AT$T has visited the site we share a lot more often than I have. ;-) Well, once I exclude fixing stuff they've messed up.
----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com ----- Original Message ----- From: "Daniel White" <[email protected]> To: [email protected] Sent: Sunday, April 26, 2015 4:48:06 PM Subject: Re: [AFMUG] Stainless steel wire ties Sure it will. Even the highest quality stuff. Had a site back in my WISP days that had LMR-400 running to a licensed radio head going 50ft up a tower attached every 5ft using 3m tape along the tower leg. A good snow storm with 100MPH winds came along and ripped the cable off the tower one day… I think 6 months after installation (so you can’t blame UV exposure). Went back and used hose clamps (after a helicopter ride later and two weeks of an area of our network limping along on a backup backhaul path) and never had issues again. Learned that lesson once after losing a lot of customers and feeling a lot of frustration (the site was on a 14,000 ft mountain and wind/snow conditions made it inaccessible during the winter basically… so it took two weeks for a narrow window to get up there). Will electrical tape or zip ties fail in most WISP applications for the life of the cable or installation of the equipment, probably not (heck I used zip ties on the cable for the SAF Integra radio on the roof of our office). But SCADA (and even the carriers) operate in a “do it right the first time by a well-worn and time tested book and never visit the site again”. It is a CAPEX/OPEX question really… and customers like Jaime is working with here can’t afford to take the hit on OPEX since it way outpaces the cost of the upfront CAPEX to overbuild the site. That site might take hours to get to, and the downtime cost could be in the hundreds of thousands of dollars. Why risk it on electrical tape vs. band-it (cost difference is maybe an additional hour of Jaime’s time and $20 in supplies?). The greatest gift being on the manufacturing side has given me is the opportunity to see hundreds of networks and thousands of different ways of doing things. Some are wrong, many are different shades of right. Some amaze me at the gratuitous overkill (here is looking at you Ricochet). As Lewis said in another thread recently, there is a point where spending more on the grounding system than the equipment it is protecting doesn’t make sense for an incremental improvement. Food for thought :-D *************************************************************************** Daniel White - Managing Director SAF North America LLC Cell: +1 (303) 746-3590 [email protected] Skype: danieldwhite Social: LinkedIn *************************************************************************** From: Af [mailto:[email protected]] On Behalf Of TJ Trout Sent: Sunday, April 26, 2015 1:35 PM To: [email protected] Subject: Re: [AFMUG] Stainless steel wire ties Black tape won't fail in your lifetime On Apr 26, 2015 11:32 AM, "Chuck McCown" < [email protected] > wrote: Zip ties will do the same freaking thing if you cut them with diagonal cutters. From: Jaime Solorza Sent: Sunday, April 26, 2015 11:49 AM To: Animal Farm Subject: Re: [AFMUG] Stainless steel wire ties Yes that was blood.. I took my gloves off to take pictures and grabbed tower leg to adjust and got a two inch cut on right thumb. Still healing. Jaime Solorza Avast logo This email has been checked for viruses by Avast antivirus software. www.avast.com
