Re: 7857 Modem not compatible with a 7852

Neil Palmer wrote:
> 
> The 7857's should be compatible with other synchronous modems (ie. 5853,
> 7855-010, 7852-400, UDS etc.) at speeds of 9600bps and lower.
> I know in sync mode at 19.2Kbps you can only talk to another 7857.
> (that probably applies to 12K/14.4K/16.8K as well).
> If you set the switches on a 7852-400 for 9600bps it will dial out at
> 9600bps - BUT if you dial INTO the 7852-400 it will ignore the switch
> settings and handshake a higher speed.  You would need to reprogram the
> modem to connect at a lower speed (just a wild guess here - the manual is in
> the office - but it may be the &S4 setting).

Checked the manual - it's the S48 register setting.

> 
> On Mon, 5 May 1997, Doug Barnes wrote:
> 
> > Has anyone else experienced this problem?
> > I spent 2.5 days trying to get two 400s to talk to each other and
> > finally a support line guy mentioned that the modems we were using
> > were incompatible. But of course it is not a defect (?????????).
> > Fortunatley I had a 7852 (I think the # is right it is one of the
> > Options by IBM 33.6/28.8 modems) to use and it connected on the first
> > try.

-- 
...Neil Palmer                                      AS/400~~~~~      
...AS/400 Technical Specialist      ____________          ___  ~     
...NxTrend Technology - Canada      |OOOOOOOOOO| ________  o|__||=   
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...e-mail: npalmer@nxtrend.com    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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