That sounds expensive. I wonder if that would help in where there's rf problems like at high power broadcast colo's
Greg On Mar 14, 2010, at 10:11 PM, Philip Dorr wrote: > We use two fiber transceivers and a jumper on our ethernet when we > want to have electrical isolation. > > On Sun, Mar 14, 2010 at 6:30 PM, Greg Ihnen <[email protected]> wrote: >> I've seen a telephone (copper pair) optoisolator which had a short piece of >> fiberoptic cable inside. Each circuit on both sides of the cable had their >> own highly isolated power supplies. This was the only thing that worked in >> the Amazon region to stop phone equipment from getting wiped out during the >> intense electrical storms. The beauty of this device was it didn't require a >> first class ground system to work, in fact it didn't require any ground. A >> ground would just present up a difference in potential between the phone >> line and ground and encourage destruction. The telco side of this thing >> would just float at what ever potential the telco's lines were presenting >> and the on site equipment on the other side of this thing never saw that >> potential. Has anyone seen such a thing for Ethernet? >> >> Greg >> >> >> -------------------------------------------------------------------------------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> -------------------------------------------------------------------------------- >> >> WISPA Wireless List: [email protected] >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: [email protected] > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
