no it's sunscreen! what SPF is it??
this post was submitted on 26 Jun 2026
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SFP 10G
Looks like duplex so it could easily be up to 40G. Maybe even higher if someone spent extra.
I've installed some 100G optics before.
But those were XFPs.
Working for an ISP has been fun!
plus!!
Ooh well done my good person!
I hate those fukin things. What a lousy system. They get jammed up, impossible to remove from the expensive gear they've been plugged into. They all seem to eventually go fukin dead for no fukin reason at all. Touchy motherfukers. Fukin hate em.
They all seem to eventually go fukin dead for no fukin reason at all.
If you're doing 10G over copper, it's because they cook themselves. Nothing that size with no cooling should be burning 2.5 watts of power.
I'll continue to call that no fukin reason at all.
Or we could call it inherent design issues. Which is about the same thing.
It has its problems, but after working with networking equipment that uses fiber to connect long distances, I am a staunch believer in the utility.
Even copper SFPs. Did a device take a power surge over Ethernet? Rather than replacing the whole switch, just replace the SFP!
And make sure you got Cisco ones for your Cisco gear. And wtf ever for your Dell crap. And the shitty ones your boss bought have 15% failure rate out of the box.
Sure. Tech this lousy needs some staunch believers.
If you're gonna work in technology, you need to get comfortable with nuance. SFPs were invented to solve a problem, and they do it well. But just like every other technology, implementation matters.
There will always be shitty manufacturers and low quality kit out in the world. It's a shitty craftsman who blames the tools.
Really seems like a skill issue lol. Or your company orders them from Temu lol. Been working for almost 2 hears as a network admin, never had an issue with them.
Removing them can be pretty shit though. Some of the old ones require jamming something between the plug and the housing to wiggle them free.
I have 35 years in the field. Welcome.
If you've not seen a jammed SFP, read this thread. It happens.
I have to use a hooked pick to get them out. My fingers are too big to reach the tiny lever that releases them.
The older guys call it a gbix. I was told they are called SFPs (small fiber port?)
Small formfactor pluggable, apparently
Is it a usb stick?
It's one of these:
I cannot even tell you how many times I've tried to plug an ethernet cable into an SFP slot. Super cool hardware than really needs to be shaped different.
They do make CAT5 pluggable SFPs. They are weird but come in handy from time to time.
Let's burn them all and start over with some better design.
Not necessarily. I would accept going back to barrel-connectors.
Those with a whole bunch of little fingers (that bends), or only 1 main & ground?
I love the ethernet design, it just always works.
I thought it was a white eraser in some sort of convenient to hold casing. 😅
Yeah, something that won a Japanese stationary award
At my old job I got my hands on a broken fiber version of this.
It was really, really good at opening soda cans.
It's a game cartridge for rack servers.
It worked on my Nintendo why not my server as well?