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--- guides:inter-building_connectivity_solution_guide [2018/05/17 10:59] – [60 GHz] jliechty
+++ guides:inter-building_connectivity_solution_guide [2025/05/12 13:37] (current) – external edit 127.0.0.1
@@ Line 23: / Line 23: @@
 ===== Cable Path Considerations =====
-...for when using a physical link may be better than wireless...
+A wired connection may be needed either because line of sight is not available, or there is not sufficient spectrum to achieve the bandwidth required, or wireless radios add too much latency for the network applications in use. If a conduit or overhead cable path is available between the structures, a copper or fiber connection can be used.
-...definitely going to cover grounding...
-...to be continued...
+Copper is simper and less expensive than fiber, and may be used for cable paths up to 100 meters, as long as grounding issues are addressed. In environments with lightning or other sources of electrical surges, if the two structures do not have their electrical grounds bonded to each other, the copper communication lines will become a more desirable path for electrical surges, and surge-related equipment damage will be likely. If the connection is being made between a main building and an outbuilding that receives power from a panel in the main building, contact a qualified, licensed electrician to verify that the grounds of the main building and outbuilding are properly bonded. If the two structures - or two parts of a larger structure - receive power from separate service entrances or otherwise do not have their grounding points bonded together, do not use copper connections between network equipment in the respective structures.
+Fiber connections are recommended, and required if electrical considerations rule out copper or if the distance of the cable path exceeds 100 meters. This [[https://www.reddit.com/r/networking/comments/3gx5dz/ysk_if_you_dont_about_fiber_optics_and_how_they/|Reddit post]] contains a thorough overview of the types of fiber, connectors, and standards that may be used. For fiber SFP/SFP+ module compatibility, refer to this [[https://help.ubnt.com/hc/en-us/articles/205220850-EdgeSwitch-SFP-SFP-and-DAC-Compatibility-List|EdgeSwitch SFP/SFP+ and DAC Compatibility List]].
 ===== Network Applications =====
 ...discussion of bandwidth and latency as pertaining to airMAX and airFiber products, or when that might not be enough and physical cable is required...
+FIXME