Re: (PM) Need to disable V.90 on USR.

Mark Zedwick (zedwickm@proaxis.com)
Fri, 31 Jul 1998 13:15:45 -0700

The s32 register is a bitmapped register. The table is as follows.

2 Bit-mapped register setup. To set the register, see the instructions for
S13.
Bit Value Result
0 1 V.8 Call Indicate enabled.
1 2 Enables V.8 mode.
2 4 Reserved.
3 8 Disable V.34 modulation.
4 16 Disable V.34+ modulation.
5 32 Disable x2 modulation.
6 64 Disable V.PCM modulation.
7 128 Reserved.

So, in Theory,

s32=34 disables x2 and the v.8 mode
s32=66 disables v.90 and the v.8 mode
s32=98 disables x2, v.90 and v.8

At 01:20 PM 7/31/98 -0400, you wrote:
>Does anyone know an init to disable V.90 on a 3com/USR modem. I know that
>s32=34 disables X2, but this does not disable V.90. We have someone who
>gets a V.90 connection at 45333bps, but then gets a very low throughput
>using a USR modem. We wanted to see what they get with V.90 turned off.
>
>Chris
>Penncom Internet Company
>-
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--

Mark Zedwick ProAxis Technical Support ------------------------------------------------------------------------

"Minds are like Parachutes. Open or closed, they only function if you use them."

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