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Welcome To the Windows section of the Support Site:

MODEM HELP

How can I improve my connections ? ( 56k Modems Only )

This page is ONLY for the advanced user.
If you have any questions about this page, CLICK HERE.

USRobotic (Telepaths) Modems S32=98

	x2 on, V.90 off	x2 off, V.90 on	Both off	Both on*
Sportster**	S32=66	S32=34	S32=98	S32=2
Courier	S58=32	S58=1	S58=33	S58=0

To decrease the speed of the modem and disable 56k use the following string :

&F1&U1&N16S32=98

U1 = the floor connect speed at 2400 meaning the modem knows not to go lower than that.

N16 = the ceiling connect speed or the highest the modem will connect at as described below.

16= 33,600
8 = 14,400
3 = 2400 ** this is the lowest you can go - from this setting its line noise.

* Using AT&F1 in the init string automatically enables both protocols.
**Non-U.S. Robotics modems that use x2 generally use the same commands as the Sportster

Rockwell +MS=11,1

V.90 preferred (K56flex will still work)*	+MS=12,1
V.90 only, K56flex and V.34 disabled*	+MS=12,1,34667,56000
K56flex preferred (V.90 will still work)*	+MS=56,1
K56flex only, V.90 and V.34 disabled*	+MS=56,1,34000,56000
Disable V.90 and K56flex, use V.34 (28.8/33.6)	+MS=11,1

Rockwell HCF +MS=V34

V.90 preferred (K56flex will still work)	+MS=V90
K56flex preferred (V.90 will still work)	+MS=K56FLEX
Disable V.90 and K56flex, use V.34 (28.8/33.6)	+MS=V34

To decrease the speed of the modem and disable 56k use the following string :

+MS=V34,0,2400,X

* X = the ceiling or highest connect speed. Insert your own speed here -
example - 33600 or 28800 or 14400 or 2400

LT (win modems){Lucent Technologies} S38=0-V90=0

Enable V.90	-V90=1
Disable V.90	-V90=0
Enable K56flex	S38=1
Disable K56flex	S38=0

For PC-TELL chipsets S37=12

V90 and K56Flex off (V34)

S37=12

For Venus chipsets (mostly used in external modems):

S109=0 OR S109=2

s109=0s37=19s38=0

K56flex only (V.90 disabled)	S109=0
K56flex or V.90*	S109=1
V.90 only (K56Flex disabled)	S109=2

The Motorola SM 56k modem is an HSP based modem.

Disable v.90	at*mm15
K56Flex	at*mm14

Disclaimer:

The information on this page and pages herein should not be construed as any one solution to your problem. This page, its creators and owners in no way take any responsibility for any problems caused to systems by viewing this page or by changes made to systems by the information contained herein or within links from this site. As with any computer problem always consult your manual and attain information from a certified computer expert before making any alterations to your system or software.

Software downloaded via this website or via links on this website is not necessarily supported by the technical support department. Please always read all documentation that accompanies the download (including the ReadMe file).