Fiber (Fibre) generally refers to optical fiber, a very thin, flexible glass strand which is used for the transmission of optical signals in high performance networks.

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business-class fiber to the home [closed]

Suppose you're some sort of crazy nerd fellow and you live in an area that's absolutely covered in fiber optics and network facilities. What kind of cost / infrastructure would be needed to hook in ...
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1answer
103 views

1Gigabit vs 1.25Gibabit mismatch

I need to re-connect the network to a small old outbuilding that hasn't been used in several years. I have to use the existing 62.5um multi-mode fiber run. This end of the fiber is already ...
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1answer
164 views

Roughly cutting Fibre Cables

I recently asked a question about which type of Fibre optic cable to use for my installation. We have now found a cable type and supplier and I'm about to order the cable (OM3, Tight Buffered, 12 ...
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1answer
121 views

Send HD video over SONET

In an effort to test our new OC 192 network, we would like to find a way to stream HD video over it for a demonstration. We are looking for a device or combination of devices that connects to HDMI on ...
2
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2answers
748 views

Upgrade Fiber Optics from 100Base-FX to 1000Base-SX

We currently have two HP Procurve 2312s connected using two 100-FX-SC transceivers. I am looking to upgrade to new managed Cisco Catalyst switches that use 1000Base-SX transceivers, will the same ...
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2answers
272 views

Small Scale Point-to-Point Fibre optics

I'm faced with a bit of a dilemma with regards to stretching a 100base-T network from building to building. The site is a racetrack (cars) with a control tower, housing race control, admin and a ...
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1answer
303 views

Fibre Optic Cabling - Where to start?

I'm a sysadmin/developer that works for a small IT company. We are having a new office building built, and we have a limited time window in which to put in the core infrastructure network cabling that ...
2
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4answers
254 views

how to patch vertical fiber run

if one has a run of singlemode fiber terminated in a patch panel, how would you then connect it over to a device? singlemode patch? it was my understanding that singlemode had minimum refraction ...
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2answers
1k views

Fiber link suddenly degrades, cold weather? (Turns out not.)

I live in a dorm where the network is mostly resident-managed and budget is limited. The network is a basic star topology, with a central switch in the server room branching out to switches that feed ...
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8answers
8k views

Does water damage a fiber optic / cat5 cable

One of the buildings I support recently had an adventure with a broken fire sprinkler. Lots of water everywhere. One of the "drains" the water used was the vertical risers between network closets. ...
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2answers
609 views

Problem with fiber and 3Com switch

I have a 3com 4200 switch with a fiber connection to the main server room. The link reports up on both ends, but the 4200 neither sends nor receives data on the connection. The end in the server ...
0
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3answers
136 views

Voice / data connections between 2 portacabins ~50m apart

Our business is taking over some new premises (currently housing multiple companies) and for at least the first year will be operating out of a pair of portacabins, around 50 metres apart. Users in ...
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9answers
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LAN Between Buildings

Right now I have two buildings across the street from one another that both have typical consumer aDSL connections (something like 12 Mbs down/1 Mbs up). When I need to access resources on the other ...
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2answers
5k views

CX4/SFP+ -> Fiber adapters?

I'm putting together a proposal for a greenfield 10GigE network (including 10GigE uplinks to providers) while trying to be careful about budget. One of the hardware configurations I'm evaluating that ...
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4answers
377 views

Encryption on Gigabit Ethernet

We have 2 offices connected with a fiber optics cables. On both sides FO is inserted into the fiber ports in the switches but we can install fiber pci-e cards in some servers if required. The offices ...
0
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3answers
107 views

Are there any WAPs out there that support fiber optic daisy chaining?

This may not even be possible, but it seems like it would be the best way to do this, so I'll ask. Basically I'm wanting to string together wireless access points with fiber. I'm already having a hard ...
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2answers
346 views

How to identify/use 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 ...
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1answer
3k views

Upgrading from 100BASE-FX to 1000BASE-SX fiber?

I've been trying to upgrade our small fiber network from 100BASE-FX to 1000BASE-SX. The cables are 62.5/125 multimode fibers, all terminated in patch panels with ST plugs (the round ones). As I ...
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2answers
865 views

Network cabling Tips

I'm looking for some useful information about how to design network cabling for a building. I'm not so much interested in wiring standards such as 568A, but more interested in physically wiring the ...
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4answers
3k views

Fiber Optic Cable not working

Basically I am having a problem with a fiber optic cable connecting 2 switches not working, hired a professional to help fix it and in the end it is still not working. I need someone to look over ...
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3answers
746 views

fiber to the desktop - which connector

in putting together a new installation, one of the requirements is that we use fiber to the desktop. we are going to use multimode, but im not sure which connector. is there a material (ie cost) ...
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5answers
292 views

Where can a student get his hands on some fiber optics equipment?

I'm a computer science student and was able to convince a CDN who has a NOC locally to give me a tour of their facility this last Monday. I thought it was great and might consider network engineering ...
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6answers
752 views

ADSL2+ vs Fibre

We operate in an office building very close to the Sydney CBD and as a result our office currently uses a direct fibre connection at the cost of $1000/month for 2Mb/2Mb (yes, I realise how stupidly ...
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6answers
2k views

Are there any vendors making a Gigabit Fiber solution for laptops?

I'm trying to build a laptop system that can connect to just about any network you might come across in a large enterprise. I realize I can use a media converter to go from twisted pair to fiber but ...
3
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4answers
2k views

What are the advantages/disadvantages for using a single strand of fiber for a full-duplex link?

I have seen telcos install one-strand fiber links at full-duplex, but haven't found much documentation about this configuration. What are the bandwidth limitations, troubleshooting complications, ...
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2answers
289 views

Is there a reliable VOIP setup?

I'm in Tasmania, Australia. We are about to get our second fibre cable lit up. Up till now, latency & reliability have been major issues in the take-up of VOIP. Considering this, can you ...
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7answers
933 views

10 gigabit networks: Decieding between fiber and twisted pair

With a green field installation 10gbps network (no legacy equipment to support), why would one select one physical medium over the other? If left to impulse, I'd probably go with fiber optics over ...