5 ms·

I'm not sure what you mean by "better-quality shed" but cabinet sizes today are often less than 1 cubic meter. I guess you know that, but thought it might surpr

I'm not sure what you mean by "better-quality shed" but cabinet sizes today are often less than 1 cubic meter. I guess you know that, but thought it might surprise some people. One cabinet doesn't really replace a multi-story building. Many cabinets spread out over the service area do the job. But each cabinet can perform all the functions that used to happen in the large building. They just make it economical to perform those functions for 100 - 1000 subscribers, instead of having to centralize them into a single location that serves 5,000 - 100,000. Those cabinets are not a result of fiber. They were more a necessity of high bandwidth services without fiber. Think ADSL. Fiber actually makes it possible to go back to more centralized service while providing even more bandwidth. You can deploy passive fiber splitters in an old-fashioned pedestal and keep the active optics in the multi-story building for 100,000 subscribers again. Maybe you meant that the active optics would only fill a small shed's worth of space in that old building. I finally caught up to you.

fleventynine 2y ago
With 64 XGS-PON customers per SFP+ module, the only active equipment you need to terminate connections for over 60,000 customers fits into a single rack. Large centralized buildings are largely obsolete unless you want to offer services beyond basic Internet access.
- freeopinion 2y ago
  Yep. And services like voice for 60,000 only takes 1/4 rack.
mschuster91 2y ago
The large space savings IMHO come from getting rid of the point to point connections via these massive 2000+ wire cables and their corresponding patch panels and routing infrastructure. With GPON you only need a single SFP module and passive optical splitters in the underground buried junctions, no need for any roadside equipment. (Worked as a trench digger / roadside equipment box installer once in younger times)

fleventynine 2y ago

With 64 XGS-PON customers per SFP+ module, the only active equipment you need to terminate connections for over 60,000 customers fits into a single rack. Large centralized buildings are largely obsolete unless you want to offer services beyond basic Internet access.

freeopinion 2y ago
Yep. And services like voice for 60,000 only takes 1/4 rack.

mschuster91 2y ago

The large space savings IMHO come from getting rid of the point to point connections via these massive 2000+ wire cables and their corresponding patch panels and routing infrastructure. With GPON you only need a single SFP module and passive optical splitters in the underground buried junctions, no need for any roadside equipment. (Worked as a trench digger / roadside equipment box installer once in younger times)