Router with 4 pin connectors

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sw201301

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Sep 1, 2013
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I bought a DLINK DIR-600L wireless router for my daughter's dorm room. It turns out the router only has 4 pins in each Ethernet port, and the cable they included only has 4 wires (2 twisted pair). When she connects this router to the port in her dorm room, it disables the port (the campus IT person has to come out and re-enable the port). I have only ever seen 8 pins/wires before. Is this what manufacturers are doing to save money these days? In any case, I need to buy her a new router. What do I look for to make sure it has the necessary 8 pins? The campus runs a 100MB network, so I don't see the need to buy a Gigabit capable router.

Thanks!
Stuart (sw201301).
 
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noidea_77

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Jul 28, 2012
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And the 100MB network is the reason, why there are only 4 pins. Only gigabit ethernet needs all 8 pins. There must be another reason for the disabled port and i guess any other router will do the same. Do you connect the router to a LAN or the WAN port? If it is a standard 100mbit LAN, connect it to a LAN port of the router and disable the modem part.
 
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sw201301

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Sep 1, 2013
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I have read some other postings about networks needing all of the wires for terminating connections, etc., so maybe the campus network is particularly sensitive to this. When my daughter hooked up her computer directly to the dorm room port, it connected just fine. After hooking up the router, it was disabled. I had been using the router for the previous couple of weeks at home without any problems. Since you asked about which router port was connected to the campus connection, it was the LAN port (their requirement), with DHCP disabled.
 
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noidea_77

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No, there are no magic additional pins needed. 4 pins for a standard 100mbit ethernet, that's it. But you should check, if ar router is allowed on the campus net. It might be not. And why didn't the IT guy tell you what in particular disabled the port?
 
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sw201301

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Well, that's just it. The IT guy said 4 pins meant a really old router (even though I just bought it) and told my daughter not to connect it again. After he enabled it, the port was working directly connected to her computer. She connected the router again after I told her I didn't believe that could be the problem. But, the port became disabled again and now she has to wait for the IT guy again. I told her to just buy a router on campus because I couldn't tell what router would come with 8 pins (unless I buy her a Gigabit router, which would be unnecessary).
 
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