Albany / Greenhithe Node

icepick · #1 (**permalink**) 07-31-2003, 02:43 AM

Hi,

Just got my AP delivered and will be setting up my node on Saturday to go live, building it tonight. I need a set of IP addresses as well as a name of someone I could possibly connect to. I am on nodedb but don't see anyone.

My other problem is that I'm in a ****** dip and see hills all way round, so whats suggested for a strong antenna?

I'm using a DWL-900AP+

Thanks
Barry

Noodles · #2 (**permalink**) 07-31-2003, 03:43 AM

Hey,

Best to read some other posts in the forum (in regards to getting an IP subnet)

http://www.nzwireless.org/postt82.html

But i've setup a subnet for you, and emailed you the details anyway

icepick · #3 (**permalink**) 07-31-2003, 11:28 AM

Hi,

If anyone has a biquad or antenna lieing around that they arn't using because they have upgraded to something better. Please contact me as I would be interested in buying or lending one.

Thanks
Barry

P.S. my DWL-900+ap has 5v 2amp output, would it be possible to do ROEP? I cant find a 5v 2a regulator at dick smith and not sure if i can push that power through cat5e?

Noodles · #4 (**permalink**) 07-31-2003, 05:36 PM

I have a dlink 900+ as well, and was going to do PoE, but doing it at 2A would cause a huge volt drop, so i'm going with an external dc power cable which i'll run next to the cat5 cable

icepick · #5 (**permalink**) 07-31-2003, 08:50 PM

Would you use any regulator with this?
What size poer cable can I use?

Shane · #6 (**permalink**) 08-01-2003, 08:08 AM

I built a power over ethernet kit for just over $30 from Dick Smith. It works fine with my Dlink DWL-2000AP.

This link is what i followed and it works well.

www.nycwireless.net/poe/

icepick · #7 (**permalink**) 08-06-2003, 01:03 AM

Ok, my PoE doesnt seem to be working, it goes on, then all the lights flash, then LAN light goes off and WAN flashs very dim. I guess it's a volt drop over the 17meter cat5e cable.

Questions:
1./Does it matter if it's a core cable and not fibered, i.e. 1 strand and not many.
2./ Does 5v 2A go through cat5e alright?

Barry

Noodles · #8 (**permalink**) 08-06-2003, 07:27 AM

5v 2A over 17m cat5 should drop about 2.38V, which is about half of your voltage, hence why your AP isn't working. I decided not to go with PoE for this reason, and will be running a seperate DC cable which should have a very low volt drop.

For those who want to calculate the volt drop

cat5 is about 7ohms per 100m (i think)

V = IR

therefore
17/100 * 7 = 1.19ohms for 17m

V = 2Amps * 1.19ohms
V = 2.38V

icepick · #9 (**permalink**) 08-07-2003, 07:14 AM

Works with 10meters.

Up up and away on the roof tommorow