It is bare after you strip it. But if you were to purchase a spool of "bare fiber" it would have the 250um coating on it.

------ Original Message ------
From: "Chuck McCown" <>
Sent: 8/10/2017 11:09:06 PM
Subject: Re: [AFMUG] PLC Splitters

When you strip it, it sure looks bare.  All the color is gone.
After you strip it, you wipe it off with an alcohol wipe.
And then when you see it in the fusion splicer screen, it looks bare there too. Actually it probably has to be totally bare or the coating would contaminate the burn.

From:Adam Moffett
Sent: Thursday, August 10, 2017 8:24 PM
Subject: Re: [AFMUG] PLC Splitters

If the glass was truly "bare" it would be 125um and also be too fragile to handle. What is referred to as "bare fiber" actually has the 250um acrylic coating, probably with color added. It's the barest the fiber can be while still being workable.

------ Original Message ------
From: "Jason McKemie" <>
To: "" <>
Sent: 8/10/2017 6:24:08 PM
Subject: Re: [AFMUG] PLC Splitters

That must be it, the "bare fiber" description is a bit misleading in that case though. Strange way to specify the diameter.

On Thu, Aug 10, 2017 at 5:08 PM, Adam Moffett <> wrote:
A "bare fiber" pigtail has 250um acrylic coating.

------ Original Message ------
Sent: 8/10/2017 6:07:52 PM
Subject: Re: [AFMUG] PLC Splitters

That sounds strange to me.

Is there such a thing as PON on multi mode fiber?

From:Jason McKemie
Sent: Thursday, August 10, 2017 3:37 PM
Subject: [AFMUG] PLC Splitters

I'm looking to possibly do a trial GPON deployment on a leg of my active network, it looks like the PLC Splitters are 250µm. However, singlemode fiber is usually spec'd at a cladding of 125µm. Are they just using a different measurement or some sort of oddly sized fiber?


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