Re: [hylafax-users] Class 1 or Class 2?

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

On 2004.12.28 14:56 Stephen Carville wrote:

> Anyone have any experience on how well the Class 2 firmware on the
> Multitech
> cards works?

I do.

Most of my experience was with Class 2.0 and Class 2.1 on the 
MultiTechs, though.  I'd stay away from "Class 2" because last time I 
checked, there were bugs there.

I ended up switching from Class 2.1 to Class 1 and then to Class 1.0 on 
most of my MultiTech installations.  I did this mostly because I'm a 
finicky faxer, and I like to see the protocol exchange during the 
faxing show up in the logs so that I can analyze any problems.  In the 
future using Class 1/1.0 will be the only way to get certain features 
such as JBIG support, which isn't even documented in the Class 2 
specifications.  HylaFAX's resolution support has more options in Class 
1/1.0 than MultiTech's does in Class 2/2.0/2.1, but that's about the 
extent of the differences right now.

Steve Tuckner and I like to debate against one another whether Class 
2.0 or Class 1 works better or whether Class 2.1 or Class 1.0 works 
better.  I've had tests that favored Class 1/1.0, and Steve had tests 
that favored Class 2.0/2.1.  But the errors were on the 
much-less-than-one-percent margin, and at that frequency they are very 
hard to duplicate and analyze.  One silly fax machine can screw up the 
results either way.

So I think that you're relatively safe either way.

Lee.

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