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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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40 views

home made ethernet cable speed degradation. what is reasonable?

i made my own cat5e cable for wired ethernet backhaul between my main router and an Access Point (2nd router). the cable is about 80 feet long. one end i put male rj45 and the other i wired to a ...
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18 views

How can I tell whether my USB C cable is a USB 3.1 cable, a passive Thunderbolt 3 cable, or an active Thunderbolt 3 cable?

I have two Thunderbolt 3 devices that each came with their own Thunderbolt 3 cable, plus another USB-C cable that I'm not sure what it's capabilities are. Is there any way I can determine whether the ...
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30 views

What does this red pixel 'infection' mean?

I was just using my PC with two screens. Suddenly a couple of red dots/pixels appeard on both screen, same position. I tried changing the cable, still red dots. They are stuck on the screen and don't ...
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1answer
43 views

Win 10 PC ethernet cable stuck in “unplugged” and “identifying” loop

I have a PC that has problems connecting to the internet via cable. The ethernet adapter is stuck in a loop of "cable unplugged" "identifying" "unknown network" and back to "cable unplugged". After ...
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1answer
52 views

USB 3.0 over GigE Ethernet

I'm looking for a way to take a USB 3.0 device and access it over GigE Ethernet. It's a bit of a hard thing to search for because all that comes up are USB network adapters. The conversion must be ...
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204 views

Why physically split SATA data cable?

Recently I've bought a SATA data cable that looks like that: Judging from Wikipedia article these two cables are probably the two pairs of the two data lines. From the manufacturer's website I found ...
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33 views

Is there any difference between a Cat 5e and a Cat 6 RJ45 plug?

I described this issue here Cat 6 cable failure where I found that my Cat 6 buriable, waterproof cable (over 200' long) had been severed by a rodent. Cat6 connectors worked for data transfer but Cat ...
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1answer
37 views

Network congestion and expansion

The following picture describes the network setup of an institution: So one side of the building, closest to the server and main switch, has 6 classrooms, each one with 25 computers that connect to a ...
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3answers
4k views

Is it safe to use a micro-USB 2 cable in a USB 3 portable hard drive?

The micro-B USB 3 port seems to be somewhat backwards compatible with the old micro-USB 2 standard. I was able to charge a phone that had the micro-B USB 3 port with a micro-USB 2 cable. However, I ...
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80 views

How to properly terminate a Cat6 cable?

I've been trying to terminate my home network Ethernet cables according to spec. I've been having many problems: Wires don't reach the end of the connector. Wires will bend inside the connector. ...
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1answer
29 views

Best setup practice to divide network to privae and public, on possible config? [closed]

I have a network under one wireless router, connected to many devices. I'd call it main network, and I want this to be private network. But then I want to extend this network so anyone can access it, ...
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1answer
58 views

Moved to new house and found old cabling

I moved in to a new house and noticed that there are some cables running from 1st to 2nd to 3rd floor. I was wondering whether anyone could help me understand what they might be, I think they might be ...
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1answer
100 views

Cat6a U/FTP in home network & Shielding

I am doing an extension in my house and it is the perfect time to set a home network. There are some posts on this issue here but I didn't find all the answers I was looking for. This is my (simple) ...
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1answer
72 views

PC's original power cable rated 13A/125V, can a 10A/125V cable be used instead?

A PC using an HX850 power supply (850W) had an original power cable rated 13A/125V but that cable is lost. (I know the original cable rating because I have other computers the exact same spec that ...
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1answer
95 views

I have an Ethernet cable with no printed markings - how can I determine what Category it is? [duplicate]

Whilst upgrading a switch and re-cabling to suit I discovered on of my ethernet cables has no printed markings on it. Is there a non-invasive way for me to tell if it's Cat5, 5e or 6?
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2answers
107 views

Sequence of active and passive usb extender cable

I have a wireless adapter (antennae) that I need to connect to my computer which will be 20 feet away. The adapter comes with a 5 foot extension cable, which I assume to be a passive cable, and I am ...
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1answer
35 views

Is there a name for this kind of power cable?

I really like these PC power cables with the flat, side-by-side wire instead of the fat round ones you usually see. I can't seem to find them on Mouser, etc when searching for "flat". Do they have a ...
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2answers
73 views

Determining ethernet wire category/speed

I moved into a home that has Ethernet cables in the walls and all my computer's are gigabyte Ethernet ports, same as my router and the cables I use to connect my PC to the Ethernet ports in the wall, ...
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2answers
264 views

Should the pins on both sides of an RJ11 cable be in the same order?

Is RJ11 pin order like RJ45 where the order is always the same (e.g. Brown is always on the left, when looking from the bottom), or should they be mirrored - one side with red on the green's right, ...
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1answer
103 views

DMS-59 to VGA for Single Monitor?

I got a old graphics card with a DMS-59 output. I'm wanting to use the DMS-59 out to use a single monitor setup. Before I purchase a conversion cable, I wanted to confirm that DMS-59 is suitable for a ...
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1answer
109 views

connecting HDMI monitor to DVI/USB port

I am going to buy new computer with high specs, but it doesn't have hdmi port. It will have instead: 4xUSB 2.0 ir 2xUSB 3.1, PS/2, RJ-45; 1xUSB 2.0, 1xUSB 3.0; VGA, DVI. My monitor has DVI and HDMI....
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458 views

How to use Samsung TV as a remote display over lan cable connection

I have a desktop PC with no Wi-Fi and a Samsung smart TV ES6710 with RJ45 LAN connector. It streams movies/pictures/music very well using DLNA, however, I want to use it as a remote display over LAN, ...
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1answer
150 views

How do I figure out why my external monitor goes black?

My late 2013 MacBook Pro is connected to an external monitor using a Mini DisplayPort to Dual link DVI adapter. About once a day, the external monitor goes black. The applications continue running, ...
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2answers
70 views

Ethernet Cable with red and yellow wires

I have an ethernet cable with a strange color pattern. This cable has the standard yellow, blue and brown wires. However, there is also a red and a yellow wire, as well as three completely white wires....
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2answers
63 views

Extending monitor power supply DC cable

I have 3 LG monitors mounted on my desk. Two of those are barely reachable by the DC power cable: it is only 1.2m long and I need at least 50cm more for it to fit in my cable management system. So at ...
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1answer
83 views

Terminating solid Ethernet in a pull out rack

How should I terminate solid Ethernet cable in a shallow rack? Information I've wired my house with solid CAT7. It terminates in a double gang. The wiring cabinet can fit a 300mm equipment rack The ...
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4answers
2k views

The characteristic AWG stands for American Wire Gauge but what's its importance in networking?

AWG stands for American Wire Gauge. This is something interesting that I learned today (at least what the abbreviation means). In terms of networking it represents the wire diameter of an Ethernet ...
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2answers
160 views

Are Cat 5E/6 interchangeable and will that degrade performance?

Due to old cable being dried, burned and broken by the sun outside and experiencing constant internet interruptions hourly, I've decided to change out all the Cables. Now I'm preparing to buy patch ...
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2answers
200 views

HDD Issues: SMART, Self Test & Extended test point to Ultra DMA Connector / SATA cable connection issues - Accurate Diagnoisis & Solution?

I know the default line being please back up your data - done that and will attemp doing again if this "connection" allows it. That would be stating the obvious to someone who has played with ...
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1answer
177 views

Connecting USB connector type A to type C

I have two hard drives, one with a USB type A and one with a USB type C connector. I also have a USB type A to C cable. Connect the hard drive with USB type C port with the USB type A port of my ...
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0answers
52 views

Trying to identify this cable name. Hard drive cable

Trying to identify this cable connector name. Specifically, the part that is circled. I know what the whole cable is called, but I am trying to buy some circuit board and I want to search "Circuit ...
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1answer
49 views

Does duplex patch fiber optic cable (LC-LC) need termination box/splicing?

The duplex fiber optic cable (LC-LC) I am talking about looks like this I am trying to run an outdoor cable about 120m and was informed that I need to have splicing and a termination box. But based ...
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54 views

Extending range of wireless network with cable

I have a few rooms in my house. Walls are horribly blocking the wireless signals. I don't want to go against the physics, so I was thinking that I have ethernet cables in each room, why not extend ...
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1answer
22 views

Advice on repining molex 43025 20pin

So here's the deal, I've got a older ibm server and it only has 8 sas connections but supports additional 4 with additional board. Got the board, fairly cheap but the thing is the power cable is so ...
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1answer
46 views

What are different types of fibre cable?

I am looking forward to use SFP port (not SFP+). Right now I understand there are 4 types of module. Single Mode SFP Multi-Mode SFP Single Mode SFP (BiDi) Multi-Mode SFP (BiDi) For all of these ...
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4answers
110 views

does data transfer in copper media really just happen by changing voltage?

As I understand this graphic: 1 is represented by a voltage of 3 and 0 by a voltage of 0. As I can imagine, only one voltage is possible at a time on a cable (So you cannot have 2 voltage and 3 ...
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1answer
2k views

Will adding switch extend my ethernet cable?

I need to run an ethernet cable to another room which is more that 100m away. My internet guy just told me that CAT5 ethernet cable range is 100m. He stated that it does not make a difference if we ...
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0answers
30 views

Name of Power Cord Attachment Piece

I recently purchased an Acer laptop and the power cord uses a piece that is different than a Velcro strap to wrap the cord up. I can't figure out what the name of this piece is. I've included an image ...
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2answers
562 views

Can I use an inactive USB 3.0 extender in series with an active one?

I was setting up an order on Amazon to purchase all the necessary (and some unnecessary) components for room scale VR, and I ran into a problem: The Oculus cameras are not wireless. So I threw a pile ...
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1answer
37 views

I would like to connect two Imac computers and use older one as a second screen. I would like to know how

I have two 27inch Imac that I would like to connect. I would like to use the older one as a second screen. I am having a hard time getting this to work. Can someone help figure out what cables I might ...
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1answer
121 views

SATA-USB cabled HDD not listed among storages drives

I replaced my laptop HDD by an SSD and bought a SATA-USB cable to use that HDD as an external storage. But unfortunately that HDD is not automatically listed among the "Devices and drives" list as ...
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2answers
136 views

Is there a fiber / optical extension you can buy move your FTTP point?

I want to move my BT Openreach fiber box so it's running from my UPS. Issue is the fiber cable into the building is 10 meters away from I need it to be. Is there a fiber / optical extension you can ...
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1answer
134 views

Which picture correctly shows a crossover wire for networking?

Why are there crossover cable diagrams/dipictions that show two different wiring formats? I always thought the first pic below was the correct way to format a crossover cable? I've never seen the way ...
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1answer
77 views

What determines transmitted and received data and why is a crossover cable and straight through cable needed in curtain situations?

I understand what RX and TX means when it comes to networking and I understand the difference between T568A and T568B wiring standards. But the one thing I don't understand is if the different colored ...
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1answer
130 views

Determine cause of low bandwidth on solid Ethernet cable with stranded connectors

I installed stranded RJ-45 modular plugs on solid Cat5e cable. My cable tester shows all cables are OK, but all except one won't go beyond 100 Mbps (I have a 300/300 connection). How can I determine ...
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1answer
341 views

Dell U2312HM not powering on

I have such a monitor, and since some months I have a VERY strange problem, at least for me. I generally use to completely turn off the current with an electric switch (I'm Italian, hope this term ...
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0answers
31 views

Cat5e - No link after keystone install

I have a cat5e cable ran, from my router on my second floor, through the wall up into my finished attic. I initially had it terminated on both ends with RJ45 plugs, and my gaming console connected to ...
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2answers
48 views

Should a ping6 session keep working after moving the target device's Ethernet cable to another port on the switch?

This is a really basic question, but I need a sanity check to make sure my expectations are not incorrect and that what I'm seeing isn't expected behavior. The situation is: I've got a Mac Pro ...
23
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5answers
7k views

How much electricity is there in the “power switch” button cables?

Because of a broken power button on the front of my computer I've had to take the cables connected to the button and create a sort of "hotwire" setup to start my computer. This is done by simply ...
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2answers
91 views

What type of Fiber network cable is this? Says 300m 10g om3 [closed]

I have some fiber cable I have to run in a building for someone. There was a guy who know all about this and was going to order the cable then I would help him put it in. He has just disappeared. ...