Bt hub3 to bt hub5 ver b

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Hi guys i am on bt infinity2 with fttb and im changing the bt hub3 to a 5b ,this allows me to do away with the white openreach box. Both hubs have a red bt infinity plug which connected the openreach to the hub3/5 . Am i right in thinking that the hub 5 has a built in adsl setup and the red plug that went to the openreach box from the hub is not needed and i just plug into the adsl line rj45 i think with no loss of speed ?
 
You're right, the 5 has an integrated modem so you don't need the red socket, just the grey one to the wall. It's all in the quick start guide.

http://bt.custhelp.com/app/answers/detail/a_id/46549/~/bt-home-hub-5

(Some people say the separate modem is worth using still though I've never seen the point, using the red socket. Maybe useful if you reboot your router all the time and want the modem to stay synced.)
 
Yes, the Home Hub 5 has a built-in VDSL2 modem so you don't need that red Ethernet port. Just plug your phone line into the RJ11.
 
If you're having to purchase the HH5 then I'd leave it be, the only difference you might get in speed is a drop from having to resync with the cabinet.

The HG612 is a very good modem, I have one sat by the phone socket connected to my Plusnet Hub One (Plusnet branded HH5 Type A) the two work flawlessly together, I get better speeds this way as the HH One doesn't support G.INP on the downstream, which gives me a slower sync with the cabinet. I believe the HH5 Type B does support G.INP though..
 
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My advice is to check the guides on kitz.co.uk to find out if you have a Huawei or ECI cabinet. You then want to match your modem to the cabinet chipset so Broadcom for Huawei or ECI for ECI. The Openreach modems are actually better than the VDSL modems in the HH5 a (ECI) or b (Broadcom) but there isn't a huge difference if you want the HH only. If you stick to the Openreach modems, again, there are two key versions HG612 (Broadcom) and ECI.

The important thing is to match the chipsets to optimise speeds, in particular if you a Huawei cabinet on your street, you can enable G.INP and get a 10% download boost. As mentioned, both the HG612 and HH5b support G.INP.
 

Interesting, thanks for explaining that.

I went through the motions and think I've got a Huawei cabinet. (Instructions here, just got the cab number from the broadband checker and the vendor from telecom-tariffs.co.uk) Most of the 98 in the area are (the rest say nothing) so I'm pretty confident.

I happen to have an old Openreach modem that says ECI on the back, so I think this is another reason for me not to bother with it over my HH5b.
 
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