Ethernet Hack. How to split one ethernet cable for a few devices. One ethernet jack for two PC
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- เผยแพร่เมื่อ 7 ก.ย. 2024
- Ethernet Cable Hack. How to split one Ethernet cable for 2 or 4 devices. One Ethernet jack for 2 PC. How to connect Xbox and PC using only one Ethernet cable and one wall socket. Homemade Ethernet splitter.
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You can use two Ethernet splitters instead of this method.
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Yes but you can only use one computer at a time not both together
This worked perfectly for my two PC's. I also used this for all my current in wall Ethernet wires to have two ports.
May God bless you real Good. i was stuck on a project just now trying to install LAN Faceplates in 6 rooms with 3 having to be split. Your video helped me solve a 4hrs deadlock. now my project is finished and all 10 ports working
Thank you! I'm so glad could help you!
at only 100mbps you will have to tear that and redo it
Thanks for this tutorial. i don't need to purchase commercial ethernet splitters online anymore which usually takes time to deliver
You're welcome!
This video helped me not to run wall cable since all I need is a 2 separate networks for my media and IoT devices that's should be not running in 1000 speed. All I need is 100 speed for both line I try to solve. Great hack
and all you get with this is 10mbps not 100 or 1000
Just keep in mind that 4 pairs are usually cat5e which gives 1000Mb. Using 2 pairs is compatible only with 100Mb/10Mb.
There is no magic. You transformed good quality cable into two bad quality ones. If you instead used switch on both ends and used Cat5e you'd have 1000Mb instead of 100Mb.
You're wrong! With 4 wires you can achieve maximum 100Mbps. For the 1000Mbps connection you need all 8 wires. Just like you said there's no magic here.
Thank you very much for the thorough demonstration. I will be trying this tomorrow.
I'm happy to help!
this system only "works" at 10/100 mb/s, if u have a more than 100mb/s internet connection, you will limite your internet speed at 100mb/s
Yes and mostly suitable for ip cameras
tout ca me coupe le souffle. Breath taking work. Very useful to me. Your video technique is a lesson itself. Many thanks.
I'm glad I could help You!
Be careful ... most RJ45 connectors have a single point to pierce the wire and are intended to be used with stranded patch cable (the single point pushes through the middle of the strands). The ethernet cable for use between wall boxes is single strand and intended to be terminated into a fork in the wall box. Terminating the single strand cable into a standard RJ45 crimp can produce a very poor and unreliable connection.
This is a good trick for 100mbps lan but a 5 port gigabit switch is better solution and nowadays cheap
Only disadvantage is the connection/link speed would be reduces from 1gigabit to 100megabit
Yep, but most people don't get even close to100Mbps internet speed. So in most cases it will work fine.
I think it'll probably be easier to splice two ethernet cables into one keystone punch down. do that twice and you could use any length cable.
Sorry, I'm an amature, what do you mean by that? I have strung outdoor CAT6 cables from my server room, outside and back into each floor of my house where I hope to be able to terminate with two plugs on each floor; one for a local, floor level wifi and the other for people to plug into. What do you suggest?
1,2,3 and 6 pins of all RJ45 connectors. Make sure color codes are same on both ends of each pair. Bam... Nice trick
Thank you.amazing video. This tutorial serves me best for a problem I have and this is the perfect solution for me.thank you.keep up the good work.
I'm glad I could help you!
Thank you, this is an excellent demonstration of how to do this
If you have single wall socket with cat6, it is cleaner to add wall socket and applying the same technique. Keep in mind that your speed is limited to 100mbps in this setup.
Sorry, I'm an amature, what do you mean by that? I have strung outdoor CAT6 cables from my server room, outside and back into each floor of my house where I hope to be able to terminate with two plugs on each floor; one for a local, floor level wifi and the other for people to plug into. What do you suggest is a better way with more speed?
tnx mate!! my cable is inside the wall and now i can have in 2 different rooms INTERNET connection !!!
I'm happy to help!
Dear sir,thankyou so much indeed for posting this video,a life saver,thankyou kindly Stephen.
You are very welcome
By doing this you can have problems like higher MS ping, crosstalk, limited speed to max 100 Mbps and not able to use as POE adapter. Also your color code disrespect creates future problems if you have multiple devices like an alarm or camera or other ict lan devices. Anyway it is a solution that works well for small use with its limits. The first 2 pairs are for LAN the other 2 pairs are not used. So in a traditional CAT cable you have the option of use 2lan, 1lan and phone or 1lan and 2 phones. Or use of backup line from other source Incase you have 2 isp providers. But keep in mind to make a drawing of the colors and place you used them so it’s easy in the future when need changes to identify and upgrade if needed.
Exactly, a small switch is a much better idea and a whole lot easier.
no one gives a hell u sis ass
@@rarehunter9441 I care, I wanted to split my ethernet so that I could get better than wireless connection, not worse.
Rare hunter actually these are the most intelligent .... well that is to somebody with a brain
Sorry, I'm an amature, what do you mean by that? I have strung outdoor CAT6 cables from my server room, outside and back into each floor of my house where I hope to be able to terminate with two plugs on each floor; one for a local, floor level wifi and the other for people to plug into. What do you suggest is my best plan of attack for terminating all teh cables which are now in place?
This has been around for ages and no one has really taken the time to explain it. Though coming from a specialist standpoint if you wanted a butchers solution i would recommend just adapting to the keystone itself and dealing with the slight sacrifice.
This method is good as a temporary situation in some desperate situations, when you have to urgently connect a few devices without any adapters, hubs etc.
1:33 , damn.
Thanks for the info
I'm happy to help!
I've tried to do this and it doesn't work for me but I don't know if the cable im using is faulty or not. I was dumb enough to not test the cable I found in the shed.
Thank you for the video!!! Works perfectly 👌🏽
You're welcome!
Muris Cickusic, smart dude is right, I tried to split the end of the cable coming out of my router, making it with 2 ends, one going to my MacBook Pro in the den downstairs and the other RJ45 to my windows computer upstairs, ended up messing everything up it never worked, but maybe it’s because I didn’t have the right tools.
This method definitely works!!! You have to split the cable on both sides!!! It should look like this: www.cabling-design.com/references/pinouts/split.shtml
Спасибо за видео! До просмотра думал сплиттеры готовые брать или колхозить переходники. ..... Тут лучше, мне кажется, использовать термоусадку и может быть даже не один слой. (Русские люди очень хорошо объясняют все по английски.!!!)
Using pass thru connectors is a whole lot easier, not available 7 years ago.
Yep!
Like a goddamn surgeon lol
LOL
Use the string inside the Ethernet cable to cut the insulation rather than with the twisted pairs since they damage easily.
Its impossible!
can we add one end of the wire to router rj45 and connect it to rj11 DSL router to extend the internet , as i wanna extend my internet with the old dsl cable,which has only two wires in it with my old DSL router?
No. it's not gonna work like that.
Great video! Thank you for sharing it.
I can see that you have at least one cat cus of the marks 😂
Bro i can't understand anything but can you help me with this you see i have a input ethernet cable that goes directly into my wifi but my wifi has only input port for cable so i cannot connect my laptops lan cable directly in to wifi. So i thought i should split the input lable with some device called ethernet splitter into to cables and attach 1 in wifi and other in pc so will it work or do I need another device. Please help and if. Possible suggest the device
Very well explained thanks
Glad it was helpful!
It will work. but will this two lines will interfere each other signal, considering that they running on one ethernet cable?
Since two sets of different pairs of wires are used for 100Mbps networks, there will be no interference between the two networks, ensuring their proper functioning.
With this metod I connect PC and IPTV box
Working
finally. i can finish my homework.
can the split work for one pair sending signal into one direction and the other pair split to sent to another direction...or will this introduce noise?
Those two split cables work absolutely independent. It's like if you have two cables that are twisted around each other. Maximum speed for a cable with 4 wires is 100Mbps.
thanks sir.
i want to connect my pc to two ethernet shields, can i use the same technique with one end of ethernet cable plugged into pc and then i split the other end into two?
No it doesn't work like that. If you split cable, you have to connect two devices from each end.
@@ElectronicsComputers then how can i archive what i want?
Please help... My router is at the entrance of my house and in the room where I have my two computers, only one ethernet cable comes... which connection should I use so that both computers have internet and I don't have any losses? My connection is 100 mbps.
You need to attach an RJ45 connector to the blue and brown pairs at the router side (so now you can connect two connectors to your router) and then do the same thing in your room. In case if you have an Ethernet wall outlet in your room then you need to divide the cable into two lines that you plug into the outlet.
@@ElectronicsComputers Thank you very much!
using this method for telephone , good job sir.
I'm glad I could help You!
My friend, I need the link for the multi-tool and links for the diagrams too please. So if I split my cable like this, it will only be able to transfer @ 100mbts?
hey! would a switch work on this type of a split cable? if I had it by any chance going like ISP-Router-Split Cable-one side to switch, other to pc- and several pcs from the switch?
Thank you, it worked 🙂
Welcome 👍
wow... very interesting. 1 cable can connect 2 PC.
can you make video to setting mikrotic's ?
What speed do you get this way? DO you get the same if you have 200mbps or 600mbps do they get the same or is it split?
Using only 4 wires of an Ethernet cable provides a maximum speed of 100Mbps. To achieve higher speeds, all 8 wires must be used for a single connection.
Lo recomiendan para jugar en línea en 2 PC? O sería inestable
Sorry, I'm an amature, what do you mean by that? I have strung outdoor CAT6 cables from my server room, outside and back into each floor of my house where I hope to be able to terminate with two plugs on each floor; one for a local, floor level wifi and the other for people to plug into. What do you suggest?
It will work but you can simply buy two splitters from my links in the description which will do the same thing.
Amazing grace.
Thank you. I have a question. If you are only using two pairs for each connection at the devices, then why do you need to split them on the end that goes to the router? Is there some voo doo inside the router or switch that won't allow 2 being used on one port?
One Ethernet port provides connection only for one device. If it's 100MBps network then it uses only 4 wires other 4 pins inside of a switch/router don't even connected. So we need to split wires on both ends in order properly wire them. You just imagine that you use two independent Ethernet cables with 4 wires inside. But in our case we have one cable with 8 wires inside.
Thank you very much! Good explanation! Subscribed! What I don't understand is why you make to the router 2 ethernet clips. You can only make one and plug it in the router right? Because the dat from pc A goes over orange and green. And the pc B uses brown and blue. So you got enough with 1 clip (1 cable) on the router side. Maybe the router port where you set it on is not 1gbps. Thats the reason you seperate it so both pcs can use 100 mbit. Is that right?
It doesn't matter if it's 1Gbps or 100Mbps port. One Ethernet port supports only one single connection. For a 100Mbps network we need only 4 wires which means we can connect 2 devices via one Ethernet cable which has 8 wires. So we need 2 different ports on both ends.
Can you let me know if this is the same as using a ethernet splitter.
I'm trying to figure out how I can get internet to 2 of my cameras outside without drilling a new hole.
I have a POE and a non-POE camera.
There is already an existing ethernet cable the installation guy added when he installed the POE camera. Can you offer any suggestions. Thanks
Yes, it's basically same result which you can achieve with any Ethernet splitter.
If I use only 4 cables in RJ45 connector and sinply cut down other cables it also make the speed 100mbps?
if you use all 8 wires (1Gbps connection) and if you cut those four wires it will switch to 100Mbps
Would it be possible for a T shaped cable?
It depends on how you see it. If you have one Ethernet outlet in your room and you want to connect for example your PC and Xbox, then you can make a T cable with one end that goes to the wall and the split side goes to both devices. So for your room it kind of looks like a T cable. But in reality, the cable that goes from your outlet to your basement or whatever and then connects to a switch should also be split and have two connectors. Because one Ethernet port can only support one device. And one Ethernet connection requires only 4 wires and your cable has eight. So we just use the other four wires to connect another device with the same cable.
Can I just split the cable with one jack at one side and 2 or more branches at the other side?
No, it's not gonna work that way.
This allows u to use both at the same time?
Yep!
Does it make net slower
If your Internet speed slower than 100Mbps then no.
What if i join another wire
@@bruce610 then it won't work...
Smart dude :)
from my main internet router i want to connect two range extenders in different room with one cable by utilizing two pairs to save cable cost. two extenders on one cate6 cable will be any issue in future please clarify
if those range extenders have their own power supplies (not PoE) then everything will be fine. Just do it right.
Hi. Is there any signal loss/interference over 25 metres running this method
Yes. Just use a 5 port switch.
www.officeworks.com.au/shop/officeworks/p/d-link-5-port-gigabit-switch-dgs-1005a-dldgs1005a
whats the range on this for cat 5, cat 5e, cat 6, cat 6e?
Up to 100m/300ft.
Hi there! Thanks for you video. I have a cable stuck in the wall, so I cannot replace it. String 1 is defective. Can I use this trick to get 100MB/s And POE ?
One Ethernet cable can provide two 100Mbps connections or one connection + PoE
Life HACK saver you are!
there is 1 by 2 coupler, which can be used for this application
what coupler you're talking about?
@@ElectronicsComputers Search for Female to 2 x Female Plug Network LAN Cable T Adapter L
For home use, have at this hack. If you're a professional low voltage cabling contractor or an electrician running cable for a business infrastructure, or even running cable for someone's home, please don't do this. This eliminates POE and gigabit capabilities, and it's just extra work when you could simply pull another cable. Being that there is no industry acceptance of this method, there's a good chance you may miss a pin or punch down wrong. Just not worth it unless you really want to be cheap.
And what if you're retrofitting old construction and pulling another cable is next to impossible? This kind of hack should almost never be used... but in specific cases, including at a business, it totally can do the trick. :) I'd recommend clearly labeling the port with its limitations (100Mb, no PoE)
It doesn't eliminate PoE capability, you can only use the PoE standards that don't require more than 2 pairs, which is fine for most PoE applications. See the "10/100 mode A, mixed DC & data" section of the table at en.wikipedia.org/wiki/Power_over_Ethernet#Pinouts also see my video th-cam.com/video/XInzn6VjMcM/w-d-xo.html where I test that PoE works.
What's the difference between doing this and a Ethernet cable splitter?
There's no difference. That wiring is basically how that splitter works.
Terrible idea.... you are basically taking a 1gb wire and turning it into a 100mb wire and don't have any shielding between the two pairs. You are asking for connection issues on your device. A better idea is to use a cat6 splitter 1 into 2 or better yet a inexpensive 5 port gigabit switch.... you can always tuck the switch under a counter or something.
Buddy you didn't get the point of the video!!! Of course we can buy switches, routers splitters whatever. But there are some situations when you can't buy it or you have urgently deploy some equipment and someone forgot to put a switch in the box etc. It's for our education and it perfectly works as a temporary solution. Anyway thanks for the comment!
@@ElectronicsComputers what is the purpose of this video I don't get the idea of it if you have enough switch wire just add second cable to it
@@sumchee448Chee seriously? It's an instructional video... are you thinking this is some footage of a reality show?
Thank You!
one ip port too 2 pc port's, how to fix? Because 2 different mac addresses and one ip, i dont understand, o after full vid i see lol, thx. Subed and liked
I'm happy to help and thank you for your support!
thenk u thenk u thank u.
Happy to help!
Does this affect the performance? Is it going to transfer audio & video for my tv cable too?
No, it doesn't considering most devices work at a max 100Mbps speed
Say my internet is 30mbps will spitting make each port have 30mpbs? and if so if I connect 2 ports to 1 device shouldn't that device receive 60mpbs?
no it doesn't work that way. You have to divide your bandwidth (30Mbps) by the number of devices connected to your switch or router. But again even in this case it doesn't work that way. Because on PC can draw more data from the internet than the other one. So the speed may vary between all PCs but the whole bandwidth will be not higher than your maximum 30Mbps.
This is good but i need to know if it and work with POE devices
You want to connect 2 devices via one cable + PoE??? No, it's not gonna work because those blue and brown pairs can be only used for a second device or for PoE.
For most applications, PoE will still work, you just have to make sure that the device supplying the PoE (switch, NVR, injector, etc) supports PoE "Mode A". See the "10/100 mode A, mixed DC & data" section of the table at en.wikipedia.org/wiki/Power_over_Ethernet#Pinouts also see my video th-cam.com/video/XInzn6VjMcM/w-d-xo.html where I test that PoE works.
HI Sir, can I apply this to a voice/telephone line. I used cat 6 in my telephone line. Can i apply also this method. Thank you in advance Sir.
Yes, it works perfect with VoIP (IP telephony)
I did same but it works in one of and don't work in other pc and shows unidentified network
I I understand you right some PCs work on the same cable but others not Right? Then on PC which has problems go to device manager -> adapters properties-> Advanced tab. Then find option with speed and try to play with speed and duplex or full duplex. It will work!
Tried this with about 30metres of cable. The Orange and Green cables connection works but the blue and brown wires connection is not working. Is this an issue of cable length or just bad krimping? Ever tried it with a long cable. Thought I had found a great solution. Running one cable instead of two.
Are you sure that you organized those wires in the right order? You need to wire the brown wires like the orange ones and blue wires like the green ones.
@M. Gengo how did it work out for you genius?
@@ElectronicsComputers There is no need to put striped-blue on pin 1 and solid-blue on pin 2. IMO you should try to resemble the T568A and T568B standards as much as possible when splitting. In both of those standards, striped-blue is on pin 5 (to the right) and solid-blue is on pin 4 (to the left). Therefore, IMO it's best to keep striped-blue to the right (pin 2) and solid-blue to the left (pin 1), when splitting.
The pre-made splitters I bought online had striped-blue to the right and solid-blue to the left, but the splitters I made myself a while ago had the opposite. Only when I did a continuity test on a cable run that had a pre-made splitter on one end and a self-made splitter on the other end, that I realized I had cross-over on the blue pair, which should be avoided.
@@cosmicdude7721 it should work if you do it correctly. I do believe that combining two 100Mbps links into a single cable (via this splitting method) does increase the risk of crosstalk issues because you are essentially placing the conductors of each link much closer together than they would be if they were just separate cables bundled close together. Because of this, I try to use Cat6 cable for my split runs as Cat6 typically has a plastic separator running through the cable that keeps the pairs further away from each other than they are in a Cat5e cable. Cat6 cable also has other design elements that reduce crosstalk.
That being said, during testing I've simultaneously viewed the main streams (16Mbps each) of 2 Hikvision cameras that were combined/split over 120 metres (so 20% over the length limit) of Cat5e cable. I noticed no issues with either video stream during that test. The 120 metres was actually made of 4x 30 metre patch cables (24 AWG stranded pure copper) coupled together. Each camera was also being powered by PoE over that 120 metre run, during that test.
I should mention that this eventually worked. Not sure what I was missing before. Pretty neat trick which has saved me a lot of time and effort since I first learned about this method.
How can I use the remaining unused wires to connect to my second router...which color connects with which one.??
Blue and brown couples are unused. Crimp on both sides with rj45 connector and do whatever you want.
When I plug direct into my router and do a speed test I get 225 Mbps download, does that mean I'm using all pairs? If I do this trick will it slow me down to 100 Mbps?
looks like you have gigabit connection and if you split the cable it will drop to 100Mbps
will this method work for one pc and one telephone?
Sure! Using Ethernet cable you can connect one PC and one or two telephones. 100Mb/s network uses only 4 wires so you have 4 spare wires (brown and blue couples) and your phone needs only two.
All about wiring a plug
Would i be able to use this method for pair-bonding with a single Cat 5E cable and achieve 2x1 Gbit/s through one cable?
I need more local bandwidth, but im too lazy to install a second cable or upgrade to cat 7. :-)
This won’t be possible I’m afraid, as gigabit need all pairs be used following by the color standards. The best will be in you case to bind it at the router true load balance, then go to a Ubnt USG to control your network and from the end go further by connecting a switch. So from the switch you can go in different Gigabit lines on method is by using VLAN true the USG And switch. If want more info or proposal drop me a line at dimitri.ibizi@icloud.com
I am thinking to split my mining and pc internet ..so I dont need wifi..
ok... so for even 2016 this is old as heck wiring. Shouldn't one be setting up AC wireless AP for their laptops, and hard-wiring the building for 1G and replacing patch panels while at it with biscuits like that used sparingly to bridge old cables? you're not doing your client any kindness with this kind of wiring for a long time now (2004 and beyond).
Can cable cat6e do this?
Sure!
Can you use this on a powerline adapter
What kind of powerline adapter?
is it necessary to split the cable at router end?
yes! If you cant you can buy an adapter which you connect to that cable and you get two cables with RJ45 connectors. Or simply buy two adapters one for the router side and another to your wall outlet instead of splitting Ethernet cable.
I use these adapters very often:
ali.pub/4x01fb
ali.pub/4x01g3
ali.pub/4x01h2
or you could just by a 5 port or 8 port network switch. just saying.....
okay preety smart
Thanks?
Talking about Smart TV hidden cameras, is it posible to prepare an ethernet cable for just to receive signal (data) and not sending anything back? Thanks for your time.
no it's impossible! IP protocol doesn't work that way. If your smart tv model comes with a web camera you can disable it through the service menu.
does it work for 2 PC's simultaneously? or 1 will have no reception when the other is using the connection?
Both will work at the same time. You are using two pairs of cable which anyways stay without work.
Thanks, bud. The other PC can't connect, though. I wonder where it went wrong.
Do you have a link? I mean some indication on the other PC?
yes a at the same time. It's just using the unused pairs for a second cable but it's not a great idea to do it.
i need help i only have blue,brown,white blue and white brown
That cable is only for one line. It's actually not even ethernet cable it's phone/security faxalarm cable. Some companies use that cable as ethernet cable to save a few bucks.
@@ElectronicsComputers
Hi, you did an amazing job. My problem is that the wall socket wires are blue' orange, whitexblue, whitexorange . What should I do ? And will it work in my case ? Please reply asap. Thank you for your time.
Just buy 5 Port Gigabit Switch for $20.
This method is actually a pretty useful hack if the cable has been installed inside of the wall and you need two separate direct connections to your switchboard.
two shitty non standard sub 100mbps connections*
Additional switch will need additional space and additional power cord.
So it means that only pin nos.1,2,3 & 6 are being used. Correct?
That's right
U ripped the cable apart
hey man ! I want to know that my PC is placed at a distance of about 100 feet from router . Can I share internet through a single cable of 100 feet from router to my PC?
Ethernet cable will perfectly work up to 300ft.
@@ElectronicsComputers If i connect it to another router than my PC. Will speed slow down or remains same in the second router ?
If your cable goes from one router to the second one and then you connect your PC to the second router by cable then there will be slight drop in speed which will be way higher if you connect your PC via Wi-Fi to the second router. Your router usually has a one WAN port and about 4 ethernet ports for a local network. So if you connect your that cable in any of those local network ports and then your PC in any of those ports (we don't use WAN port) then your router will work as an Ethernet switch so no drop of speed at all. But in that case your second router will not work as a Wi-Fi router. @@asimmehmoodali7167
@@ElectronicsComputers what if i use a ethernet splitter with original LAN and then two wires from splitter to first and second router. Then speed remains same or slows down?
I don't know how is your network organized... For example if you have a switch/router somewhere in your basement or whatever and there's a cable which you can split and connect one side into two ports of that switch and two other ends you can connect to both routers. In that case you'll get the maximum possible performance. @@asimmehmoodali7167
Those scratches on your hand/wrist... is that from work or from a demon kitten? I just got a kitten and my hands/wrists look exactly the same. Little Devil
Yeah, that's my cat shows his love to me :) I have a 20-year-old beast, that's very old for a cat. It's like a 100 yo human.
does it work for poe also?
If you want to split the cable for two more devices then there are no
wires for POE to transmit DC power. Because you used them for data
transmission for another pair of devices.
No, the poe uses the spare pairs.
@@ElectronicsComputers For most applications, PoE will still work, you just have to make sure that the device supplying the PoE (switch, NVR, injector, etc) supports PoE "Mode A". See the "10/100 mode A, mixed DC & data" section of the table at en.wikipedia.org/wiki/Power_over_Ethernet#Pinouts also see my video th-cam.com/video/XInzn6VjMcM/w-d-xo.html where I test that PoE works.
If I want from 1 Switch Port to 2 Computers, how?
You can only split a cable for two PCs and you need two ports to make it work. It's impossible to split one switch port for two devices. You can split wall socket for two devises but again on the other end you have to split the cable and you need two ports.
Will this work for T-568A wiring too?
Yes it will work.
It would work but you would be working with different colors.
Can we extend Poe port from one to 2 port
You can't extend the DATA line but you can extend power from PoE port. For example, if your switch has few PoE ports and a bunch of regular ports you can connect blue and brown wires from regular ports to brown and blue wires of PoE ports. Brown wires are DC positive and Brown wires are DC negative.
@@ElectronicsComputers sir how many voltage came out from this pair from Poe switch
@@tejaskansara2276 48 volts
@@ElectronicsComputers thank you very much sir
Why can't you just use a LAN cable splitter?
The main point of this video was just to show how to split the cable and connect two devices into one Ethernet outlet in emergency or as a temporary solution.
@@ElectronicsComputers OK Thank you, I see your point.