AMD Phreak
Premium
join:2003-12-14
| reply to cmaenginsb
Re: How does the POE work?
You are right. It's a USB-ANT. From a quick google search it is mostly software controlled on the pc just like any other USB Wifi device.
I'm glad we have only a couple or so of these units. They seem like a turd. Short cable lengths prohibit any REAL installation, no quality software for configuration, and the list goes on. |
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public
join:2002-01-19
Santa Clara, CA
 ·DSL EXTREME
| reply to LLigetfa
Re: Dumb Customer Trouble Calls Revisited
said by LLigetfa  :said by electric6 :
Unless the computer has a POE NIC, you need a power injector and a 48V wall cube.
I think Tranzeo uses an 18 volt wall wart. There are all kinds of proprietary noncompliant implementations. If you have one of those attach a big noncompliant warning label. Otherwise someone will connect 48V and wonder what happened.
There are simple single chip compliant designs:
»www.linear.com/pc/productDetail.···5,P30872 |
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gpilot
join:2006-04-29
Napa, CA | its a good idea. Now a simple attenna that could plus directly via USB to a clients PC would be great because its simple and easy to deploy.
Link the HGA solutions where a simple CPE is under a 100 bucks. |
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cmaenginsb
Premium,MVM
join:2001-03-19
Palmdale, CA
| reply to ssprenge
Re: How does the POE work?
Lutful, if the device only used the power leads then it would not be limited to 15', however why have an ethernet device powered by USB?
gpilot, USB CPE like you're talking about has been discused here. Here are some problems with the idea:
1. Not easy and simple to deploy. USB CPE require drivers to be installed on the users PC and configuration information to be set on that PC. Even using active USB adapters they are harder to mount outside. Unless you can terminate the USB cable you need to drill a large hole than that for coax to allow for the usb connector to go through the wall.
2. Not easy to maintain. Anytime the user reloads their computer they need to reinstall the drivers and configure the thing. For troubleshooting purposes we can show up and test the radio with our laptop, if it works the problem is on the customer's side and other than making sure their network settings are correct we don't have to get involved.
3. Sharing. if you only want 1 customer computer connected to your network it's not bad. If the customer wants a setup similiar to DSL or Cable they would have to enable and configure internet sharing, which generally means you have to help them.
We offered USB CPE for a lower install charge when we first got into the business (like $100 cheaper). We had maybe 2-3 people take them.
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CCNA, Comtrain Certified Tower Climber |
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lutful
Premium
join:2005-06-16
Ottawa, ON
·TekSavvy Solutions..
| Just to clarify, I prefer to use standard 48V PoE devices or 48V injector with DC/DC converter. 
I have never deployed or recommended USB CPE. But almost all WISPs I helped asked why they cannot use the "cheap" USB adapters being sold at computer stores. |
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superdog
I Need A Drink
Premium,MVM
join:2001-07-13
Lebanon, PA
| said by lutful :I have never deployed or recommended USB CPE. But almost all WISPs I helped asked why they cannot use the "cheap" USB adapters being sold at computer stores. In 2003, I went around and ripped out every USB adapter we had in the field and replaced them with an ethernet solution. My tech. support calls went down 90%!!!. It also stopped my customers from sharing their settings with their neighbors. They would hand out the ESSID and WEP keys, and then the neighbor would just by a USB adapter off of ebay and get free internet. DO NOT USE USB ADAPTERS!. 
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»www.wavecrazy.net Join WISPA today! »www.wispa.org/ |
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