I have a Zoltrix K56Flex modem. Can I upgrade it to V.90?
Yes, Zoltrix has released V.90 code for the Rockwell based 56K modem models FMVSP56i(2) and FMVSP56e, but don’t upgrade until your ISP has. A reality check shows there are many ISP central sites running V.90 now. The FMVSP56i(2) and FMVSP56e Rockwell based modems, while flash upgradable to the new standard, can only hold one protocol at a time. The same holds true for the Win HSP PCtel based software modem models FMHSP56p and FMHSP336p. PCtel has now released the V.90 code sometime in May 1998. A method is provided to switch to run either V.90 or K56flex code, but there is no point in loading V.90 code yet. ( Unless you want to turn your 56K modem into a 33.6! ) If your modem can only run V.90, it cannot connect in high speed PCM mode to a K56flex ISP, until the ISP deploys V.90. We recommend waiting to do the upgrade. If your modem is working fine now K56flex mode, leave well enough alone. But if you want to upgrade to V.90 you should first ensure the following conditions are met: Ste
