"One thing I did like, the handles on the ODU of the Giga. Made aligning 3ft dishes a bit easier..."
Wow, just noticed this comment and felt this should be addressed. The handles should not be used for alignment as the ODU is attached to the antenna - suspended with relatively light duty hardware. This hardware is only designed to support the ODU and not intended to be used to move the entire antenna assembly. This is also true with Ceragon, PCOM, DMC and Bridgewave to be sure. The PCOM 38GHz ODUs do have a sort of bump stop built-in that will make contact before the ODU is pivoted and eventually forced off, but still the ODU is never to be used as a handle to align with. Always use the built-in alignment mechanism in the antenna mount and never the ODU itself Brad -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Brad Belton Sent: Friday, November 28, 2008 12:42 PM To: 'WISPA General List' Subject: Re: [WISPA] Trango Apex "I don't understand why Trango did that... my really old PCom links had the waveguide built onto the dish..." One reason. Cost. Trango is able to use the same ODU housing for all their supported freq bands by simply making the waveguide adapter modular. The early Giga radios shipped the waveguide adapters with screws & lock washers. I was concerned this left too little screw thread available and opted to leave the washers off. Now the waveguide adapters come with screws and instead of the lock washer they have a rubber ring. While still leaving too little thread IMO, we have never striped one out. It is possible your tech tried to tighten one screw all the way down rather than tightening the screws in an equal pattern similar to the way you would tighten lug nuts on a wheel. I remember emailing Trango and recommending they have their waveguide manufacturer mill out a little more material from the screw seat to allow the screw to thread more fully into the ODU housing. Not sure if that has been done or if it is in the making. I agree the LED display is gimmicky and prefer a BNC port, but does work ok if you have the align mode on. Without the align mode the LED display is pretty useless. We have found it is also not a good idea to be running link or rssi commands from the console while aligning the antennas. Doing so will slow or diminish the accuracy of the LED readings. Brad -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of 3-dB Networks Sent: Wednesday, November 26, 2008 7:00 AM To: 'WISPA General List' Subject: Re: [WISPA] Trango Apex One more quick rant... those waveguide pieces SUCK. They caused many problems (screws on them stripping out, or some tech installing them the wrong way before it was sent up the tower and installed so I when we went to align them it wouldn't work because the waveguide was twisted 90 degrees...) I don't understand why Trango did that... my really old PCom links had the waveguide built onto the dish... Daniel White 3-dB Networks -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of 3-dB Networks Sent: Wednesday, November 26, 2008 5:43 AM To: 'WISPA General List' Subject: Re: [WISPA] Trango Apex Tom, Quick question, then my response... do all Apex's ship with the fiber port in them? I really have to bite my tounge... I don't want to get into what all happened (basically I don't want my thoughts made public and the customer I was working for to read them) but I was not impressed at all with the Trango Giga product... I just helped install nine links last week. All I did was install and configure the radios, so yes they said 256QAM at 3xx Meg... but I didn't get to test it with live data, etc. What I will say, the alignment LED is a gimmick. Give me a BNC connector hooked up to a voltmeter any day. First my voltmeter is going to read to decimals, which is very helpful aligning long links. Second, the LED is about worthless if the sun is shining on it, you have to cover it with your hands to read the numbers which was difficult on at least one link I was aligning. Third, positioning on some towers to align the link made reading the LED difficult. None of these issues are problems with my voltmeter, I simply just use a strip of electrical tape and tape it to the ODU where I want. One thing I did like, the handles on the ODU of the Giga. Made aligning 3ft dishes a bit easier... With all of that said, what is the price on the Apex now that the summer special is long over? Before jumping for Trango, I would encourage anyone to show me a current quote and to see if I can match it with Dragonwave... from what I understand I can come damn close :-) Daniel White 3-dB Networks -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Tom DeReggi Sent: Wednesday, November 26, 2008 12:38 AM To: WISPA General List Subject: [WISPA] Trango Apex Not sure how many of you have tried the new Trango Apexes yet, but I thought I'd share my recent experience.... OK.... 366mbps, 256QAM, Cost me much less than I was expecting. And.... it just freakin Worked! WooHoo! Man, I like this radio. I specificaly liked the fact that the all outdoor unit, comes with 3 ports, 1 fiber, 1 GigE, 1 out-of-band managemnet, and supports inband management on the GigE. What I thought was unique was that either of the two Ethernet ports could be used to provide the POE power input. And also optionally can just run stanrdard Electrical wire to the Molex connector instead if prefer. But I was extremely impressed at the flexibilty in options to install this. The alignment LED is also awesome, that is positioned in a convenient place and shows actual RSSI DB number, as it really speeds up install and made it possible for one person to accurately align it. Also note... The older Giga had some anoying firmware bugs last year in their Betas (typical of Beta), and I finally got around to upgrading to the latest firmwares. (I was 9 months overdue for the task) Guess what... All the problems are FIXED!! Atleast the ones I knew about. I was really pleased. I have to say this product line is REALLY coming along nicely. Only thing I caution to be aware of is.... It takes a while to fully understand the relationship of how well your link is performing in relation to what the MSE value of the radio is. MSE is the equivellent of measurement of SNR and distortion. And the ATPC and Adaptive Modulation thresholds are based on specific MSEs reached. The MSE feature/meter works good and accurately, it was just an issue of understanding how to interperate it. I was also impreseed on how fast they associate when they are taking out of opmode and back on in opmode. Its super quick. Tom DeReggi RapidDSL & Wireless, Inc IntAirNet- Fixed Wireless Broadband ----- Original Message ----- From: "Butch Evans" <[EMAIL PROTECTED]> To: "WISPA General List" <wireless@wispa.org> Sent: Monday, November 24, 2008 11:45 PM Subject: Re: [WISPA] WiMax delays? > On Mon, 24 Nov 2008, Travis Johnson wrote: > >>I don't think this is entirely true. For us, it becomes a "value" >>decision. If there was an AP that would deliver 100Mbps and could >>support 1000 subscribers, I would be willing to pay $10,000+ for it >>today. There is a real "gap" in the products that are available on >>the market: > > I don't disagree with your assessment of the current product matrix. > I don't even assume that ALL WISPs are "cheap". I am not sure I > would say that even MOST of them are cheap. But enough of them are > that the middle of the road products you want are missing in action. > >>Next = Mikrotik >>Next = Trango, Canopy, etc > > Since they have fixed their wireless, I'd put MT in the same class > as Trango and Canopy. > >>So, again, why hasn't there been an evolution of products the last >>2-3 years? Did everyone stop normal R&D to focus on WiMax? > > I have an opinion (which I stated in rant form) about what happened > to the R&D. The Canopy line (which is a very nice radio) is a good > example. Motorola has delivered a product that just works. It is > expensive compared to other products sold to the same "marketplace", > but it is NOT expensive for what it delivers. Better, yet, they are > working to make a new product line that will improve upon what is > available today. But their primary market isn't the "normal" WISP. > They service companies that are better funded, which typically means > larger WISPs, cable companies and telcos. > > I really hope I didn't offend anyone with my rant. It wasn't > intended to do that. I really just wish our industry as a whole > would get out of the hole that we have dug with the "cheaper is > better" mindframe. > > -- > ******************************************************************** > * Butch Evans * Professional Network Consultation* > * http://www.butchevans.com/ * Network Engineering * > * http://www.wispa.org/ * WISPA Board Member * > * http://blog.butchevans.com/ * Wired or Wireless Networks * > ******************************************************************** > > > ---------------------------------------------------------------------------- ---- > WISPA Wants You! 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