Don't you have fuses on your 48V rail? On Mon, Dec 18, 2017 at 9:37 AM, Josh Baird <[email protected]> wrote:
> In this scenario - would you fuse each DC run from the small top-enclosure > (where your power/fiber breaks out) to the radio(s)? > > I'm looking at doing something similar to power some Baicells eNBs. > TSP/BCM at the bottom, 14AWG DC/fiber up the tower to a small enclosure > where the power/fiber will break out to the eNB's and a switch. > > What would you put at the bottom between the 48VDC rail and the run to the > top? A breaker? A large-ish fuse? > > Josh > > On Fri, Dec 15, 2017 at 2:48 PM, George Skorup <[email protected]> > wrote: > >> Get the Shireen DFP-1246. That has a red and a black 12AWG. And 4x >> single-mode fibers. You could do even one single run of that and 4x BiDi >> optics. Or a run for each radio if you're stuck with duplex optics. The >> reel is 500', so I would just do two dedicated runs. Bring it up to a small >> enclosure. Terminal strip or whatever for your power. LC-LC couplers or a >> patch panel. Flexible conduit from the radios to the enclosure. Use >> standard patch cables inside from the radio to the coupler/patch panel. >> >> Have your guy splice on some LC pigtails. Or go to FS.com and get some >> mechanical LC connectors. As short as the run is, I would not be concerned >> with mechanical connectors. This is single mode, so you're going to have >> plenty optical budget. >> >> That's my 2c anyway. >> >> >> On 12/15/2017 10:52 AM, Steve Jones wrote: >> >>> We are putting our first fiber to the radio, I have no clue the >>> components. It appears this link will have 4 LC connectors on single fiber. >>> >>> Theres a conduit kit for the radio, looks like 2 to each radio in 2+0 if >>> im understanding correctly. I figure we will need an enclosure at the top >>> for these to enter to let the fiber pairs split out. >>> >>> The two big questions are >>> >>> Can I get this cable in pre terminated patch cords affordably and just >>> cut the jacket back to get the pairs to the radios. >>> >>> If its preterminated without running big pipe, conduit is kind of out so >>> is just something copper clad similar to BBDGE recommended? >>> >>> Neither of these are more than 120 feet >>> >>> Our guy can splice at 70 bucks per, but im not sure how viable that is >>> in the air (these are grain elevators though) >>> >>> Both these radios have existing cat5 BBDGE, can I use that to run about >>> 105 watts @ 48volts split out to two radios at 120 feet? >>> >>> Im pretty excited to not have ethernet negotiation issues or surges >>> >> >> > -- Carl Peterson *PORT NETWORKS* 401 E Pratt St, Ste 2553 Baltimore, MD 21202 (410) 637-3707
