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Questions tagged [optical-cable]

27 questions
17
votes
3 answers

RJ45 -SFP Connection?

I originally thought that SFP connection involved optical fiber. However, I came across an RJ45-SFP Copper device. Thus, it appears to be an SFP device that connects to an RJ45 slot and conducts through copper... how is that different from a…
abcjme
  • 459
13
votes
2 answers

What is the difference between a S/PDIF connector and a TOSLINK connector?

What is the difference between a S/PDIF connector and a TOSLINK connector? When I look at the relevant Wikipedia articles, it shows identical photographs on the S/PDIF page and the TOSLINK page. From those articles, the only difference I can tell is…
Amazon Dies In Darkness
  • 9,990
5
votes
3 answers

What type of cable is this (optic fiber) connecting to router?

I bought an ASUS RT-AX86U Pro and want to use it instead of my ISP router. The problem is that the cable in the image below is connecting to my router, and the ASUS one has no input for such cable: What is this called? Can I find some adapter from…
Kristi Jorgji
  • 163
4
votes
2 answers

XDSL Internet Connection Over Optical Fibre Telephone Line?

I have an ADSL2+ and a VDSL modems, and my flat has Optical Fibre for the telephone lines. I don't want to spend money on an FTTH modem since the ISP is limiting the speed and traffic of the Fibre plans. They are the same as the VDSL plans. There…
Shayan
  • 1,893
3
votes
3 answers

How to identify and use an existing fiber installation?

When my parents had their house built about 10 years ago, the wiring guy told them that he should install some fiber in the walls, saying that it would be good for future use. So there is some kind of fiber-optic cable connected to several rooms…
johnnyb10
  • 225
3
votes
1 answer

Trouble sending digital audio (optical SPDIF) to receiver from HTPC running Windows 7

My friend has recently upgraded his HTPC from Windows Vista (unknown SKU) to Windows 7 Home Premium 64-bit. My friend's HTPC has the following relevant hardware: Video: PCI-E nVidia GeForce 8800GT with dual DVI output Audio: PCI-E Creative Labs…
The Lazy DBA
  • 133
3
votes
2 answers

Ubuntu - Get audio over optical cable

Is it possible to play audio over optical cables in Ubuntu? I've got a motherboard with Realtek ALC888 onboard audio. Ubuntu can play music/sounds just fine to my headphones or over analog cables to my speakers. However, my problem is that I use…
TM.
  • 1,320
3
votes
1 answer

Connect existing FTTP instalation to router with SFP?

My existing FTTP installation by BT is using HG8240 GPON Terminal (model H35M8240BT06) + power backup. I would like to completely remove HG8240 and connect it directly with mikrotik over SFP (saving one hop). Q1: Will it work or BT requires you to…
Dusan
  • 33
2
votes
0 answers

Can I add multi-mode fiber optic media converter at any point of my network previously distributed in single-mode fiber optic?

I have used single-mode fiber optic media converter in my whole network. But my Fiber Optic cables have 2-pair of optical wires. I only use one of them for single-mode purpose. Now I want to introduce multi-mode fiber optic media converter boxes in…
Subhajit
  • 21
2
votes
3 answers

What's the minimum network latency for a 1000 km connection using optic fibers?

I know most of the network latency for short distances is due to router processing times. But for longer distances the speed of light also counts. And it's different from the speed the light in the vacuum. What is it?
Jader Dias
  • 16,236
2
votes
1 answer

Local network using PON routers

Me and my friends have PON routers and we want to erect a LAN. Since our OPT (Optical Line Terminal) is far away, we have increased ping for each other, considering that we live in the same village. Also, if the cable to the OPT is broken, we will…
Masya Furrkova
  • 23
2
votes
1 answer

Connecting a Thundebolt 3 docking station to a Windows desktop via optical 15m Thundebolt optical cable

I have a Windows 10 Pro 64 bit gaming desktop behind a concrete firewall (physical), and I want to transfer two monitors pluss USB signal out on the other side of the concrete wall. My idea was to buy a Thunderbolt docking (ICY-BOX IB-DK2288AC) and…
Håkon Seljåsen
  • 135
2
votes
1 answer

Is it safe to look into fiber optic cables?

I have always been told the it is highly unsafe to stare into fiber optic cables, but have also seen articles saying that this is a myth. For example, this one. So it is safe to look into fiber optic cables, or not?
luek baja
  • 137
  • 2
  • 7
2
votes
2 answers

Is there a fiber / optical extension you can buy move your FTTP point?

I want to move my BT Openreach fiber box so it's running from my UPS. Issue is the fiber cable into the building is 10 meters away from I need it to be. Is there a fiber / optical extension you can buy to overcome this?
MrTw33d
  • 43
1
vote
2 answers

Iperf network benchmark measures under-utilized?

I am working on two embeddded high performance network routers and I have connected them point-to-point via a 10Gbit optical fibre cable. I ran iperf benchmarks on them and when I connect through an optical fibre point to point, I get slightly more…
Vigneshwaren
  • 255
1
2