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Lightning damaging 1400 bridge

We have a 1400 bridge located on a radio tower. Three times it has been damaged by lightning and we have had to replace the unit. There is no physical evidence of it being struck directly, but all three times it quit was during a storm.

We are using the cable recommended and have it grounded to the tower and lightning protector installed as spec'd by Cisco.

We have tried the external antenna version and the built in antenna version.

Has anyone else experienced this and then found a good solution? If these units can not survive the real world, we are going to need to find an alternative method of networking the locations involved.

Has anyone ever tried to use 50 ohm coax on these?

We are considering using "hard line" similar to what we use on our two way radio equipment.

We are wondering if this unit is just too sensitive for this type of installation.

Rik

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Re: Lightning damaging 1400 bridge

What exactly is hardline installation. Can you give more information on that. Yes, this has been a problem with devices that are mounted outdoor. I feel the 50ohm coax should be good try.

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