The plague killed a lot of people On Jun 10, 2016 10:26 PM, "Jaime Solorza" <[email protected]> wrote:
> Check upper left din rail with all those surge suppressors. These are > protecting pulse radar transmitters, relays, valve contacts, pressure > sensors, etc....our system is tied into AC, alarms,.motors, pumps, sluice > gates system, generator, etc via some type of copper cable. These protect > our system as well as all storm well devices. Millions of dollars of > equipment needing protection The plant has ground rings which are bonded > and one that is isolated. Tower has an air terminal with straight path to > grounding system. Heliax cable has ground strap tied to ground, and > Polyphaser on Heliax is at bottom of tower tied to ground. For someone to > tell you surge protection is not necessary is wrong. We have Ethernet > surge protector inside cabinet as well... > On Jun 10, 2016 1:49 PM, <[email protected]> wrote: > >> They don't add resistance. (Actually Cambium's suppressor does add about >> 7.2K ohm load on each pair but it should not hurt). >> They do add a minor amount of capacitance, equivalent to perhaps a foot >> of CAT 5 cable. >> >> >> -----Original Message----- From: Keefe John >> Sent: Friday, June 10, 2016 1:42 PM >> To: Animal Farm >> Subject: [AFMUG] Surge Suppressors >> >> Someone recently told me we shouldn't use surge suppressors on towers >> because they add too much resistance. What would you say about that >> Chuck? >> >> Right now we use GIGESS-HV within 3' of the radio on the tower and >> GIGEAPC-HV at the tower base. >> >> Keefe >> >>
