Yup. It’s just a brass ring inside to hold the ferrules. I use the green ones to pair up UPC connectors all the time.
-Adam From: AF <af-boun...@af.afmug.com> On Behalf Of Craig Baird Sent: Wednesday, November 17, 2021 7:31 PM To: AnimalFarm Microwave Users Group <af@af.afmug.com> Subject: [AFMUG] UPC/APC Fiber adapters So, I just want to verify an assumption I've made. I know the difference between UPC and APC connectors. You can't use one with the other and have it work out well. I get that. My question has to do with adapters (couplers like an SC to SC adapter) that you would have on, say, a patch panel. Is there any difference between an APC SC to SC adapter and a UPC SC to SC adapter, other than the color? My assumption is that they're just sleeves to mate the two connectors, and they're agnostic as to whether those connectors are APC or UPC. In other words, I'm thinking they're identical and the different colors exist solely for easy identification to keep people from mistakenly plugging in the wrong connector. So my question comes down to this: Will an actual, functional problem result from connecting two UPC connectors using an APC (green) SC to SC adapter? Craig
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