On Fri, 8 Jun 2001, Nicolas Bougues wrote: [snip] > > I believe you're talking about a T1/E1 link. Basically, the telco > brings you the T1/E1 trunk. Then, depending on the country/operator, > they provide you with a CSU/DSU, or not. > > It they do, the CSU/DSU will provide a sync serial port, either V35 or > X21. V35 should be avoided, connectors are ugly and expensive, X21 is > OK. Then you'll need a sync board with a matching serial interface > (see below). > > If they don't, they provide you a basic G703 T1 or E1 line. You have > either to buy a CSU/DSU, or to use a board that doesn't require > one. In this case, your board will connect directly to the 4 telco > wires, using (usually) an RJ45 plug.
> > Such board (with or without CSU/DSU) exist for Linux. Try : > www.sangoma.com, www.etinc.com, etc. > > > At my work we use Cyclades PC300 boards (http://www.cyclades.com/products/svrbas/pc300.htm), available with different types of connectors. They are quite easy to configure and offer open source drivers. Teun -- Teun Vink - [EMAIL PROTECTED] - icq: 15001247 - http://teun.moonblade.net