Questions tagged [cabling]

Cabling is the activity of planning how to install cables and wiring for electrical and optical systems and the activity of actually installing cables, wiring, patch panels, racks, and other equipment and facilities for routing and managing physical cables, both power cables and information/data cables. This tag can be used for questions as to the design of wiring infrastructure including physical management and electrical environment and safety.

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1answer
30 views

Just found this unmarked HDMI female-to-male HDMI “patch”-style cord

It's only my wife and I in our house (two years now) and we don't regularly have any guests over. My wife isn't super tech-literate and doesn't make any purchases on household electronics, and I ...
13
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1answer
2k views

Can you run PoE Cat6 alongside standard Cat6 cables?

I need PoE for some devices (CCTV cameras, WiFI Access Points) - can these wires be run in parallel with Cat6 cables going to non PoE devices (e.g. datapoints of PC) Cat6 HDBaseT Cables being used ...
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0answers
39 views

Ethernet cable issue

Need some wisdom! Recently refurbished my house, so took advantage of the building work to lay cat 6 cables everywhere. Before all the work was completed I tested the each cable and they were all fine,...
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0answers
105 views

Krone vs 110 style punch-down tool / patch panel

I recently discovered there is a difference between 110 and krone blocks. When trying to use an (old) cheap model krone style punchdown tool on a patch panel in my new premises I found it very ...
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1answer
28 views

Router to router connection failing, long cable

Here is the scenario: Router 1 is plugged in to a modem in its "wide area network" (WAN) port. I connect one of Router 1's "local area network" (LAN) ports to Router 2's WAN port via a very long CAT ...
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1answer
22 views

Cabling between inverter and single board computer

I'd like to interface an inverter with Gateworks GW5220. The inverter has an RS232 port shown below and GW5220 has a 5-pin RS232 Serial interface. The GW5220 serial connector is labeled as follows: ...
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1answer
86 views

How to setup home network with two routers (or “to not waste superb WiFi router in basement”)

I have the crazy plan to rewire my home network. Well currently it is a rather simple set up I guess, that I'd like to complicate :-) to get rid of my (not very stable) powerline adapters and to ...
3
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1answer
204 views

Is one ent conduit sufficient for cabling two side by side rooms?

I am having a house built and am paying to have a contractor run low voltage conduit from every room in the house to a home network closet under the basement stairs. In an attempt to cut back on cost ...
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1answer
158 views

Are lightning strikes really a risk for outdoor Ethernet in the UK?

So essentially as the title says, I have read a couple super user ‘articles’ regarding the use of surge protectors with outdoor Ethernet, my question is would a lightning strike be a risk for about 2-...
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1answer
350 views

home network: Cat 7 S/FTP patch cable is too slow

I pulled some CAT 7 S/FTP cables inside my walls but when using those I only get around 70/400mbps. I should be getting 700/700 at least, which I do get connecting myself directly to the router. I ...
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1answer
2k views

What are the advantages of a patch panel at home?

I am installing a patch panel and a switch at home. I have been reading about patch panels and I honestly can't see a good enough reason to go to the trouble. Yes it makes wiring a bit neater and ...
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2answers
108 views

32 ft usb 3 cable power not suficient

I am trying to power an ipad using a 32 ft active usb cable as seen here. The issue is the power at the end of the run just isn't sufficient to keep the ipad charging (4.7v). I have done some research ...
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1answer
47 views

Stopping someone accessing local network by physically cut / splicing into structured cabling

When visiting another company i recently saw a setup where a company had 2 offices one on the 3rd floor and one on the 5th floor in the same block. To link the 2 offices (i guess so that they where ...
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2answers
47 views

Inside compound / building cabling for fiber

I have a cabling challenge: we live in a compound that has a cabling room [room] to where all telecom infrastructure (copper and fiber services) arrive. That [room] is ~300 metres to our home [home]. ...
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2answers
578 views

Do long gigabit (CAT6) cables easily break? [closed]

I had this 30m gigabit cable which registered as a gigabit connection via my router. I noticed recently that it's now a 100 mbps connection. I tried short gigabit cables for testing and they all ...
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1answer
42 views

Home structured cabling - which cables?

I've recently purchased a 25U rack with some networking for my home. I'm about to order some Cat6, but I wanted to ask a few questions: I noticed that some people have video cabling in their homes. ...
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2answers
753 views

Modular PSU Connecting Cables

I bought strike-x 1100W PSU to use it with a quad socket opteron server. The problem is the server needs three 8 pin EPS connectors while the PSU comes with 2. Since its modular can i add another ...
2
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1answer
3k views

Differences in RJ-45 plugs & keystone jacks for CAT5, CAT5e, CAT 6, CAT6a & CAT7 compliance?

I've read detailed insights on differences in the CAT Cabling. What is the difference between various cable types like Cat 5, Cat 5e and Cat 6? What is the difference between Cat 6 and Cat 6e ...
6
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2answers
4k views

What is the logic behind the pin diagram of Ethernet cables?

Is there a reason why the pin diagram of an RJ-45 looks like this? I understand that the orange pair is used for Tx and the green pair for Rx. Why is it that the orange pair are kept together while ...
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1answer
393 views

Why can't a single Ethernet cable carry 2 independent connection? [duplicate]

A Ethernet cable has 4 pairs of data lines. In normal conditions only two pairs are used, one as a Tx pair and another as Rx pair. So two pairs are left unused. Is it possible to make use of these 2 ...
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1answer
429 views

Moving the ADSL modem: Best way of extending the cabling

I have had my phone company bring a direct cable from their FTTN switches in the basement to my living room. The cable they have used is a typical Cat5e. The company's modem has a RJ11 connector ...
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1answer
152 views

RJ45 connector crimping… Does it really make a difference as long as the cabling is “straight”?

Yes I am aware that there are standards on how to crimp a RJ45 connector. But my question is... does it really make a difference as long as both ends have the same color coding? Technically, it ...
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1answer
739 views

How many Ethernet Cable Drops per Room [closed]

If you put new ethernet cables into a building, and you know that there will be N people working in a room. Each person has one PC and one VoIP telephone. How many Ethernet cable drops would you put ...
4
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1answer
161 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 ...
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1answer
353 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 ...
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3answers
27k 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 ...
8
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1answer
26k 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 ...
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1answer
768 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 ...
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1answer
709 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 ...
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2answers
966 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
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1answer
3k 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. ...
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2answers
379 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 ...
14
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6answers
53k 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
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3answers
2k 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 ...
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1answer
131 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 ...
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1answer
373 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 ...
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2answers
402 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 ...
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2answers
21k 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 ...
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1answer
139 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.
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1answer
98 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 ...
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2answers
656 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 ...
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1answer
772 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
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3answers
22k 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 ...
8
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1answer
1k 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 ...
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1answer
6k 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 ...
16
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3answers
108k 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
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1answer
1k 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
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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
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3answers
5k 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
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0answers
11k 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 ...