On Sat, 2003-03-08 at 00:42, Alex Iruc wrote: > Dear Sirs, > > Maybe this is not the right place to ask this, but since I see that some of > you people have a lot of experience with this kind of stuff I will ask > anyway. (sorry if it's off-topic) > > This is what I want to do: > I want to interconnect a couple of buildings that are located in a 15km > area. For this I want to install a fiber optic cable that starts from the > main server and it stops on the top of the last building. On each building > I need to convert the optic signal to electrical signal so that computers > inside the building connect to the network via regular UTP100TX nics. > > This very large network will be connected to the internet via a sat link > (downlink via sat-dvb card and uplink via a 256k wireless modem). > > The questions: > 1. What type of fiber optic cable do I need for this (I need a low cost > approach)? > 2. can you give me some hints about what type of DVB card should I buy for > the sat downlink, a card that works good in Linux? > 3. Are the any special considerations that I should take care of when I > install the Linux server or the network cables? > > As a side note I want to mention that the network is designed to accommodate > about 200 workstations, and only 100-150 of them will have internet access. > > Thank You!
I am confused. Perhaps an overview of what you are trying to do would be in order. You speak of Internet connectivity through a sat link, I can get my head around that, but then you ask for a dvb card, Isn't DVB digital video broadcast? I don't see the connection. >From a shear networking stand point the satellite terminal will define what you need to use to connect to it. Never having done this, I am assuming that there is a service provider and specific equipment used by them. The campus network, and the fiber type, connectors, switches NICs etc are all dependent on the specific physical topology of the proposed network. For instance your 15km campus (15sq km?). you can get 1500M out of multimode fiber @ 100Mbs pretty inexpensively. Beyond that distance and your are looking at single mode fiber designed for long haul and it is more expensive. Each building (how many? )will need a dedicated run to the link unless the campus network can provide that. Assuming CAt 5 copper in each building is preexisting you will need router with a fiber nic to direct traffic onto the fiber link. These are just a couple of questions that need to be addressed. nce they are, valid questions to fill in the holes will come easier. Like what is a good 100Mb fiber nic (we have had good luck with allied telesin )or can a linux box be the router between the cat 5 network and the fiber backbone (yes). If I am misunderstanding the situation please provide enough detail to clarify your needs. I would suggest getting some real help from someone who understands these issues. Most large equipment vendors would be glad to help you with network design as part of the bidding process. You can then start eliminating proprietary equimpmet where it makes sense with linux boxes :) HTH Bret -- redhat-list mailing list unsubscribe mailto:[EMAIL PROTECTED] https://listman.redhat.com/mailman/listinfo/redhat-list
