In electronics, a cable is 1 or more wires (fibers) bound together and running parallel to each other such that larger amounts of data/current can be transmitted at faster speeds than would be accomplished with a lower amount of wires. A cable can refer to an audio, visual, data, electrical or any ...

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0answers
17 views

What allows iOS to discern whether a accesories is not certified? [closed]

What it is about that allows iOS to tell the difference between an Apple and a non-Apple cable and hence display the alert to the user? The Thunderbolt iPhone cables do not strike me as having ...
-1
votes
1answer
59 views

What is the difference between these 2 twisted pairs?

I have two cables marked: BELDEN 1583e utp cat5e 4pr awg24 iso/iec 11801 en50173 ec verified 100 ohm 1002069 ESSENTIAL utp cat5e by nexans EC verified 4pr awg24 lu0306 Both connected to TL-SG108E ...
2
votes
2answers
37 views

Links and transmission rates

Let's say I have a short copper wire that I wish to transfer bits through. I can push a bit on one end of the wire, and in no time (almost the speed of light) the bit will reach to the other end, and ...
0
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0answers
41 views

Will cutting the ground cable of my desktop's front panel USB conector fix heaphone noise w/o adverse effect?

The headphone port (3.55mm jack) in my desktop's front panel produces static noise when the USB 2.0 port next to it is connected to the motherboard. According to this answer, you can solve this by ...
0
votes
1answer
23 views

Flat ribbon network cables sold as UTP, are they really twisted, and how?

I am about to buy some network (Ethernet) cables for home use, and am looking at the flat ribbon variant as here: However, given the very flat form and no visible structure that actually suggests ...
0
votes
1answer
63 views

USB Dualshock 3 controller on Windows 8.1 (Code 43)

I have a Sony Dualshock 3 controller that I used to use a lot on Windows 7. Windows 8.1 seems to be having some trouble with it. I get 'error code 43.' I use the driver by Scarlet.Crush: ...
0
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0answers
26 views

DIY Gigabit cable wiring

I have a Cat7 cable Draka Comteq UC600 Super Screen 27 4P Category 7 S/STP IEC 61156-6 FRNC. I wired with two RJ45 connectors using T568B on both ends. The stripped part at the end is approximately 1 ...
0
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1answer
45 views

2 GPUs with 6+8 pin connectors: does it help to use 4 cables instead of 2?

I am assembling a new pc and I reached the point where I need to connect the various power cables. I have 2 graphic cards, each with 6 and 8 pin connectors. I understand I have to connect both for ...
0
votes
1answer
48 views

What is this cable called?

What is this cable called? It plugs into the Lenovo desktop motherboard, and powers my SATA SSD. The left plug connects to the motherboard, and the right plug connects to the SSD. I am one HDD ...
1
vote
1answer
41 views

How to align wires in an RJ-45, from photo

From my ISP, I have the installation of network in the below photo. However I would like to cut the cable and drag it back through the wall it is coming from, and put an RJ-45 plug on it. However ...
0
votes
0answers
28 views

Should I use shielded ethernet cable? [duplicate]

I have a 4g/LTE-modem (D-Link DWR-921) which I use for internet access. Works fine with shared folders and two machines connected. In the first room where the router is located I have one machine and ...
1
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3answers
40 views

How to use a 30" lcd monitor 20 meters away from my computer?

Is there a long enough dual DVI cable or a way to do this while using 2560x1600 resolution? I have a spare monitor which I want to use it in my kitchen to watch things or even check out a recipe ...
0
votes
2answers
33 views

Do video cables (DVI, VGA) exist that do not need to be screwed in? [duplicate]

Are there 15pin VGA cables that don't have a screw connection on one end? What are they called?
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2answers
71 views

Same router, same cat5e cable but different speeds between two computers

I can plug my laptop (an MSI GE60) directly in to the router using a cat5e ethernet cable, pulls 150-170 Mbps no problem. But if I unplug that same ethernet cable from the laptop and plug it into a ...
0
votes
1answer
38 views

SATA Connector Stress Impact on Reliability [closed]

As we fill up a mid-tower case with more drives, the SATA cables get rather tricky to get in a position so that they enter the connection near perfectly aligned so as to not put any stress on the SATA ...
2
votes
0answers
33 views

Are laptop LCD cables interchangeable?

I do a fair amount of laptop repair for my job. One of our most common issues is people coming in with broken screens; in such cases, it can be hard to figure out if the cable is broken or the screen ...
2
votes
0answers
21 views

Connecting two mac with midi [closed]

I'm looking for the simplest and cheapest way to connect two mac using the midi protocol in order to make two software communicate using MTC/MMC protocol like Ardour and Joker for example. I can do ...
1
vote
3answers
701 views

Is there a difference between “Thunderbolt” and “Mini DisplayPort” cables?

TB-to-TB cables seems to be more expensive than mDP-to-mDP cables. Is there any actual difference besides the branding? This is for use in connecting a MacBook Pro to a dock with multiple ports (USB ...
0
votes
0answers
74 views

Does DisplayPort cables only one-way?

I saw this DELOCK 82438 Mini DisplayPort - Displayport cable where the image shows one end is an input, while the other is an output. They also say in the description that this is a Mini DisplayPort ...
2
votes
2answers
277 views

VGA vs SVGA cable?

I have a totally avarage looking VGA cable with totally average HD-15/DE-15 male D-sub connectors on both end, however the label on it states, that it is an "SVGA cable". I know that VGA is also the ...
1
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2answers
158 views

(Beginner networking) Can I use a crossover cable to connect a PC to a hub that has an uplink feature?

I am taking a class on Computer Networking and part of a lab we did earlier this week involved connecting our PC to a hub using a straight-through cable. It worked. Then we had a small experiment with ...
0
votes
0answers
22 views

Why does my managed switch report a short in my cable? Is it accurate?

I'm using a Dell PowerConnect 2824 and it has a built-in Marvell Virtual Cable Tester. Is it accurate? It's reporting "Short Cable" on many of my cables that are working perfectly. However, two new ...
0
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0answers
24 views

What is this flat brown 8-pin case plug? [duplicate]

I reused an old computer case of mine to build a PC for my parents. I found this cable connected to the front I/O and I have no idea what it is: The front IO contains 2x USB2, head- and microphone ...
1
vote
1answer
189 views

Will connecting USB controllers to a hub with extension cables cause interference, signal loss or even input lag?

I'd like to connect 3 devices to a USB hub. The USB hub is then connected to my PC with an extension cable. Each device would need an extension cable of approx. 1m, which is then connected to the ...
0
votes
1answer
766 views

Plugging Windows 8.1 tablet into Windows 8.1 Laptop dangerous?

I have a windows 8.1 tablet (Asus Vivotab note 8), and I would like to transfer files from my laptop to the tablet. I know that it is dangerous to use double male-ended USB cables to connect two ...
62
votes
4answers
5k views

What is the little twist in this floppy ribbon cable for?

There is a twist of a few lines in this floppy cable. Why? What is the purpose of it?
0
votes
1answer
64 views

Router speed not even close

My laptop which has an Intel Centrino Advanced-N 6235 downloads at about 27Mbps. My router is a Belkin N150 (Model F9K1001v3). And I have a Motorola Surfboard SB6141, which supports up to 300Mbps. ...
0
votes
0answers
11 views

Debugging Ipads With Externally Connected Devices

I currently writing an ipad app that connects to an external device. Because It's connected via the ipads output cable I cant have the ipad connected to my mac while test code and therefore can't use ...
0
votes
1answer
187 views

Is RJ12 downwards compatible with RJ11?

If I would use a RJ12 (6P6C) cable on a RJ11 (6P4C/6P2C) connector, would that work?
2
votes
1answer
215 views

Can cable be the cause for slow upload speed (but not the download)?

I'm not exactly familiar with electrical but I hope someone can help me with some directions/suggestions. Thanks in advance. Situation: I have been experiencing issues with my internet for the past ...
0
votes
1answer
43 views

USB Type B: Why male vs. female differentiation is not enough?

This manufacturer website is very definite: The two types of plugs have the same number of pins, and are electrically identical. They are only different mechanically. This was an intentional ...
1
vote
3answers
2k views

What is the difference between USB Mini A and Mini B?

I have a bunch of USB A to Mini B cables and a single USB A to Mini A cable. I have lost track of where they come from. The two types both look exactly the same with the USB A side having a white ...
3
votes
1answer
64 views

Ever have bad voltage on an ethernet jack on a router/switch?

So I've got a bit of an odd problem I'm trying to solve. I have an ASUS RT-N66U router which has a desktop, xbox, and my brand new NAS directly wired into it. Whenever I hook the brand new NAS up ...
0
votes
1answer
160 views

PSU has 2 PCI-e cables, and I don't know how to use their endings or if I need to use ONLY one cable

I've started to assemble my new PC and when I've finally attached my Gygabyte NVIDIA GPU (GTX 760), it needs some kind of PSU power, in the form of 6 + 8 holed socket. So far so good. My PSU (Cooler ...
0
votes
1answer
103 views

How to test the physical integrity of the internet cable and local ISP devices

I've been wondering, how can I find out what's the problem with my internet without leaving my home. I live in a residential building and use cable internet with cable modem, and above the door of ...
39
votes
4answers
6k views

What is the purpose of this 4 pin cable with 3 wires that came with an old IDE DVD-ROM drive?

Stumbled on this cable today, it has 4 pins, of which only three are actually in use. It was found with a quick installation guide of an old DVD-ROM IDE drive and nothing else except some screws, so ...
0
votes
1answer
61 views

Do I need different RJ45 plugs?

I bought this ICIDU UTP CAT5E Pullbox Solid Wire Straight 100m Network Cable and these 100pcs UTP Male RJ45 Connectors (CAT5/6) Ready plugs. I've tried time and time again repeated watching and ...
0
votes
0answers
113 views

Audio Quality: HDMI to 3.5mm to Cinch vs Optical to Cinch

I'm using my video game consoles with my computer monitor and a 2.1 speaker system. That used to be fine, until I got my PlayStation 4 and realized there's no analog sound output. My speakers only ...
0
votes
1answer
131 views

Do I need a special microUSB cable to take advantage of my USB 3.0 port?

I often transfer files from my computer to my phone using a micro-USB cable. However, my computer has USB 3.0 ports and I don't know if I'm taking full advantage of it using a regular micro-USB cable. ...
0
votes
1answer
156 views

HDMI/DVI/DisplayPort cables and image quality (color, sharpness)

I am planning on running some very long digital cables (HDMI, DVI, DisplayPort). I want to make absolutely sure that as long as the cable works with my desired settings (resolution and hz), there's ...
1
vote
0answers
79 views

2 pair Ethernet connection not working, but 4 pair does

I'm having problems with my internet connection. I have 2-pair lan cable, it used to work before in my PC, but 4 days back it stopped working, it works in others PC. Now only 4 pair lan connection ...
0
votes
0answers
25 views

Strange Issue with computer shutdown and cable outage

This problem first showed signs a few days ago. I was working on my iMac, and suddenly it shut off immediately without showing any warning signs. So, I powered it back on and my ethernet connection ...
2
votes
1answer
259 views

Multiple cable adapter setup not working - VGA to smartphone. All cables tested and work

Issue Pictured overhead projector setup does not work. #1 -> #2 -> #3 -> Phone. All cables are tested and work! The issue is the HDMI connection between cable #2 and #3. With all other cables, the ...
2
votes
2answers
119 views

Networking Home Office

I'm in the process of building an office in my garden. It's about 25m away from my house. I'd like to run a wired network connection to the office. I'd rather not go down the powerline route, as ...
0
votes
1answer
229 views

Need help identifying the type of cable used in my external portable hard drive

I purchased my Seagate external hard drive about 4 years ago. Recently I have started experiencing problems with the provided USB cable. So I am guessing it is time to replace it. However I am just ...
0
votes
1answer
99 views

connecting DVI monitor to HDMI port

Can I connect computer monitor with the case by using DVI to HDMI cable? monitor side is DVI and the case side id HDMI. I want to choose the correct cable for this connection. My graphic card is 2 GB ...
0
votes
1answer
63 views

RGB/VGA input on display without analog ports

I've got a Panasonic LCD display that has all digital or HDMI ports for video. In our conference room, I need to support VGA input for those connecting PC laptops that have no digital output. I've ...
0
votes
1answer
85 views

How come all USB cables are not equivalent?

It appears that not all USB cables (one end: USB, the other end - Micro-USB) are created equal: some can only charge devices (e.g., cell phones, e-readers), others can also sync them. Are there just ...
0
votes
3answers
58 views

Is there a difference in HDMI cables

I have a single HDMI cable in my house which I seem to be able to use for all my devices (TV, HP PC, Dell PC, PS3, PS4). All my other cables seem to be selective on the device I can connect them with. ...
0
votes
0answers
48 views

Optical toslink not active

I have a ASRock X85 Extreme board and Windows 7 x64. I cannot activate the Optical SPDIF Out Port (Toslink), only the RCA-Connection (looks like Cinch) is active. FYI: If I connect the Toslink-Cable ...