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LAN cable issues..

Started by Zachary Peterson6 · · 👁 4 views · 9 replies

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Participants Zachary Peterson6wiredcanyon94wearymason4Jonathan Mendoza17darkowl72Michael Jackson10
Zachary Peterson6 Zachary Peterson6 MemberOP
23 messages
joined Oct 2013
#1 ·
So, I’ve got this LAN cable where one end is hardwired right into my house... the other side runs out to a neighbor's place, but it’s just sitting there severed because of some construction work nearby. Does anyone know the best way to actually splice these two ends back together?
wiredcanyon94 wiredcanyon94 Active Member
129 messages
joined Nov 2022
#2 ·
Zachary Peterson6 said:So, I've got this Ethernet cable where one end is hardwired inside my house... the other end runs to the neighbor's place and it's just sitting there, but it got severed during some construction work... how do I patch these two ends back together?

Use something like this:
https://www.google.be/search?q=utp+c...lnOELrtxRlM%3A

If speed is your main concern, just know you're going to take a hit. How much? Hard to say. It really depends on how long that run is.

Edit:
There's no way to predict the drop without seeing it first. Obviously, you can just test it once you've got the connection back up. 🙂
Zachary Peterson6 Zachary Peterson6 MemberOP
23 messages
joined Oct 2013
#3 ·
wiredcanyon94 said:Something like this:
https://www.google.be/search?q=utp+c...lnOELrtxRlM%3A

Look, if speed is your main concern, you've gotta realize there’s gonna be some drop-off. I mean, how much? Who knows. It really just depends on how long the cable run is.

Edit:
You can't exactly predict the exact loss blindly beforehand. Obviously, you'll be able to measure it once you actually get the cable hooked back up. 🙂

okay, my only real question is, how am I supposed to crimp those connectors onto the wires?
wearymason4 wearymason4 Active Member
239 messages
joined Oct 2014
#4 ·
...you just find someone working an IT gig somewhere, maybe at a place like Verizon or even some local tech startup, who can just grab a crimping tool and snap those connectors onto the Ethernet cables for you.
Jonathan Mendoza17 Jonathan Mendoza17 Member
34 messages
joined Feb 2019
#5 ·
You’re definitely going to need a pair of crimpers like these

Basically, you pick up some RJ-45 connectors and then you just have to line up the wires in a specific sequence—it all depends on how things are laid out on the other end of the cable. It’s worth doing a little bit of reading up on the whole process first!

https://en.wikipedia.org/wiki/Category_5_cable
wiredcanyon94 wiredcanyon94 Active Member
129 messages
joined Nov 2022
#6 ·
Zachary Peterson6 said:So I've got this Ethernet cable where one end is hardwired inside my house... the other end runs to a neighbor's place and is just sitting there, but it got severed during some construction work... how do I splice those two ends back together?

The guys already gave you the rundown on connectors.
But honestly, thinking about it now—you said it was cut. If that break happened outside the house, you’re going to need serious insulation for that connection. Those standard connectors aren't waterproof.
I'm sure you've realized that by now, but figured it was worth mentioning.
Zachary Peterson6 Zachary Peterson6 MemberOP
23 messages
joined Oct 2013
#7 ·
Thanks everyone, I guess it’s pretty clear now... nothing gets done without a good pair of pliers...
darkowl72 darkowl72 Regular
311 messages
joined Oct 2015
#8 ·
In theory, yeah...

But look, if you’re stuck on a deserted island with nothing but time on your hands, 😬 you could technically strip the insulation off every single wire, twist the matching pairs together, and tape them up properly...

If you actually pull that off, it’ll work, and you probably won't see a massive drop in signal. The problem is that it’s an incredibly tedious, soul-crushing amount of work.

Your better bet is to just swing by Chipotle and see if they can help you out, or borrow some crimping tools, or find someone willing to drive out to you to fix it. Honestly, I’m sure any TV repair tech has a crimper lying around; surely someone could lend you one... 🤷
Michael Jackson10 Michael Jackson10 Active Member
140 messages
joined Feb 2023
#9 ·
They’ve got all sorts of gear out there, like stuff with LSA terminals, but most of it is expensive as hell—honestly, you're better off just buying a good pair of crimpers instead.
That said, I wouldn't go flying blindly into a setup like this, especially for situations like:
A junction box

therefore toolless, a sealed box (though I’d probably hit it with some silicone or hot glue myself), isn't breaking the bank...
But everyone keeps overlooking one massive point: that cable is running between two buildings, right? So I'm assuming it was hanging in the air, not just tossed on the ground. Ethernet cable isn't designed to be self-supporting, and the whole point of these connectors is to ensure a standard Ethernet connection, not to act as a structural support for something that was never meant to hang over a long span.
So, what, are we just supposed to use some kind of guy wire or something??
wiredcanyon94 wiredcanyon94 Active Member
129 messages
joined Nov 2022
#10 ·
Michael Jackson10 said:They’ve got all sorts of gear out there, like stuff with LSA terminals, but most of it is overpriced as hell—honestly, you're better off just buying a decent pair of crimpers than wasting money on those kits.
That said, I wouldn't go flying blindly into a project like this, especially for situations like:
Junction box

dakle toolless, a sealed box (though I’d probably hit it with some silicone or hot glue just to be safe), isn't really breaking the bank...
But everyone seems to be overlooking one massive detail: is that cable running between two houses? If so, I’m assuming it was suspended in the air, not just tossed on the ground. Standard network cable isn't designed to support its own weight over a distance. The whole point of these connectors is to maintain a standard Ethernet connection, not to act as a structural support for something that was never meant to hang unsupported over a long span.
So, what about a messenger wire or something similar??

True enough.
And if I can jump in regarding signal loss: that UTP lan cable consists of eight wires, twisted into four pairs. No matter how you tackle the splice, the goal is to untwist those pairs as little as possible. The more you mess with the twists, the worse your signal degradation gets.
Anyone who actually does this for a living knows that, but if someone is tackling this as a DIY project, it's worth mentioning.

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