)鏈路層識別的數(shù)據(jù)幀（成幀）。雖然幀頭和幀尾所用的字 節(jié)數(shù)是固定不變的，但依被封裝的數(shù)據(jù)包大小的不同，以太網(wǎng)的長度也 在變化，其范圍是64～1518字節(jié)（不算8字節(jié)的前導(dǎo)字）。 沖突/沖突域

A06B-6141-H015#H580

聯(lián)系人：郭先生
聯(lián)系電話：18971415643《優(yōu)先》
座機(jī)：027-83238871
傳真：207-61537051
QQ：810334512《優(yōu)先》

A06B-6141-H015#H580

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