Questions tagged [cable]

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 other numerous types of cables.

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17 views

Cable TV audio dial tone insertions [closed]

When watching the Discovery channel in Colombia (this does not happen when I watch in USA but I believe I have heard it in other countries), there is a brief silence with a fast set of beeping tones (...
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Self-made UTP cable not working

I'm trying to create my own UTP cables. It's fun and cheaper than buying single cables instead. Now I struggling to make my cables work. The cables will be used to connect a PC to simple a unmanaged ...
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Samsung monitor displays only “Check Signal Cable”

I suddenly got a 'Check Signal Cable' after turning on my monitor. It was working this morning I checked the vga cable. Inserted it to another monitor and it worked I have a Samsung S19A300B Radeon HD ...
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I need help identifying a connector. Its fiber supposedly

I want to install a modem in my house instead of the ISP router that does everything horribly, but I can't identify which connector this is.
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2x 4 Pin CPU cable in EATX12V

I have the be quiet! power 9 psu and the asus prime b450-plus motherboard I'm using a external graphics card and a NVME SDD so I guess it'll use 2 PCIe ports. The manual says I have to plug in a 8 pin ...
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22 views

Connecting Monitor to TV via HDMI from computer

I have a mac with usb C and its connected to a monitor via a single usb C cable. The monitor acts as a dock for a bunch of usb, hdmi, ethernet connections to the mac. Is there a way to daisy chain ...
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26 views

HDMI or ethernet over USB-C

I'm running some cables through a small gap and would like to use low profile USB-C cables. I know you can get HDMI or ethernet adapters for USB, but I believe these are software based and require a ...
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32 views

Basic Ethernet Home Network Cabling

I am trying to set the Ethernet ports around my parents house (CAT 5e) but I am a bit confused as to how to go about it. They’re currently just using wifi with a basic xfinity router/modem. I have ...
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24 views

Mesh wifi nodes cabling options

I have a main asus router with 3 asus lyra mini mesh satellites. For reliability I am going to cable the satellites to the main router (I cannot place them in way to get good reception from one ...
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cat5e limited to 100Mb max speed

i have a cat5e cable that the router sets to 100Mb Full Duplex. Trying to set to 1000Mb makes port not work with that cable. Other cables works at 1000Mb full duplex on same port. Only thing wrong ...
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24 views

“Network cable unplugged” after reboot of windows computer

I have a weird behavior with my windows machine: I recently upgraded to a new computer (namely new mainboard and cpu). In general everything is working fine but sometimes after a reboot, The computer ...
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33 views

First computer build. Will not power on when connect CPU power cable

My 11 year old son and I have been building his first computer after he received most of the components for Christmas. We have a MPGX570 Gaming Plus Motherboard (MSI) with AMD processor. When we try ...
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100mbps with some cables/connections, 1000mbps with others

I encounter that I can reach 1000mbps with some combinations of RJ45 outlets and cables, and only 100mbps with other combinations. I can reach 1000mbps with all cables (when combined with a given ...
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Could it be the length of my USB cable have caused multiple SD cards to fail?

Recently three of my SD cards have failed in rapid succession so I suspected it has something to do with something else than the SD cards. Two of them failed in the same mannter, the other one died ...
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40 views

Implement one way communication with fibre optic cable

I want to create a UDP connection between two laptops using a fibre optic cable to force one-way communication at the hardware level so that data only flows from one laptop to the other. This post ...
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201 views

Which SATA power cable is standard?, and why are there 2 standards?

Pictured are two visually identical SATA Power cables, meant to connect to a PSU (the other end of each cable, not pictured, connects to a SATA drive). They're only distinguishable by the metal inside ...
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Cabling on PC with two drives, procedure to toss one drive?

My PC has two drives with ... ... braided cable B1 comes from the motherboard, and then there appears to be a "jumper" B2 on to the second drive. Then, each drive has it's own independent, ...
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Newly bought 2.0 HDMI cables aren't working [closed]

We bought 14 boxes of new HDMI 2.0 cables (1.5m in length) over a month ago and only came around to needing them just now. I needed 3 cables at first so I unpacked them. To our surprise, none of them ...
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Cat 7 cable - only 100mbit instead of 1gbit

I just tried to get my new 20m Cat 7 cable to run, but I am only able to reach 100mbit. I have already bought an expensive connector testing/DIY kit a few years ago. When I check the cable I can ...
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UK Virgin Business broadband fixed IP with Hitron cable modem/router. Is there any way to use it as modem only?

Quite stuck with this problem. A Client had been upgraded/forced to be upgraded to a 350mb connection with a single, fixed IP address as they run their own email server. Due to the nature of their ...
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Cat 5 Terminal Wiring

I bought a house where most of the rooms (including my office) have been wired in with cat5 cable and they all run to the terminal block seen in the attached pics which is in the basement. Yesterday I ...
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Does connecting a DVI-D adaptor to HDMI cable changes the quality of the video output?

If I put an DVI-D adapter on a DP or HDMI cable does the quality of the video output is the same as regular connection with a DP or HDMI(I mean the signal and all that) , the connection on my GPU(GTX ...
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What are the effects of different wire lengths on a single Ethernet cable?

Typically the wire lengths inside an Ethernet cable are all relatively equal. I know there must be some slight variance between the length of the individual wires inside cable due to some twisting ...
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22 views

Electrical compatibility of SFF-8639 and SFF-8643 for U.2 drives

I notice a lot of U.2 2.5" adapters on sale, seem to show what looks like a U.2 2.5" to SFF-8643 cable, or SFF-8643 PCIe connector, instead of the expected U.2 2.5" to SFF-8639 cable or ...
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45 views

Passive HDMI-VGA cable? [duplicate]

A friend of mine has this cable, which he bought from an international supermarket chain store - I don't expect them to buy useless crap. It appears to be a totally passive cable, but it's an HDMI->...
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Splitting 10Base-T between two cables

I have two CAT-5 cables running from a network/phone distribution box to a Telco box. Both cables are used for phone. One has 10Base-T in it. There is one pair in each available for use. Can I split ...
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133 views

Conflicting results from a squeaking hard drive

For some time now, I hear a squeaking sound from my Seagate HDD when reading or writing a file, sometimes when the drive is idle.I verified that it isn't a fan or a heat sink, and when that happens I ...
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12k views

How much power output can an 8-pin to 2x 6+2-pin connector output?

A common cable included in modern modular PSU's is the 8-pin to 2x 6+2 pin. However, based on reading (such as PCI-e Power - Does 6 + 2 Equal 8?) an 8-pin is effectively the same as a 6+2 pin. If that'...
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378 views

How does the retaining mechanism work on USB-C, and what will wear out?

I’ve looked for a good crossection of the mechanical elelements of a usb-c connector, and I can’t find a good one. I’m curious how the retaining mechanism (the thing that makes it “click” in to place) ...
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106 views

When my audio system is plugged into a socket, it makes a buzzing noise. Why?

people of the Superuser community, So recently I have acquired Edifier M1360 2.1 speakers, and when I plugged them in my computer I have noticed that when they are turned on they make a buzzing noise ...
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53 views

HDMI and DVI cable

I have bought a cable: one end is DVI and the other is HDMI. This DVI cable has 3x3 plus 3x3 pins with a space between these 2 groups. But the PC end has 8x3 pins. Can I insert the cable into the PC ...
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11k views

My ISP doesn't use a modem. How does this work?

I have only an Ethernet cable straight to my apartment. The Internet works when I just plug in this cable into the computer. They say that there is a switch somewhere in the apartment building. Where ...
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1answer
78 views

Need help to identify usb cable

Below is my Seagate 9SD2A6-500's USB2 port and cable, which had oxidative damage, so I want to buy a replacement cable. What is the name of this cable type and would a USB3 cable be backwards ...
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2answers
44 views

Do routers detect and adapt to different quality Ethernet cables?

I'm running a long (30 meter) Ethernet cable between two routers. Although both routers have GigE ports, all I have at the moment is Cat3 cable, which maxes out at 10Mb/s (especially over that long a ...
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313 views

SATA power connection on motherboard seems to be a 6-pin male. What kind of connector is this?

I have an HP PC that is missing the power cable for the HDD. It seems that the SATA power port on the motherboard is a straight 6 pin male connection as shown below: What is the name of the connector/...
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3k views

Howto repair broken USB-C Power Delivery cable?

tl;dr: What are the requirements for a PD capable USB-C cable and plug? As the USB-C plug/jack of my Dell charger is mechanically broken, I want to replace it. So far, my naive attempt to simply ...
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48 views

What's the difference between these SATA cables?

I recently bought a new power supply and there were two slightly different SATA cables. Here's a picture: In the picture on the left, all 4 connectors are identical, but in the picture on the right, ...
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1answer
361 views

Red G light on my cable tester

the G light on my cable tester lights up red, everything else green, the cables are in correct order. This cable runs from my router to the computer and I have replaced the computer end, computer does ...
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8answers
17k views

cat6 cable only getting 100mbps over larger distance

I know this question has already been asked a few times but I feel that my case is a little different since I've tried all the solutions provided in the other threads. I created a small diagram to ...
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38 views

Flexible flat cable labels

I have a problem with an FFC that connects touchpad with a motherboard. It's Xinya E315127 AWM 20696 80C 30V VW-1 HF and I was wondering if someone can explain to me what do these labels on cable ...
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188 views

Home Network: Cat6a Shielded (U/FTP) Cable, Shielded Patch Panel, Shielded Keystone Jacks - How to Ground?

Background I am currently setting up the network in my new apartment and due to reading a couple of misleading articles, I ended up buying cat6a shielded cable (U/FTP) instead of unshielded because I ...
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675 views

straight SATA cable vs angled SATA cable

Is that possible straight SATA cable is for ASATA3 slots and angled SATA cable is for SATA3 slots? I've ever bend a straight SATA cable into almost 90 degree and found it not working , but I pretty ...
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5answers
6k views

Effects of extending RJ11 cable length to modem

I have a VDSL home network that consists of a tp-link modem-router (Archer VR400), connected to a splitter (filter) by a 1 meter RJ11 cable. My current speed by Ethernet connection is 90-95/100 Mbps, ...
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2answers
79 views

“Wake On Lan”-Cable - 3-Pin Connector type name

I am trying to find the name of the connector (company and connector type name) displayed below: This connector type was often used on PCI Network interface cards.
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74 views

Sending one audio input to two outputs in windows 10

I have bought a new piano. I want to do two things with it and, using VB-Audio virtual cable, have found a solution to either one: Listen to it on my headphones: In the sound settings under "Listen",...
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46 views

Category 7A Ethernet cable backward compatibility with 6A

I need to choose Ethernet cables for my home installation. I can buy U/FTP cat.6A or S/FTP cat.7A at the same price. As I know, category 7A provides more bandwidth, but in order to use the highest ...
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1answer
651 views

How to connect an Android with a single USB-C to both Ethernet adapter & USB at the same time

Scenario I have a running setup like this My laptop is connected to a USB hub on which attached 2 smartphones. The phones are plugged in NOT FOR CHARGING, but for debugging apps on the phones. Now,...
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1answer
569 views

Under what circumstances will a passive HDMI-to-VGA adapter work?

I have bought a no-brand, passive HDMI Male to VGA Female adapter, to link up a PC with a more dated monitor. It did not work. After doing some reading, I have learned that buying such an adapter is ...
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1k views

Thunderbolt 3 to 144Hz monitor

I'm planning to buy a Dell XPS 13'' 9300 laptop. It has 2 Thunderbolt 3 ports, and I really need it to work with a BenQ Zowie XL2411 144Hz monitor for CS:GO (2x HDMI, DVI-D, VGA). How is this possible?...
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87 views

What kind of cable do I need for this port?

I am trying to find a data cable for a Kyocera KM 2530 copier/printer. It has a couple of ports on the back that look kind of like SATA ports. I haven't seen this before. Does anyone know what kind of ...

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