I'm about ready to specifically exclude water damage from what we will honor a warranty on. Lightning I want to see because it is useful to see the failure mode so I can improve lightning resistance in successive versions.
Not much I can do design wise to prevent water related corrosion. It's pretty obvious when water causes the damage. My favorite one was the syncinjector which came back with water rings on the inside and outside of the case where you could see that the bottom of the unit has been underwater several times. Obviously had been in the bottom of a enclosure which filled with water numerous times. My recommendation is going to be to cut a hole in the bottom of the drip loop to permit the water to drain out. Several customers I've talked to are doing that with great success. On May 10, 2015 8:22 AM, "Chuck McCown" <ch...@wbmfg.com> wrote: > Maybe strip back the cable a bunch so the water has a chance to > escape. Or make a ring cut on the jacket where the cable is at a low point. > > *From:* Mike Hammett <af...@ics-il.net> > *Sent:* Sunday, May 10, 2015 8:20 AM > *To:* af@afmug.com > *Subject:* Re: [AFMUG] APC-DIN Mount > > A drip loop doesn't help when the water is on the inside. You've got > however high up it is to the nick in the cable's worth of head pressure. > Could have been poor installation, could be birds, squirrels, etc. If you > get water in, it'll come out the end. > > I've met up to three squirrels on the way up the grain leg. That's always > a pleasant feeling when you're ascending and you find a little brown fluffy > critter.... and then another... and then another. > > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > <https://www.facebook.com/ICSIL> > <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> > <https://www.linkedin.com/company/intelligent-computing-solutions> > <https://twitter.com/ICSIL> > > Midwest Internet Exchange > http://www.midwest-ix.com > > <https://www.facebook.com/mdwestix> > <https://www.linkedin.com/company/midwest-internet-exchange> > <https://twitter.com/mdwestix> > ------------------------------ > *From: *"Chuck McCown" <ch...@wbmfg.com> > *To: *af@afmug.com > *Sent: *Sunday, May 10, 2015 9:14:54 AM > *Subject: *Re: [AFMUG] APC-DIN Mount > > We just buy APC PRM4s and put a nice metal din rail mount on the back. > It is screwed on. You could un screw it and mount it elsewhere. > > I presume you have good drip loops that keep water from following the > cables to the surge suppressors. > > *From:* Mike Hammett <af...@ics-il.net> > *Sent:* Sunday, May 10, 2015 7:45 AM > *To:* Animal Farm <af@afmug.com> > *Subject:* [AFMUG] APC-DIN Mount > > It's hard to tell from the picture. Must the chassis be mounted to the > DIN rail via the back of the chassis or can the mount be relocated to the > top\bottom? I assume it can't be moved, but I'd like to mount it so that > the ports of the surge suppressors are pointing down. Should any water > enter the cable, gravity would take it back out of the connector, down the > side of the cable instead out the back of the connector, down onto the next > surge suppressor below it. I could just put a DIN rail at the top of the > box, but just wondering if I could just use the same rail I'm using for > everything else. > > No, it's not green cable and there shouldn't be any wear points, so I'm > not really sure how it's getting in. > > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > <https://www.facebook.com/ICSIL> > <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> > <https://www.linkedin.com/company/intelligent-computing-solutions> > <https://twitter.com/ICSIL> > > Midwest Internet Exchange > http://www.midwest-ix.com > > <https://www.facebook.com/mdwestix> > <https://www.linkedin.com/company/midwest-internet-exchange> > <https://twitter.com/mdwestix> > >
