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- Path: nada.kth.se!obg
- From: obg@nada.kth.se (Olof Backing)
- Newsgroups: comp.dcom.modems
- Subject: Re: Online Fallback/fall forward on USR Sportster 14.4
- Date: 26 Feb 96 23:42:22 GMT
- Message-ID: <obg.825378142@nada.kth.se>
- References: <obg.825016328@nada.kth.se> <DnEIMx.FxC@freenet.carleton.ca>
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- In <DnEIMx.FxC@freenet.carleton.ca> an171@FreeNet.Carleton.CA (Anthony Hill) writes:
-
-
- >Olof Backing (obg@nada.kth.se) writes:
- >> Hi!
- >> When and how often should I expect a fall forward after the modem has
- >> done a fallback, to say 12,000 bits/s, from the original 14,400 bits/s
- >> that I got at conenction time? It is mentioned in Appendix A in my
- >> User's Guide in a very ambigous way. They don't state any requirements
- >> for this to take place like what other brands of modems this will work
- >> with (or not).
-
- > The Sportsters 14.4 doesn't support on-line fallforwards, so
- >you'll never see them. This features is only supported in the Courier
- >line and in 28.8 Sportster (I think the 28.8 Sportsters also support
- >fall-forward in v.32bis mode, and I know they support it in v.34). The
- >only way this modem can go back up to 14.4 is if it retrains.
-
- Please, get hold a copy of the Users's Guide and read page A-5, the
- bottom half. It states that the modem is capeable of doing this. How
- come that you state that it doesn't? Is it a mis-print in the Guide?
-
- >> I have seen this feature work on a Supra modem that I borrowed from a
- >> friend and connected to a USR Courier V.34 at school.
-
- > Fall-forward is a requirement of the v.34 spec, but it's an
- >optional feature for v.32bis.
-
- My colleague states that it is standard in _both_ V32bis and V34. Could
- you present a document that verifies either?
-
- /Olof
- --
- WHOAMI: Olof Backing EMAIL:
- WHERE: Royal Institute Of Technology, Stockholm obg@nada.kth.se
- SNAIL: Skarpnacks Alle 45, 3tr, S-128 33 SKARPNACK, Sweden
- VOICE: + 46 8 931619
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