Article View: comp.os.linux.misc
Article #11Re: using Linux with ISA ISDN card or ISDN modem
From: Greg Howland
Date: Fri, 12 Apr 1996 22:48
Date: Fri, 12 Apr 1996 22:48
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Cisco probably has the best reputation. > which do you think is the best ? ascend , cisco or 3com? > > >The best solution would be to buy a product such as the: > >Ascend Pipeline 25 (http://www.ascend.com/products/p25/p25index.html); > >Cisco 750 (http://www.cisco.com/warp/public/728/750/index.html); or > >3Com Arpeggio (http://www.3com.com/0files/products/dsheets/arpeggio.html). > > > >These products are stand alone units that combine the ISDN TA, NT1, > >and router, with an ethernet backend to connect to your LAN. They > >offer nice features like dial on demand to limit the amount of time > >on the line and have built in routers. > > > >If you are looking for a cheaper solution by having the TA connect > >directly to your computer there are three options that I know of. > >The first would be ISA ISDN cards such as the Cisco 200. Digi and > >Motorola also make cards. The second would be an external ISDN > >modem. You would be limited to the 115K speed of your serial port > >though. And the third would be a PCMCIA ISDN modem. I have heard > >this is the best of the three solutions - you would obviously need > >to purchase a PCMCIA port for your desktop. > > > >The other and probably larger issue is what ISDN service to order > >from your telco. The regional Bells offer Circuit Switched > >Data (CSD) or Circuit Switched Voice (CSV). Depending on which > >region of the country you are in, if you order CSD you will be > >billed a per minute fee along with a fee for the amount of data > >carried over the line. If you are a heavy user, this could run from > >a few hundred to over a thousand dollars per month. An alternative > >would be to carry your data over CSV. Some of the regional Bells offer > >unlimited usage for a fixed fee for CSV. However some charge a > >per minute fee for residential CSV and offer unlimited for business > >lines. In that case order the business line into your home. The > >drawback to this approach is that you will get only 56K per channel > >over CSV (although some users have reported getting the full 64K). > >A second alternative is to ask your ISP if they have Centrex (or > >the equivalent). If so, have them run an extension from their > >office to your home. You would then get unlimited usage over a > >dedicated CSD line for a fixed fee. You would be billed by the ISP > >for the line instead by the telco (the telco will bill the ISP). > > > >--Greg > > > >> I have a small network at home consists of a box running Linux and two boxes > >> running Windows. I would like to connect them to the Internet using ISDN and > >> have the linux box serve as a web server.. > >> > >> I am think about getting an ISA ISDN adapter from 3Com. The reason is I've > >> been reading a lot about the limitation on PC's serial port affecting the > >> performance of ISDN. The question is I don't know if 3Com is the best adapter > >> to buy and I didn't find any driver for linux that support this card. > >> > >> Another option I can go with is to put the 3Com in a 286 and run a route > >> software on it. That will solve the driver for linux problem. But I am > >> not familiar where to get the routing software. > >> > >> If these two option don't work, I guess I will have to buy the Ascend 50. > >> > >> I am open to other ideas as well. > >> > >> thanks in advance. > >> > >> shu
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Path: arc1-ca.pugleaf.net!northshore.shore.net!gregory From: Greg Howland <gregory@shore.net> Newsgroups: comp.os.linux.misc,comp.os.linux.help,comp.dcom.isdn Subject: Re: using Linux with ISA ISDN card or ISDN modem Date: Fri, 12 Apr 1996 18:48:39 -0400 Organization: Shore.Net/Eco Software, Inc; (info@shore.net) Message-ID: <Pine.SUN.3.91.960412184622.27352B-100000@northshore.shore.net> References: <199604122053.QAA28186@tron.rs.itd.umich.edu> NNTP-Posting-Host: northshore.shore.net Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII In-Reply-To: <199604122053.QAA28186@tron.rs.itd.umich.edu>