home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Monster Media 1993 #2
/
Image.iso
/
comm
/
zhint77.zip
/
JUMPY.A
< prev
next >
Wrap
Text File
|
1993-07-07
|
2KB
|
43 lines
7-07-93
If you are getting text displayed on your screen, not smoothly, then
it is a wrong setting on the other end. They have V42bis or MNP5 set, and
the speed their modem is set too slow. The slower their modem is set, the
more 'jerky' the text will appear. IE: They have a 2400 modem with V42bis.
It should be set for 9600, not 2400bps. Or they might even have a V32(bis)-
9600+ modem, and set it for 2400. If you call with another 9600 you will
geta 9600 CARRIER, while the answering modem is talking to the computer at
a slow 2400. An answering modem should be set using the S95 register.
S95 Register
By default S95=0 gives the computer-modem (DTE) connect speed. So
whatever speed (19,200 38,400 57,600) you have set, the modem will
respond in kind, even if the modem-modem connect is 2400. S95=1 will give
true modem-modem connect speed (DCE), ie; a 2400 CARRIER will say CONNECT
2400. If you use the CARRIER as CONNECT speed, you MUST set the software to
NOT FOLLOW the CONNECT speed! S95=2 will add /Arq to default for error
correction conections, ie; CONNECT 19,200/Arq. S95=3 will give modem
connect speed with /Arq ie; CONNECT 2400/Arq. If your software recognizes
/Arq it may be a good idea to add it, via the S95 register.
>>>NOTE: When the modem gives DTE (computer-modem) connect speed, if your
software shows 'efficiency' of transfer, it will be LOW. If the modem sends
CARRIER (DCE) as connect speed, then 'shown' efficiency should approach
100%.
If you want the Carrier, Protocol & Compression, with DTE then use
S95=44. To get the same with DCE speed, use S95=45. You can add 2 to either
(46 or 47) which will add the /ARQ, but as you already have the other
messages it is redundant.
The default S36=7 enables buffering so that the modem-computer speed
may differ from the modem-modem speed.
>>NOTE<< Except for QMODEM, all the sofware I have seen does NOT show any
results beyond CONNECT xxx/ARQ. You can see the results if you do
ATDTphoneumber in Terminal mode.
Don Hinds - Zoom Tech
##include=c:\text\signa.tif