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In practical terms, I have discovered the following relationship: If your modem costs less than $150, you have a "sportster" model, and your mileage may be poor. If your modem costs something in excess of $250, you have a "courier" model, and I have found it to be a much more reliable solution. I am running eight of them at the moment, with very low failure rates. David. ----- ** WARNING ** This message was composed by a temporarily crippled programmer using a speech recognition system. Please don't be alarmed if some extremely strange word usage shows up in the message. Many thanks.... On Tue, 23 Mar 1999, Ian Diddams wrote: > David Woolley wrote: > > > > 1) USR no longer exists (taken over by 3COM, I think). > > Well, yeah, but the box says 3Com U.S. Robotics 56K Faxmodem, and the > modem itself looks like every USR modem I've ever seen except its a > light grey in colour rather than a darkgrey, and its red livery also > says 3Com U.S. Robotics, so lets not get too bogged down in semantics > please. > > > 2) USR made two ranges: the couriers, a quality modem intended for > > server use; and the Sporster, a made to the price modem for occasional > > desk top use. If you are using a Sportster for a critical > > application, you are probably applying false economies. > > Possibly. However the box and the modem itself use neither the > terminology "Sportster" or "courier" so which is it then? The only > other writing on the modem is that it is made in Ireland and that 3Com > corporation is based in Santa Clara CA. > > Its technical specs say > > 56 Kbps V.90 ITU standard > 56 Kbps x2 Technology > 33,600 V.34, V.32bis, V.32, V.22bis, V.22, V.23 and V.21 ITU standards > V.42/MNP 2-4 error correction > V.42bis/MNP 5 data compression > Class 1 and 2.0 Group III 14.4 Kbps fax with V.17, V.29, V.27ter ITU > standards > Plug&Play automatic installation and configuration > V.80 ready > > Secondandary to that, if it is connected to a server that periodically > uses it (say, once a day) is that more important than a desktop that is > uses it 20 times a day (he asked philosophically) ? > > > -- > Didds > Mobile phone deals and PCs at low cost. > Accomodation addresses available. >