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Ethernet Cable, Crossover/Straight Through?

post #1 of 10
Thread Starter 
Hey everyone, I'm tired of my wifi usb dongle dropping connection all the time. So its time to just run a cable from my cable modem to the back of my rig.

Ive been doing some reading and keep coming across references of ethernet cables being crossover cables or straight through cables. From what i read, a crossover cable is for connecting multiple like devices on a network and a straight through cable is to connect the pc to a modem. Am i correct in that?

My next question is how do i know which cables are which? Does it specifically say on the product package which type it is? What if it doesnt say anything on the package? Ive also read their not interchangable, right?

I need about a 50' span to get from my room to the living room where the modem is. will it matter whether the cable is cat5, 5e, or 6?
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post #2 of 10
straight thru is what you need as your connecting your PC to a switch which is contained in the modem/router.. i would run at min CAT5e thumb.gif

to check the cable you compare the wiring to each pin if there is no name on the package
http://www.mcmelectronics.com.au/EthernetCableConnection.htm

anyway, nowadays most cables sold would be straight thru
Edited by stubass - 11/14/12 at 4:31pm
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post #3 of 10
Nearly all modern consumer grade devices have auto MDI/MDIX so you really shouldn't have to worry about it.
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post #4 of 10
Quote:
Originally Posted by beers View Post

Nearly all modern consumer grade devices have auto MDI/MDIX so you really shouldn't have to worry about it.

i was trying to think of Auto-MDIX and Auto-MDI but forgot the terminology redface.gif
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post #5 of 10
Thread Starter 
awesome, thanks for the super quick responses. My next question....between the two types, would there be a performance difference if it turned out to be a crossover cable? Or if there was a compatibility issue would it just straight up not work?
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post #6 of 10
No performance difference.

The Intel 82583V onboard NIC for our boards supports MDI/MDIX.

If the ends were terminated incorrectly (transmit wire to transmit wire) the cable would simply fail to work.
Crossover cables exist due to the pinout of transmit and receive wires for various ethernet interfaces.
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post #7 of 10
Thread Starter 
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post #8 of 10
Quote:
Originally Posted by mwl5apv View Post

awesome. thanks! ill pick one up when im at work tomorrow.

http://www.homedepot.com/h_d1/N-25ecodZ5yc1v/R-100356935/h_d2/ProductDisplay?catalogId=10053&langId=-1&keyword=ethernet&storeId=10051#.UKRCrYe5NVt

reasonable price?

to me it looks like a reasonable price for a pre-made 50' patch cable..
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Going to be chaep
(16 items)
 
Wife's Rig
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CPUMotherboardGraphicsRAM
i7-3770k Gigabyte GA-Z77X-UP5 TH MSI GTX460 G.Skill TridentX 2400 2 x 4GB 
Hard DriveHard DriveOptical DriveCooling
Plextor M5p 128GB 2 x WD 500GB Blues LG Prolimatech Megahalems Rev C 
CoolingOSMonitorPower
Arctic F12 CO PWM x 2 Push/Pull Windows 7 64 bit Ultimate LG IPS235V Corsair AX850 
Case
Coolermaster HAF 912 advanced (Asia version) 
CPUMotherboardGraphicsRAM
I5-3570K Gigabyte Z68X-UD3H-B3 Inno3D Ichill GTX660 8GB G.Skill RipjawsX 1600 
Hard DriveHard DriveOptical DriveCooling
Samsung 830 128GB WD black 500GB Liteon Coolermaster Hyper 212+ EVO 
OSMonitorPowerCase
Win 7 ultimate Samsung Syncmaster 932gwe+ OCZ ZT series 550W Coolermaster 410 
CPUMotherboardRAMHard Drive
1.67Ghz Atom stock 1GB DDR2 2 x 500GB Western Digital Cavier Blacks [RAID 1] 
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stock DSM3.2 [built on linux] stock stock 
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post #9 of 10
Thread Starter 
thanks all for replying!

+rep thumb.gif
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Optical DriveCoolingOSMonitor
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My System
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CPUMotherboardGraphicsRAM
FX 8350 Asus Crosshair V Formula EVGA GTX 770 SC ACX 8Gb Corsair Vengeance Pro 1866 
Hard DriveHard DriveHard DriveHard Drive
Plextor M5S 128Gb(OS) Plextor M5S 256Gb(RAID0) Plextor M5S 256Gb(RAID0) Western Digital Cavair Green 2Tb 
Optical DriveCoolingOSMonitor
ASUS 24x DVD RW Corsair H80i Windows 7 64-bit LG 24MP56HQ-P IPS 
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post #10 of 10
http://www.amazon.com/RiteAV-Network-Ethernet-Office-Product/dp/B000V0IE6G/ref=sr_1_2?ie=UTF8&qid=1352943967&sr=8-2&keywords=100ft+cat5e

I always buy Ethernet cables from Amazon. Same goes for HDMI cables.
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