What is normal speed for term 144

What is normal speed for term 144

Post by Prahladavaradan Sampa » Sun, 11 Sep 1994 23:51:18



hi,

        I have been using term (1.4.4) now for a couple of weeks, and found it to be
        very useful, but what I would like to know is what is the typical transfer
        rate for term over a 14.4 modem.

        I am running the Slackware (2.0) release with the 1.0.9 kernel, on a
        80386 sx-25 with 10M memory and around 30M swap-space. My modem is a
        Hayes Accura 144 connected to a 16550A serial port. I am able to establist
        connection with my remote host at 57600 baud. I have set up the connection
        speed for term on both sides to be 57600, the packet-window to be 10 and
        the timeout-period to be 150. I thought that I would get at least a
        transfer-rate of about 3kb/sec, but I seem to be getting at most around
        1.5Kb/sec for binary and around 2Kb/sec for text.

        Is this a typical transfer-rate, if not how can I optimise the setup? Maybe I
        should play around with the packet-window and timeout-period, but I really
        dont want to experiment as connection charges are quite high for me and I
        would like to get it right the first time.

        Thanks in advance for any suggestions.

        P.Sampath

        P.S. I almost forgot, I only have to escape the character '\29' on one end.
--
  +--------------------------------------------------------------------------+
  |     Prhaladavaradan Sampath       |                                      |
  |     Brunel,                       |  I do not know all the answers, but..|
  |     The University of West London |   I know somebody who does.          |

  +--------------------------------------------------------------------------+

 
 
 

What is normal speed for term 144

Post by andro » Mon, 12 Sep 1994 05:52:43



Quote:>        Is this a typical transfer-rate, if not how can I optimise the setup? Maybe I
>        should play around with the packet-window and timeout-period, but I really
>        dont want to experiment as connection charges are quite high for me and I
>        would like to get it right the first time.

There are 2 transfer rates involved. System->modem and modem->phone line.
When you configure term for 57600, that is how fast it communicates to the
modem. The modem can only go to 14.4 on the phone line since that is all
its modulator can handle.

It just returns a CONNECT 57600 message because that is the link speed to the device.
To go faster, you have to get a 28.8 Modem.

About 1.6Kb/s is normal for compressed files and sometimes up to 2.8Kb/s for text.

android

 
 
 

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