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Re: [hylafax-users] USR PCI Modems
On 2002.06.12 09:14 Blair McKay wrote:
> I seem to be having difficulty with U.S. Robotics 56K PCI (model #5610b)
> I think the longest amount of time the machine has gone unhindered is
> 3 days.
> I'm just curious if others have seen this behavior, had any luck
> it, or could recommend a decent PCI (no isa slots on the motherboard)
> modem with an onboard controller and DSP compatible with FreeBSD, as I am
> not impressed with the USR's right now.
I have used USR/3Com 3CP5610, 3CP5610A, and 3CP5610B modles with HylaFAX.
I have experienced some of the problems you describe. A lot of the
problems have been resolved by fixes in the HylaFAX Class 1 protocol over
the past two years, however I still get occasional "wedged modem" from
I am unable to figure out what the "wedged modem" problem is because every
time I turn my ServerTracing up to 0xFFF the problem goes away
indefinitely. And that itself is, honestly, quite bizarre.
So, when I have these problems with a USR 5610 (which is not with every
modem) I stupidly turn ServerTracing to 0xFFF, and I haven't been able to
determine the problem exactly. I can say however, that this problem seems
isolated to the USR 5610 series, as I do not see it exhibited by any other
modem. (How hardware can be influenced by logging levels I can't guess.)
I'm disappointed with these modems in general. These problems are
annoying, but I seem to have found a workaround. The more disappointing
part is that 3Com/USR does not make them "flash" upgradable for the
firmware. So, if a problem with the firmware is found... goodbye modem.
If you're looking for a good PCI faxmodem I would recommend the MultiTech
MT5634ZPX-PCI-V92. I use the non-V92 and ZBA versions extensively, and
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