Questions tagged [fiber]

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.

Filter by
Sorted by
Tagged with
-5
votes
0answers
69 views

Locating The Fiber Optic Bottleneck [closed]

I Need Maximum Practical Speed My setup involves: Fiber-optic internet with the "unlimited plan" Streaming from thousands of servers × ~4-14Mb/s/server => many Gb/s Only multi-threaded checksum is ...
114
votes
2answers
34k views

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 ...
0
votes
1answer
117 views

How do I correctly configure a wireless router that's connected to an ONT?

My physical network setup is like this: Fibre Optics from ISP > Splitter > PON Connector > ONT > From LAN1 of ONT to WAN on Wireless Router> Via Wi-Fi my other devices are connected My ONT Model: TP-...
0
votes
0answers
52 views

SFP fiber connection only works when using a media converter, why?

I have a piece of equipment that accepts an SFP gigabit (1000Base) connection. When I use 1000Base-T SFP modules and a simple ethernet cable, everything works as expected. When I use 1000Base-X SFP ...
1
vote
0answers
681 views

Optimize Performance of Google WiFi and CenturyLink 1Gbps Fiber

I had Google Wifi and it really works well. A few months ago I switched to CenturyLink 1Gbps Fiber service and overall I have been very satisfied with that as well. I have seen other posts of serious ...
1
vote
0answers
289 views

How can I achieve gigbit speeds upload and download with century link fiber and google nest wifi?

I have read a lot about how to use alternate routers with CenturyLink Fiber and got myself the Google Nest Wifi. I am using a TP-Link TL-SG105E switch for vlan straight from my ONT and then to my ...
2
votes
2answers
80 views

Determining Maximum fiber cable speed?

Excuse my ignorance here. I have tried googling this 100 ways and can't seem to find the correct wording to get the result I am looking for. We have some fiber cabling that shows a MFG Date of 02-Mar-...
-1
votes
2answers
67 views

Some questions about fiber optic cable [closed]

I'm curious: How fast is fiber in traditional Kbps/Mbps/Gbps language? 100Gbps? Is it possible to set up a private fiber network in an office? What hardware would be required? Is there such a thing ...
1
vote
1answer
1k views

How to convert a PON interface to a WAN interface in my home router

Is there a way to convert my router's "PON" interface (for fiber cables, see following picture) to a WAN interface (not LAN)? My final goal is to "see" the device as it was connected to the ISP (and ...
3
votes
1answer
91 views

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 ...
0
votes
1answer
54 views

Do POTS ports still function on ONTs in bridge mode

I have a FTTH service where the ISP has provided me with internet + voice, a ONT is connected in router mode. I want to use my own router and set the ONT in bridge mode connected to my router, will ...
1
vote
0answers
68 views

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 ...
3
votes
1answer
101 views

What ISP know about my local network when I use their ONU?

I have FTTP (Fibre to the Premises) and a GPON ONU given to me by my ISP. I know they can see hostnames and MAC of devices connected in ONU. If I connect my personal router to this ONU and then ...
0
votes
1answer
88 views

Fiber Speed Drop RV320

Not sure if this is the right site to ask this, but I noticed there are a number of RV320-related questions, so here goes. I have an AT&T fiber connection to my home that connects to my LAN ...
0
votes
1answer
77 views

Where does internet latency comes from?

Sorry if this was asked before. Couldn't find anything about it on SE. So the distance from San Francisco to Australia is about 8,000 km. This source indicates that the latency among the two ...
0
votes
0answers
78 views

How can I (dis)prove I am operating my internet via Fiber Optics

I have been paying my ISP for a Fibre Broadband Package for 2 years, but last week I decided to switch because the speeds are getting worse(<800kbps) and its overpriced. When looking for a new ...
2
votes
1answer
745 views

My CenturyLink fiber modem is bridged - can I just get rid of it and use my Cisco ASA 5505?

I was about to go on Amazon to buy my own CenturyLink branded fiber modem (Arris C2100T) to replace the one I am renting from the ISP (Arris C3000T), but then I read here on SuperUser that I might not ...
0
votes
1answer
72 views

ONT Showing “Not Connected” When Using Media Converter to Connect the WAN interface to an Ethernet Network

I am using a media converter to connect a ZXHN F660 ONT to an Ethernet Network. The fiber mode, wavelengths, and upstream/downstream match. The WAN (GPON) interface is defined as an IPv4 interface ...
0
votes
0answers
38 views

Internet connection slows down on second router - router to router without bridge mode

I recently upgraded my fiber connection from Vodafone to 1Gbit/s down and 200Mbit/s up. Unfortunately, the new ONT gateway with integrated WLAN does not support bridge mode on any of the 4 GE ports ...
0
votes
1answer
58 views

How to find if FC-Switch using port-zoning or not Brocade FC 300

I have to replace a HBA on RedHat5.3 due to card failure. A tech guy asked me that "Check your FC-Switch Zoning Type of Port Zoning or not? , because if host accessed by WWNN, you'll need to update ...
1
vote
1answer
125 views

Troubleshoot connection with packet loss

I've been having packet loss issues while playing online, so I've decided to do the PingPlotter test to the game IP. The hop 4 seems to have a massive packet loss problem, but that's the ISP server ...
0
votes
1answer
35 views

How does optical media converter provide administration web interface

I've been recently playing with the web administration of an optical media converter (Huawei HG8010) I have from my ISP and I wondered how does the web administration work. By that I mean how does ...
0
votes
1answer
94 views

Does duplex patch fiber optic cable (LC-LC) need termination box/splicing?

The duplex fiber optic cable (LC-LC) I am talking about looks like this I am trying to run an outdoor cable about 120m and was informed that I need to have splicing and a termination box. But based ...
0
votes
1answer
553 views

Changing a Fiber Internet Modem?

For Example, if for some Reasons, I must change a Fiber Internet Modem. Would be a Media Converter (Fiber to Ethernet) and an Ethernet Router, a good Choice to set up a basic Internet Connection ? ...
0
votes
1answer
319 views

openWRT and VDSL speed increase

I have a FTTC tecnology to connect my home to internet. I use a modem with openWRT as OS (Linux) and I was wondering if there are some parameters to set the speed of my dsl connection to 30 Mbs.
0
votes
1answer
40 views

Remote fibre connections

I'm wondering if it is possible to utilise a single fibre connection's bandwidth from two geographic locations. Site A has a 35Mb fibre connection and Site B has 1.0Mb ... long story buy we are ...
1
vote
2answers
2k views

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 ...
0
votes
1answer
81 views

Too many paths - impact on FC performance

I heard that too many paths could result in impact of storage infrastructure performance. Can somebody please answer why? This is not regarding number of paths for a single server, but looking at ...
0
votes
2answers
98 views

Network Switch Fiber SFP to LC

We have a fiber switch (pic below) We need to run another fiber switch in another area of the building. We are going to use LC cable as is the same in the 9F port. I see there is a SFP to LC adapter....
0
votes
1answer
392 views

Intel X520-2 and SFP+ transceiver issue

I'm kind of new to networking, so please bear the long post. I wanted to set up a 10G Ethernet peer-to-peer network on the same computer (basically two SFP+ transceivers on the same NIC that are ...
1
vote
2answers
40 views

Multimode fibre and transmission distance

Noob fibre question, I suspect. A while ago while there was a trench open between my house and an outbuilding, I took the opportunity to lay a 15 metre length of armoured OM1 fibre (4 core, LC-...
0
votes
1answer
94 views

How to operate a device through fiber?

I'd like to run a webcam or a thumb drive or an external hard drive (with it's own power supply) over fiber. I thought to use the following design or also to add a switch in case I'd like to add more ...
0
votes
1answer
66 views

I am confuse to use fiber optic cable, Rj45 or current cat6 cable?

We want to do networking again, server room is on first floor connected to 25M cat6 UTP cable with ground floor DLink router modem(DSL-2750U).(I can not change this cable as it done during ...
0
votes
1answer
277 views

Some questions about T1, T3, OC-3 and OC-48

As I know T1 and T3 are optical fiber connection in USA. Is it the same in Europe and rest of the world? And what is OC-3 and OC-12? Are they fiber for users or are these for governments, NSA, etc.?
2
votes
0answers
910 views

Speed Loss Using Google Wifi and managed switch for Centurylink fiber

I replaced the Centurylink “modem/router” with Google Wi-Fi and a managed switch using the instructions on this post: https://superuser.com/a/1186991/793565 All went well, and I was able to access ...
1
vote
3answers
607 views

Trouble with fiber modem

My neighborhood just activated fiber service to the home (http://fiber.usinternet.com/ in Minneapolis), but I'm having trouble connecting downstream devices to the modem. It's a CTC Union GSW-1005MS ...
2
votes
0answers
30 views

How can I find out the load on a specific fc port via dtrace?

How can I find out the load on a specific fc port via dtrace? I need to know the speed of reading and writing + IOPS. I read a lot of documentation but did not find anything useful to this topic, I ...
1
vote
0answers
321 views

Poor Upload performance on symmetric FTTP 100/100Mbps link

I know what I'm suffering is a "first-world" problem...I have it good, but not as good as it should be. [Moving here at the suggestion of the moderator in SE Network Engineering.] tl;dr; - I have ...
2
votes
0answers
149 views

How to DIY terminate 62.5 µm Multimode Fiber (MMF)?

I wired my house using a Honeywell Genesis series multimedia cable (part no. 5956). Among four other cables, it also has (2) 62.5um multimode fibers bundled together in a cable. (Those two 62.5/125 ...
0
votes
1answer
320 views

I want to extend a Verizon Fios Ethernet connection without running long Ethernet cables throughout the house

I want a consistent Ethernet connection and do not want long Ethernet cables running throughout the house. I read about the fiber media converters, and I looked at manuals by am unsure if I have the ...
1
vote
1answer
810 views

how to build a long distance wired network [closed]

My house is 500 meters far from the outer gate, on a steep hill, and there is no straight path or line of sight between the 2 points. How would be the best way to extend the internet connection from ...
2
votes
0answers
56 views

How to find the proper EPON stick that works with my ISP?

Though my ISP has provided an ONU works really well, but I still want to replace it with a Mikrotik RB962UiGS Router which has an SFP port. Now I have everything(LOID, MAC, TR069 credentials, etc.) ...
1
vote
0answers
844 views

I wanted to move my modem but the cable from ISP is too short, how to extend? Details and picture inside

So I want to move my modem from my room to another room. The problem is the cable is too short and I don't know how to extend this cable because it's not an ethernet cable. See pictures below: This ...
1
vote
0answers
194 views

Connect to my ISP ONT

My ISP (Vodafone Italy) brings me a 1000/200 connection via the fiber. Anyhow their router sucks, crashes often, and is not able to keep up with the traffic. They use an Huawei Echolife HG8010 as ...
28
votes
3answers
70k views

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?
0
votes
1answer
930 views

Fiber to the Home (FTTH) to PC installation

My ISP installs FTTH (Fiber To The Home) like this: TP (Terminal Point) -> ONT (Optical Network Terminal) -> Router -> PC Is it possible to use this method instead? How can this be achieved? ...
0
votes
0answers
899 views

fiber optic PON cable to ethernet

I have a fiber optic internet connection that connects to Huawei EchoLife HG8247H Router via PON port, it has one public IP my question is that can I configure that router to act like a switch so that ...
0
votes
1answer
1k views

Two HG659 modem, setup

I have two identical Huawei HG659 home gateway One is working properly on fiber connection, as the house is big I would like to know if the second modem (that is not in use) can be used as repetitor ...
0
votes
1answer
37 views

Expansion of network including IP Cams and extension of UniFi products

I am in charge of a small network in very rural Guatemala. Currently it consists of 1 Poweredge server running 5 virtual machines, 1 NVR with about 26 cameras, 15 clients on a domain, databases for ...
1
vote
2answers
50 views

Inside compound / building cabling for fiber

I have a cabling challenge: we live in a compound that has a cabling room [room] to where all telecom infrastructure (copper and fiber services) arrive. That [room] is ~300 metres to our home [home]. ...