The original posters name and email address have been stripped out, but hopefully s/he will see this on the list. The poster should look for an RS-422 line driver. The RS422 standard can work with UTP cable up to 10 miles (16Km) long at speeds of 128Kbps. Black Box Corp. has a number of devices that would work in this situation. www.blackbox.com Jim Meagher ----- Original Message ----- From: "Herbert Graf" <[log in to unmask]> > > What is the best way to to connect two LANs about 1 km apart ? Please > > advise. > > Ouch, no easy answer to this one. To begin the first question is what > bandwidth do you require and what is you're budget? Can you run your own > cable or do you need to rely on existing infrastructure? Probably the > easiest route is the PSTN (telephone system). A single telephone line and > two modems and you're set. Unfortunately it is very slow. None of the > existing 10Base standards can reach 1km (10Base5 has a max of 500 meters). > If money is of little concern fibre would be a good choice, tons of > bandwidth. Hope this helped. TTYL PCBUILD's List Owner's: Bob Wright<[log in to unmask]> Drew Dunn<[log in to unmask]>