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4
votes
1answer
103 views

Very strange networking issue

Sorry for the vague title, but I can't really describe it more succinctly. A friend of mine (who is also an electrician) put in some data ports throughout my house - one in the lounge, one in the ...
1
vote
0answers
67 views

Why did a ethernet connection work despite wrong wiring (3 out of 4 wires were correct)?

I've got a bit of a tricky question (or more like curious problem), I wonder why a network connection with wrong wiring actually worked: We needed a new network cable from a consumer-grade ...
2
votes
3answers
404 views

straight through cable or crossover cable between router and pc?

When I studied for the CCNA, I learned which devices should be connected using a straight through cable and which using a crossover cable. For example take this explanation for question one from a ...
0
votes
1answer
58 views

will any usb extension cord work with usb3? [duplicate]

I know that with 1gbit ethernet 100mbit ethernet cables won't work. You have to use cables designed for 1gbit. What about with USB3? If I have a ten year old USB extension cable (ie. one that was ...
0
votes
1answer
58 views

Why do hubs and switches receive on pins 1 and 2 and transmit data through pins 3 and 6 of their cable?

Is there any reason they couldn't have been made to use the same pins as NICs and routers for transmitting and receiving? I had trouble finding any information about this through Google, so I hope you ...
0
votes
1answer
51 views

Cat5E UTP transmission speed

As I have understood Cat5E FTP (STP) cables support up to 1000mbps transmission rate. But I have seen them in stores that describe them of being capable of only 155mbps trx. Do both kinds exist? Or ...
0
votes
2answers
117 views

Large amount of packet loss with new network setup - cables or switches ?

I'm struggling after making some network changes to my home - I have a large amount of packet loss in the new setup from hosts on the ground floor and 1st floor to hosts on the internet. I recently ...
3
votes
1answer
369 views

Only 100mbps on cat. 6 cable?

I moved to a FTTH offer and now my local network is the bottleneck. 6 months ago, an electrician pulled a cable between the box and my office (less than 64 ft). On the cable it's written it's cat 6. ...
0
votes
2answers
82 views

PC connecting on the middle of ethernet cable

I have a 4-5 meter long UTP cable from my router to a wall socket (socket A) which works fine. Original setup: 4-5 meter cable Router ------------------- Socket A The ...
11
votes
4answers
4k views

Wrong order in CAT5 cabling — does it matter?

I've got in-wall CAT5 wiring in my house. The wall sockets were done by an electrician and the requirement was straight-through T-568B, but I think he got it wrong. When I use a cheap cable tester, I ...
4
votes
3answers
1k views

Is there a difference between LAN cable connecting two PCs and one connecting a PC to a router?

I went to a computer store to buy a LAN(Ethernet) cable and they asked me whether I want to connect two PCs or a PC to a router. I used to do both using same cable and it worked for me till I lost the ...
0
votes
1answer
83 views

UTP Patch box for on a desk

I want some UTP cabling from a cabinet terminated on a desk, much like a patch panel in a 19" rack. But since it is on a desk, and no 19" rack is available there, I was wondering if there were ...
0
votes
1answer
177 views

Why are Cat6 wires terminated the way they are?

Whenever it comes time to terminate Cat6 lines into an RJ-45 connector, there is an expected way of lining up the colors in each end. This differs somewhat between Cat5 and Cat6 but the principle ...
0
votes
2answers
190 views

utp cable software debugging

I'm trying to set up a small Ethernet network at home. Basically I have two rooms wired to a router through CAT5E cables. After putting on the R45 jacks all I got is orange light blinking next to the ...
1
vote
2answers
4k views

How can I extend my usb keyboard/mouse by 15m or troubleshoot my existing attempt?

USB max length is apparently 5m. At the moment, I have a 5m usb cable, and on the end of it my keyboard. My keyboard has an internal 1 port usb hub, which I have plugged my mouse into. This setup ...
0
votes
1answer
125 views

Message now reads: No signal coming from computer

When I power on, my monitor reads: No signal coming from computer. Then the monitor enters Power save mode. The computer is non-responsive and it also beeps every 5 seconds.
1
vote
1answer
75 views

What to expect in permanent installations of ethernet cable

In my line of work I recently encountered someone who had a DHCP problem, but only with certain hardware and only via certain cables. The cables that we found out caused the problems were in the walls ...
0
votes
2answers
161 views

What's the name for the connector at the back of a Ethernet face plate?

I want to know what is the correct name for the connector below as I have bought face plates but they didn't have these connectors with them so I want to purchase them. I can't find out where to get ...
2
votes
1answer
426 views

Can a broken ethernet cable give link but no ip?

I'm just wondering what the structure is here. Can an ethernet cable give link and seemingly work fine, but cause problems with DHCP traffic between two nodes? One part of me is thinking that link ...
5
votes
3answers
5k views

Can I use a single CAT-6 UTP cable for both LAN and telephone which is controlled by PABX system?

At my office, we do use telephone which is controlled by PABX system. I want to provide LAN and telephone connection to a user through a single CAT-6 UTP cable. I know that wires 1, 2, 3 & 6 of ...
7
votes
1answer
435 views

What to specify for 10G Ethernet installation for new building?

I'm buying a house which I intend to live in for a couple of decades. The house is not complete yet, so now is a good time to specify modifications. It looks to me like it's worthwhile to wire the ...
1
vote
2answers
3k views

Is there a performance difference between Cat5 and Cat6 keystone blocks?

I'm going to be wiring my home for ethernet soon, and I've already decided that I want to use Cat6 cable to do it (faster speeds, better performance, etc). During the installation, I'd like to add ...
8
votes
3answers
11k views

Can I use CAT6 cable in a CAT5e environment? (switches / patch panels)

I am about to put in some new cabling for my new home office and am considering future proofing things a little. So, I'm wondering whether I should run CAT6 cable instead of the CAT5e I have in the ...
3
votes
1answer
358 views

Are crossover and straight network cables interchangeable?

Can a crossover cable be used as a normal cable too, when using with a router, switch,hub etc. What situations may it not work in and are there other issues to be aware of when using crossover versus ...
7
votes
10answers
2k views

How Can I Connect Two Sets of Computers Within My Home Office So There's No Cables On the Floor?

I have a group of five computers at one end of my home office and another group of four computers across the same room. All are hardwired on the same internal network. These cannot be consolidate or ...
4
votes
3answers
2k views

Pulling Cable In Existing Home — Advice? [closed]

My wife and I have just purchased a new home (built in 1999) and will be moving in after Christmas. I am considering hiring someone to pull network cabling throughout the whole house. I am going to ...
0
votes
0answers
2k views

Tool to map network cabling between patch panels and switches

I'm planning a switch from the spaghetti wiring of my current networking rack to an organized cut-to-length system. I'd really like to plan ahead as much as possible. The best way I can imagine doing ...
1
vote
4answers
104 views

Best Solution for a Printer Specifically for Visitors

In our conference room there isn't much space for cabling all we have is easy access to ethernet ports. The HP printer is not wireless. I was wondering what the best discrete solution would be other ...
2
votes
4answers
579 views

internet data through copper cable resistance impedance, diameter, skin effect, standing waves

Would someone explain whether using two pairs (four cables) stripped out of CAT 5, as opposed to one pair (2 single cables) for DSL connection, (from the box on the house to home, essentially ...
4
votes
7answers
9k views

CAT-6 Cable: What Speeds Should I Be Expecting?

I've just ran a CAT-6 cable throughout my house. I've terminated both my ends using a CAT-6 patch panel and a CAT-6 keystone jack. I've put two computers on either end (Macbook Pro 13"; I believe ...