Fiber optic data transmission, cabling, connectors, interfaces. Questions should have this tag if they directly involve fiber optic transmission of data, fiber optic cabling and/or connectors, or interface devices directly attached to fiber optic cable.
Questions tagged [fiber]
128 questions
120
votes
3 answers
Why does a gigabit/sec Internet connection via cable (coax) not offer symmetrical speeds like fiber?
In our area, we have Cox Communications (cable) which offers 1 Gbit/s down, and 30 Mbit/s up, while CenturyLink (fiber) offers 1 Gbit/s up and down.
Why does copper only 'allow' fast speeds for download, but not upload? Is this a limitation…
v15
- 1,985
40
votes
3 answers
How to Ditch CenturyLink Fiber "Modem"
How can I ditch the rented router CenturyLink gave me and use my own router with CenturyLink Fiber internet? Can I use routers like Orbi or Google Wifi that don't support VLAN tagging?
user96136
30
votes
2 answers
Looking for a fiber optic "switch" or "router" for home use
The gist of my question:
What is a "fiber optic" switch called?
I.E. a layer 2 ethernet switch that uses fiber TX and RX connections and sends layer 2 network traffic between the fiber strands that are connected.
Can someone purchase a…
Shrout1
- 1,114
11
votes
1 answer
Why does my fiber download speed increase when testing upload speed?
I recently switched to AT&T Gigapower 1GB fiber internet and have discovered a problem where download speeds are slow during normal use. But if I go to Speedtest.net and do a test, when it gets to the upload portion of the test, my concurrent…
Ransom
- 111
10
votes
2 answers
Will using ADSL filters with full-fibre broadband create any issues?
My home broadband is currently a fibre to cabinet system and rather than using plug-in ADSL filters I chose to replace the standard phone face plates with ones that have integral filters. My telephones are currently connected to the incoming copper…
user2229187
- 103
- 1
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7
votes
3 answers
Can you replace several CAT5/6/7/8 cables with a single fiber line?
Is there a way to essentially replace several dedicated Ethernet cables with a single fiber-optic cable?
My home setup is such that my two PCs are located in the basement, and the KVM in my office on the second floor (two floors above the PCs),…
Huesmann
- 201
7
votes
2 answers
How to display an array of bytes in PowerShell as a joined string of hex digits?
I am using WMI to find out what my WWN (World Wide Name) is for my port on an HBA card. I can get the WWN back but it is contained as an 8 byte array. I would like to convert this byte array into a string of 16 hex digits for easy display.
This is…
Jason
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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
5
votes
2 answers
Understanding Fiber Internet Setup - Using my WAN port router
My knowledge on this subject is very poor. I might not be using correct terms. Please excuse.
My current Internet Setup
ISP’s fiber cable comes to a common area in the apartment complex. There’s an ONT or something similar wherein it gets plugged.…
rajeev
- 1,984
5
votes
1 answer
ISP Network Control
I just got an FTTH connection and my ISP is a local operator who has taken a franchisee from a bigger ISP. He installed an ONU device to which I connect my Wireless Router.
Now, he gave me username and password which entered in router through PPPoe…
Bhavya Gupta
- 457
5
votes
3 answers
Why is a home fiber connection asymmetric?
I recently switched from an ADSL to a fiber connection and was surprised to see that the bandwidth is asymmetric (1 Gbps down / 250 Mbps up).
While this is understandable in ADSL, I do not understand why fiber at home is asymmetric as well? It is…
WoJ
- 3,875
4
votes
2 answers
How to run a cheap house to barn fiber optic solution?
My brother just moved into a barn on a largish piece of property. The property has cable running into the main house, about 400 feet from the barn, and there is already a pvc pipe running between the buildings for cable.
The question is, what is the…
Carlton
- 41
3
votes
1 answer
Assign LAN port as WAN on Technicolor TG582n router
I have recently switched my home Internet connection from copper to fibre. With a copper installation I had a Technicolor TG582n router (Technicolor 582n - ADSL2+ / ADSL2 / ADSL - see top of linked page) and the set-up was simple. Just a filter on…
Choc13
- 166
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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
Why does auto port speed negotiation not work on SFP fiber uplinks?
I have two switches (Switch 1 and Switch 2) that are different models, but are from the same manufacturer. They have SFP ports where on Switch 1 the interface type is 1000X while on Switch 2 the SFP port interface type is 10GX. When both ports are…
Dr_Xunil
- 358