An OT question that I need answered quickly.

Kenazo

Lifer
Sep 15, 2000
10,429
1
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Sorry for posting in OT, I'm at a client's place and need an answer quickly. The networking forum is a little too slow. Mods, please forgive me till I have an answer.

I want to have a female end on one end of a Cat5 cable so I can have a nice outlet to plug a computer into. On the other end I want to have a male end and plug straight into my router.

Do I need to make the male end a Crossover or a straight end? I made it as a normal straight end (B, BW, O, BlW, Bl, OW, G, GW) and it's not working at all when I plug into my router. Interestingly it does work if I go into my Speedstream aDSL modem with it.

My cables running between the female end and the computer are normal straight through cables, not x-overs.

 

Squisher

Lifer
Aug 17, 2000
21,204
66
91
It should just be a straight cable like you have done.

Are you sure you don't have a loose connection and the thing just happened to work when you went into the modem?
 

psiu

Golden Member
Oct 1, 2003
1,629
1
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Just a straight cable with 2 male ends--1 end into router, one into Ethernet port on computer.

Modem <------->Router<-------> Computer

Why do you need:

Modem <-------->Router<-------<<------>Computer? :confused:
 

psiu

Golden Member
Oct 1, 2003
1,629
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Make sure the computer is set for dynamic DHCP, not a static-IP if you have one...and shut everything off. Reboot modem. Start router. Start computer.

:beer: enjoy
 

Cristatus

Diamond Member
Oct 13, 2004
3,908
2
81
Originally posted by: psiu
Just a straight cable with 2 male ends--1 end into router, one into Ethernet port on computer.

Modem <------->Router<-------> Computer

Why do you need:

Modem <-------->Router<-------<<------>Computer? :confused:

Probably a wall jack that he is making, or something
 

Cristatus

Diamond Member
Oct 13, 2004
3,908
2
81
Originally posted by: psiu
Make sure the computer is set for dynamic DHCP, not a static-IP if you have one...and shut everything off. Reboot modem. Start router. Start computer.

:beer: enjoy

dynamic Dynamic Host Configuration Protocol?

:D
 

Kenazo

Lifer
Sep 15, 2000
10,429
1
81
Originally posted by: Squisher
It should just be a straight cable like you have done.

Are you sure you don't have a loose connection and the thing just happened to work when you went into the modem?


Well, it works w/ the modem, so I plugged in my router and modem, tried getting to the router (it's a Dlink) and the computer tells me that it can't reach the DHCP server. So, unless the router uses different wires than the modem does, the wire should be good. It lights up the LED on the router and says it's connected.






Originally posted by: psiu
Just a straight cable with 2 male ends--1 end into router, one into Ethernet port on computer.

Modem <------->Router<-------> Computer

Why do you need:

Modem <-------->Router<-------<<------>Computer? :confused:


The modem and router are in a different room and I wanted to have a wall jack under the desk to plug the computer into, like in an office, just to keep things cleaner.



I was just thinking.... These wall jack plugs have an option A or an Option B for how to punch the wires in, I suppose one way makes the female end into a crossover and the other doesn't. Perhaps the problem is I inadvertantly chose the crossover way on the female end. In which case putting a crossover male end on the other end should turn it back into a straight through cable, right?
 

psiu

Golden Member
Oct 1, 2003
1,629
1
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Originally posted by: logic1485
Originally posted by: psiu
Make sure the computer is set for dynamic DHCP, not a static-IP if you have one...and shut everything off. Reboot modem. Start router. Start computer.

:beer: enjoy

dynamic Dynamic Host Configuration Protocol?

:D

blahblahblah:beer:blahblah:beer:blahblah:beer:blah

I've been busy since getting off of work this afternoon :beer:

I thought something was wrong but was definitely in a brain cell conservation mode at the moment. Can't spare any brain waves....:beer:
 

jagec

Lifer
Apr 30, 2004
24,442
6
81
Originally posted by: logic1485
Originally posted by: psiu
Make sure the computer is set for dynamic DHCP, not a static-IP if you have one...and shut everything off. Reboot modem. Start router. Start computer.

:beer: enjoy

dynamic Dynamic Host Configuration Protocol?

:D

Sort of like how Win2k is "built on NT technology".
 

Cristatus

Diamond Member
Oct 13, 2004
3,908
2
81
Originally posted by: psiu
Originally posted by: logic1485
Originally posted by: psiu
Make sure the computer is set for dynamic DHCP, not a static-IP if you have one...and shut everything off. Reboot modem. Start router. Start computer.

:beer: enjoy

dynamic Dynamic Host Configuration Protocol?

:D

blahblahblah:beer:blahblah:beer:blahblah:beer:blah

I've been busy since getting off of work this afternoon :beer:

I thought something was wrong but was definitely in a brain cell conservation mode at the moment. Can't spare any brain waves....:beer:

LOL, didn't mean it in a bad way, just pointing it out :beer::D:beer:
 

Attrox

Golden Member
Aug 24, 2004
1,120
0
0
Are you sure you didn't make the cable wrong and made a cross over instead of straight thru? I thought some modem need a cross over if plugged in directly into the computer?
 

skyking

Lifer
Nov 21, 2001
22,704
5,824
146
professional setup

switch---patch cable---keystone jack on solid cat 5e punch it down 568B----long cable-----another ketstone jack punched down 568b---patch cable---computer

you can house the keystone jacks in wall plates, surface mounts, whatever.
At the switch, a patch panel is nice but not mandatory, so long as you use a keystone mounted somehow. After all, a patch panel is just a bunch of keystones on a board, nothing more.
Don't just crimp a cable, plug it into the switch, and run it across the place.
Premade patch cables are a buck or less if you by bulk. don't trust your reputation or livelyhood making cables, it is so not worth it.
Making a bad keystone punchdown is far far less likely than making a bad crimp job.
 

jagec

Lifer
Apr 30, 2004
24,442
6
81
Originally posted by: skyking
Making a bad keystone punchdown is far far less likely than making a bad crimp job.

ain't that the truth...that said, I once had a teacher who was getting very intermittant connectivity. I checked the patch cable, checked the TCP settings...nothing. Turned out the "professionals" who had installed the stuff didn't do a very good job. I just had to push one wire in the keystone down a little and problem solved.
 

Kenazo

Lifer
Sep 15, 2000
10,429
1
81
The Keystone jack is what I have on my one end, I had hoped to just have the male crimped end on the switch end since it was only two cables computers that were doing to be networked, but in retrospect going w/ keystone ends on that end and a patch cable would have been
the better route. But, since I've already got this, my cable running into the switch should be a straight through on the male end, right? That seems to be the consensus.

And, if I have accidentally made the keystone as a crossover, then I can just make the male end a crossover too to make the computer straight again, right?
 

skyking

Lifer
Nov 21, 2001
22,704
5,824
146
just be consistent. I never use 568A for anything except making a crossover cable.
if the keystone is punched down "b", crimp the cable end "b".
If you can do it right, come back with a keystone on a suface mount and fix it at the switch.
 

jagec

Lifer
Apr 30, 2004
24,442
6
81
Originally posted by: Kenazo
And, if I have accidentally made the keystone as a crossover, then I can just make the male end a crossover too to make the computer straight again, right?

:Q

I think the pope just had an aneurysm.
 

Phoenix86

Lifer
May 21, 2003
14,644
10
81
This thread is so dirty...

Yes, Kenazo you can double cross-over, but it's only legal in Alabama.

edit: but you're going to piss off then next person who works on that setup that isn't you.
 

Crucial

Diamond Member
Dec 21, 2000
5,026
0
71
The way you listed the color order in the first thread is A type. Make sure the punch down block is also done in the A style. This should alleviate any problems. If it still doesn't work then you connected one of the wires wrong. Take it apart and start over. I like to do everything in B style myself but it really doesn't matter as long as you do them all the same way. Personally I wouldn't do a double crossover ghetto rig. I would start over.

You should not be making anything a crossover. The patch cable is a straight through from the computer to the wall outlet. The wall outlet is traight thru from the wall to the male end. The male end plugs into one of the lan ports of the router. Plug a straight thru patch cable into the Internet port of the router and the rj45 port of the modem.

When one calls it a straight thru it just means the colors should be done the same way on both ends. Either 568A or 568B style.
 

skyking

Lifer
Nov 21, 2001
22,704
5,824
146
Originally posted by: Phoenix86
This thread is so dirty...

Yes, Kenazo you can double cross-over, but it's only legal in Alabama.

edit: but you're going to piss off then next person who works on that setup that isn't you.
What happens when you bring a network question into OT:)
If you are still having problems, remember that the pattern is with the clip facing to you.