Sorry, the formatting went haywire in my earlier post. This is for a PC-to-PC connection, without a hub. Connector1 Connector2 1 - Orange+White - 3 2 - Orange - 6 3 - Blue+White - 1 4 - Green+White - 4 5 - Green - 5 6 - Blue - 2 7 - Brown+White - 7 8 - Brown - 8 Regards, Anand Dhuru > > > ----- Original Message ----- > From: "john chung" > > > To: > Sent: Monday, March 29, 2004 9:49 AM > Subject: Re: [OT:] Serious network problem > > > > Wrong pairing? Do you mean the order of the wire must follow the exact > > specification > > of cat 5e? I always believe that all the wire electrical characteristics > > are equal? > > > > here is the order of wire for my network cable > > > > 1st jack > > 1)white + orange > > 2)orange > > 3)white +green > > 4)blue > > 5)blue + white > > 6)green > > 7)white + brown > > 8)brown > > > > 2nd jack > > 1)white + orange > > 2)orange > > 3)white +green > > 4)blue > > 5)blue + white > > 6)green > > 7)white + brown > > 8)brown > > > > > > > > John > > > > > > > > Anand Dhuru wrote: > > > > >>3. If connection is right, likely the twist pair is wrong. You need to > > >> > > >> > > >have > > > > > > > > >>the twisting right, else the noise-effect of long cable would become a > > >>problem. This caught me, once or twice. > > >> > > >> > > >> > > >>>the floor's switch located in the server room. *The cable tested okay > > >>>for connectivity when using a > > >>>multimeter * > > >>> > > >>> > > >>> > > > > > >This does indeed indicate a wrong pairing. Electrically (from a DC > > >viewpoint) if the cable is as per specs, and yet does not work reliably, > it > > >*must* be the pairing. Also, if you have crimped the ends yourself, make > > >sure the twisting is intact right upto the point the cable enters the > RJ45 > > >plug. > > > > > >Regards, > > > > > >Anand Dhuru > > > > > > > > > > > >--- > > >Outgoing mail is certified Virus Free. > > >Checked by AVG anti-virus system (http://www.grisoft.com). > > >Version: 6.0.601 / Virus Database: 382 - Release Date: 29-Feb-04 > > > > > >-- > > >http://www.piclist.com hint: The list server can filter out subtopics > > >(like ads or off topics) for you. See http://www.piclist.com/#topics > > > > > > > > > > > > > -- > > http://www.piclist.com hint: The list server can filter out subtopics > > (like ads or off topics) for you. See http://www.piclist.com/#topics > > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.601 / Virus Database: 382 - Release Date: 29-Feb-04 > > -- > http://www.piclist.com hint: The PICList is archived three different > ways. See http://www.piclist.com/#archives for details. --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.601 / Virus Database: 382 - Release Date: 29-Feb-04 -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.