The 820C (and IP20C) have two 820S (IP20S) radios in one case. Jeff Broadwick ConVergence Technologies, Inc. 312-205-2519 Office 574-220-7826 Cell [email protected]
> On Oct 25, 2016, at 11:50 AM, Bill Prince <[email protected]> wrote: > > I'm not familiar with Ceregons in general. If that's the case, I will shut my > pie hole. > > > bp > <part15sbs{at}gmail{dot}com> > >> On 10/25/2016 8:44 AM, Ken Hohhof wrote: >> If it’s an 820C, isn’t that dual core, meaning 2 radios in one unit, no >> separate combiner needed? >> >> From: Af [mailto:[email protected]] On Behalf Of Bill Prince >> Sent: Tuesday, October 25, 2016 10:27 AM >> To: [email protected] >> Subject: Re: [AFMUG] UT Local Ceragon Installer >> >> Are the two radios mounted through an OMT or such? Did they happen to switch >> which one is V and which one is H? >> >> >> >> bp >> <part15sbs{at}gmail{dot}com> >> >> On 10/24/2016 8:06 PM, Sterling Jacobson wrote: >> Well, worst case scenario someone along the way f’ed up the hardware and I >> would need the same installer(s) to know enough to tell me I need a new part >> or whatever. >> >> They did take apart the mount and maybe even the antenna from the radio in >> order to shift it to left or right hand mount. >> So there is a possibility something happened when they did that. >> >> This link WAS working from the same mountain tower to a slightly different >> location about the same distance just on one polarity for over a year. >> Because of licensing, I had to have the radio pair removed, and moved to >> opposite locations, with some storage in between time etc. >> >> I’m going to be super pissed if something happened physically to the radios >> or dishes. >> But at the moment everyone working on it so far is too stupid (including >> myself) to know the difference between config/aim and hardware issue. >> >> I’ll still pay to have someone competent tell me that everything is all good >> except that I need a part fixed, IF they can discern that with confidence. >> >> >> From: Af [mailto:[email protected]] On Behalf Of Ken Hohhof >> Sent: Monday, October 24, 2016 9:00 PM >> To: [email protected] >> Subject: Re: [AFMUG] UT Local Ceragon Installer >> >> Misalignment will almost always affect both directions. Yes, on a licensed >> link the 2 directions are different frequencies, but not that different. >> >> What you describe sounds kind of like a bad radio, or a configuration >> problem. Like xmt power set wrong on one end, or a xmt frequency out of >> range of the diplexer. I’m not familiar with Ceragon ordering, but I assume >> they have different diplexers for different sub bands. >> >> >> From: Af [mailto:[email protected]] On Behalf Of Sterling Jacobson >> Sent: Monday, October 24, 2016 9:45 PM >> To: [email protected] >> Subject: Re: [AFMUG] UT Local Ceragon Installer >> >> That’s probably exactly what happened. >> >> They spent hours on it and were still way off on dB on one side only. >> That’s why I assume the other side is angled or rotated too far (dual >> polarity X-Pic). >> >> One guy didn’t even use the volt meter, just had someone read dB from the >> web page. >> >> They didn’t even ask for angles, degrees, nothing. >> Just all by supposed line of sight, no scopes, and not even binoculars I >> think. >> >> I wasn’t too happy about the whole situation, so I don’t want a repeat of >> that. >> >> It’s less than 10 miles across Utah Lake, one end on a leg on a tower on top >> of a mountain, the other on a smaller tower attached to concrete wall near >> the freeway. >> >> >> From: Af [mailto:[email protected]] On Behalf Of Ken Hohhof >> Sent: Monday, October 24, 2016 8:38 PM >> To: [email protected] >> Subject: Re: [AFMUG] UT Local Ceragon Installer >> >> Are these big dishes? Did you not get a well defined peak during alignment? >> Is the signal more than a couple dB less than predicted, like 20-30 dB low? >> You’re on a sidelobe. I’ve had experienced tower guys run into this. They >> tend to be stubborn and believe they can align a dish with a 1 degree >> beamwidth by eye, and then they spend half an hour trying to tweak the >> alignment to get an extra 1 dB when they’re 20 dB off. Once the signal >> starts getting worse, they go back the other way instead of continuing. >> Convince them to do a wide sweep, and they find the main lobe. You have to >> go through the valley to find the mountain. >> >> >> From: Af [mailto:[email protected]] On Behalf Of Sean Heskett >> Sent: Monday, October 24, 2016 9:14 PM >> To: [email protected] >> Subject: Re: [AFMUG] UT Local Ceragon Installer >> >> The angle of the leg shouldn't matter...at most you'd loose ~3db but it'd >> have to be almost at a 45* angle for that. (Chuck did a demo at one of the >> animal farm events) >> >> If you can get me remote access I can look at the config for ya. They are >> very un-intuitive to say the least lol. >> >> -Sean >> >> >> On Monday, October 24, 2016, Sterling Jacobson <[email protected]> wrote: >> I need to get my Ceragon link running, it's been forever. >> >> I think someone on this list had offered me their service local to Utah for >> this. >> I am paying for this, either by Job or by hour. >> >> If you remember offering, and it's you, or you think you would like to help, >> then let me know. >> >> I've got the link installed on both sides and configured, just something not >> lined up or configured correctly. >> >> The local guys I used originally earlier this year couldn't figure it out. >> And I think the mountain side link is not mounted true and needs a proper >> mounting on the leg, or hardware to mount it true, not on the leg at an >> angle. >> >> >
