PC NTMMTA: SESSION.LOG Displays Pulse as Baud Rate

 Last reviewed: July 29, 1996
Article ID: Q139368
The information in this article applies to:
  • Microsoft Mail Multitasking MTA for Windows NT, version 3.5

SYMPTOMS

The Microsoft Windows NT Multitasking MTA (NT MMTA) may incorrectly log Pulse for 38,400 baud rate communications, and Touch Tone for 57,600 baud rate communication links.

STATUS

Microsoft has confirmed this to be a problem in version 3.5 of the Microsoft Mail Multitasking MTA for Windows NT. A fix for this problem is in development, but has not been regression-tested and may be destabilizing in production environments. Contact Microsoft Product Support Services for more information on the availability of this fix.

MORE INFORMATION

The communication rate used by the modem to establish a connection to the remote modem is logged based on entries in the modem script. This rate normally appears as a connection statement, where the baud rate appears after the word CONNECT, for example, 

   >>>CONNECT 28,800<<<
NOTE: The connection rate is the more accurate rate when determining the rate of information exchange between the External Mail program and the Remote External or one of Remote Mail programs.

The baud statement is used in the modem script to dictate the baud rate of the COM port to a specified value. The baud rate entry is recorded after the modem has been initialized by the External Mail program. The Baud Rate entry in the SESSION.LOG of the External Mail program is used to display the connection rate established by the External program between the serial port and the local modem.

The baud rate entry can be located in the COMM settings section of the modem initialization in the SESSION.LOG.

For example, 

   Initializing Modem:
   Line Speed : 57600
   OUT: [AT&F?]
   IN: [??OK??]
   OUT: [AT&C1&D2E0L0M1V0X3&K3W2?]
   IN: [AT&C1&D2E0L0M1V0X3&K3W2?0?]
   OUT: [ATS0-0S7=45S9=6S10=50S12=50?]
   IN: [0?]
   COMM settings:
   Comm. Port: Com1
   Baud Rate: Touch Tone
   Dial Mode: Touch Tone
   Script File: <Script Name>
   Initialization complete. Ready.
The only valid baud rates that the External Mail program can use to set the serial port for communications with the modem are 300, 1200, 2400, 4800, 9600, 19200, 38400, and 57600.

Additional reference words: 3.50 windows nt baud=pulse baud=tone post35fix
KBCategory: kbenv
KBSubcategory: MailPCNTMMTA

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Last reviewed: July 29, 1996
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