网线内共有8根芯线, 请问接入互联网最少需要其中几根线? 通常需要几根线?

2025-02-22 20:34:59
推荐回答(5个)
回答1:

网线8线1236重要。

网络线8根线一般只使用1、2、3、6个数字的核心线来传输数据,即发送1、2、接收3、6。

4578是待机线,1236有故障会自动切换到4578。如果4578连接不正确,结果将是当1236之一出现问题时,网络将被破坏,因为没有备用线路。

扩展资料:

把水晶头金属片对着你(背面小尾巴,朝下),从左到右(颜色12345678):

EIA/TIA568A标准:绿白、绿、橙白、蓝、蓝白、橙、棕白、棕。

EIA/TIA568B标准:橙白、橙白、绿白、蓝、蓝白、绿、棕白、棕。

根据568A和568B标准,rj-45接头(俗称水晶头)的每个触点在网络连接中起传输信号的作用:1、2发、3、6收、4、5、7、8为双向线路;对于与之相连的双绞线,为了减少相互干扰,标准要求1、2必须是双绞线。

3、6也必须是双绞线,4、5是相互绞线,7、8是相互绞线。这样两种标准实际上在568a和568b之间并没有本质的区别,只是连接rj45-当8对双绞线的顺序排列不同时,更适用于实际网络建设中的标准。

回答2:

10/100M的网卡用其中的4根就可以了,组成2根发送,2根接收。但如果你的网络支持1000M或者你的网卡是1000M的,那么就必须用所有的8根线了。当然1000M网络对线的质量有更高的要求,用超五类线做1000M数据线长度最好不要超过15米,超六线就没问题了。

1、用电工的方式延长网线方法不可取,这样做可能网线不能通讯。延长网线的方法可以用直通,或者用模块。直通便宜,两头通的那种,一边做一个水晶头接上就可以了。

2、接线方法,把四根线,颜色记住,插入水晶头的1\2\3\6口,并用压线工具压下,没有工具用平口工具下压也可,两头的线颜色对上就可是以了。总之100M的网络用四根线就可以完整通讯了,两根接收数据,两根发数据。

回答3:

1236

1:晕,你小子也真够省的.这种办法都想的出来.不得不佩服. 但是我可以明确的告诉你,你为了省下一根电话线.将来会吃很多苦.什么网络不通,断线,速度狂慢...等.等. 非暂时,万不得已,不可用之.
2:可以按电工方式连接.但你不能保证每根线都接的很好.所以建议去买接线模块.
3:HUB 水晶头

总之,在这方面花不了多少钱. 只是不知道你所谓的电信和网络两家的事情具体是什么事情.才让你想这些歪脑筋.

建议换根好点的线吧. 试着把好线和差线绑在一起,一边拖一边进.
实在不行,就走明线,线布漂亮点.也不会太难看的.

回答4:

1,2,3,6
通常2种顺序
568A:白绿:绿:白橙:兰:白兰:橙:白棕:棕
568B:白橙:橙:白绿:兰:白兰:绿:白棕:棕

其中8根线都有定义,只用这四根只能保证3类10M的速度,超5类如果其中有问题,可能不通过,6类绝对不通过

回答5:

4跟。看你的情况,最好还是重新做一下头子,用网线的水晶头做,不要接,否则到时候回有莫名其妙的断网等事情发生。

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