PoE home cabling issue for unifi APs

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70 posts

Master Geek

#2213899 9-Apr-2019 20:21

Yep these responses are what I was expecting, cheers all. Our electricians have done a stellar job on the other work in this build so I don't want to be too nasty but obviously this is outside of their field of expertise. I'm giving them the opportunity to clean this mess up but if it doesn't go well still I'll get in a data professional, I'm in Tauranga and have a contact through work who's great but if anyone knows anyone feel free to drop a recommendation (our build budget is already waaaaay over)

Thanks everyone, love this forum 😁

Coil

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#2213903 9-Apr-2019 20:35

hio77:
Did you have @coil in to do this?..

That is what I’d do if I disliked someone, not me this time.

sbiddle

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#2213904 9-Apr-2019 20:46

sloburn: Yep these responses are what I was expecting, cheers all. Our electricians have done a stellar job on the other work in this build so I don't want to be too nasty but obviously this is outside of their field of expertise. I'm giving them the opportunity to clean this mess up but if it doesn't go well still I'll get in a data professional, I'm in Tauranga and have a contact through work who's great but if anyone knows anyone feel free to drop a recommendation (our build budget is already waaaaay over)

Thanks everyone, love this forum 😁

When I see workmanship that poor I'd seriously be questioning all aspects of their work. You can't see 99% of what an electrician does.

coffeebaron

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#2213911 9-Apr-2019 21:24

Flick me a message if you need help. I spend most of my working time in Tauranga & Waikato area.

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antoniosk

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#2214016 9-Apr-2019 22:42

sloburn: Yep these responses are what I was expecting, cheers all. Our electricians have done a stellar job on the other work in this build so I don't want to be too nasty but obviously this is outside of their field of expertise. I'm giving them the opportunity to clean this mess up but if it doesn't go well still I'll get in a data professional, I'm in Tauranga and have a contact through work who's great but if anyone knows anyone feel free to drop a recommendation (our build budget is already waaaaay over)

Thanks everyone, love this forum 😁

Have you paid for this data cabling? Obviously the answer is yes, but you shouldnt have to pay for extra resource to do this work, unless you're getting a refund. Even then, the cabling is now in the walls, I really hope its good quality materials for cat 5e/6a work and not low end cat 5e

Also outside my knowledge area, but the unifi ap's are low-power PoE right? 7.3w or 15.4w right? not high power 61w?

________

Antoniosk

sloburn

70 posts

Master Geek

#2214020 9-Apr-2019 23:08

The APs are low power, that stuff i've done myself, only stuff i've asked for is the cabling. It's been a big job and I probably should have checked from the start that they were confident about data cabling but they also should have mentioned if they weren't. The cost to get someone in to finish it off is pretty negligible at this point in time so i'm not too worried, I may get someone in anyway to make sure it's done right

coffeebaron

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#2214024 9-Apr-2019 23:26

Also those crimped plugs are done as B spec. Normal fixed data cabling is usually done as A spec. Maybe they have done A spec at patch panel and B spec on the crimped plugs?

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hio77

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#2214027 9-Apr-2019 23:44

coffeebaron: Also those crimped plugs are done as B spec. Normal fixed data cabling is usually done as A spec. Maybe they have done A spec at patch panel and B spec on the crimped plugs?

psh, why would anyone care for conventions! that's what automdix is for right? ;)

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wratterus

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#2214126 10-Apr-2019 09:01

coffeebaron: Also those crimped plugs are done as B spec. Normal fixed data cabling is usually done as A spec. Maybe they have done A spec at patch panel and B spec on the crimped plugs?

@coffeebaron Is there actually a standard on this? I use B for everything for no particular reason but if there is actually a genuine reason or a standard I'm certainly keen to follow that...

SirHumphreyAppleby

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#2214289 10-Apr-2019 11:01

wratterus:

@coffeebaron Is there actually a standard on this? I use B for everything for no particular reason but if there is actually a genuine reason or a standard I'm certainly keen to follow that...

The two standards exist for compatibility with old telephone wiring standards. So long as the two ends of the cable match, either is fine and within specifications. The same is not true if the pairs are rearranged. The twist rate on the pairs varies. For this reason, certain devices which use Cat5e/6 cable may recommend a specific standard be used. E.g. I've seen HDMI extenders which explicitly state B wiring should be used.

darylblake

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#2214294 10-Apr-2019 11:08

I thought my work was a little shoddy, (im not an electrician). I did my own data cable crimping. But this is absolutely dreadful.

The least they could have done is plug in some cable testers. It takes a few seconds, and it means they don't have to come back...

coffeebaron

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#2214322 10-Apr-2019 12:07

wratterus:

coffeebaron: Also those crimped plugs are done as B spec. Normal fixed data cabling is usually done as A spec. Maybe they have done A spec at patch panel and B spec on the crimped plugs?

@coffeebaron Is there actually a standard on this? I use B for everything for no particular reason but if there is actually a genuine reason or a standard I'm certainly keen to follow that...

As above, either standard is fine; but commonly in use is A for fixed cabling between patch panel and wall plates, B for patch leads. If someone not familiar with this has followed A for the fixed cabling, then looked at a patch lead for the RJ45 plug on the other end, could easily have mixed the spec.

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sloburn

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Master Geek

#2214425 10-Apr-2019 15:06

After sleeping on it and pondering some more I've decided to get a data tech in to finish them off. Length of cable sticking out is getting shorter and shorter and I'm not sure if it'd be usable after another failed attempt

mdf

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#2214428 10-Apr-2019 15:14

sloburn: After sleeping on it and pondering some more I've decided to get a data tech in to finish them off. Length of cable sticking out is getting shorter and shorter and I'm not sure if it'd be usable after another failed attempt

I'm very happy to recommend @coffeebaron's work.

jonathan18

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#2214430 10-Apr-2019 15:20

This thread has reminded me of the wiring for our APs in our own house; again, we used an electrician, so mea culpa and all that!

But is there an easy way for a non-tech person such as myself to check that the wiring is done correctly? It's simply two CAT6 cables between the router and the two APs.

We have had problems with the APs holding a connection in the past, and I just wondered if this could be behind it.

Thanks.

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