B&B Electronics 232XSSD4 Manual page 28

If you are running from the floppy drive:
• Place the "DOS" disk in drive A.
• Type A: and press the ENTER key.
• Type PORTFIND and press the ENTER key.
The result will be similar to the following:
PortFind V1.03 - © 1991 B&B Electronics - All Rights Reserved.
Slave 8259 present can't use shared IRQ2
COM1 at address 03F8h is set for IRQ4 and is a 8250A or 16450 type UART
COM2 at address 02F8h is set for IRQ3 and is a 8250A or 16450 type UART
LPT1 at address 0378h found
Some of the typical port addresses are as follows:
Port Address
COM 1 03F8h
COM 2 02F8h
COM 3 03E8h
COM 4 02E8h
The Baud Rate is the speed at which communication takes
place between the XSSTSR and the Smart Switch. It must be
specified so that it is equal to SW1 on the Smart Switch.
The Number of Data Bits is the length of each character that
gets sent from the XSSTSR to the Smart Switch. This value must
be specified so that it is equal to SW1 on the Smart Switch.
The Parity is a method of error detection that takes place during
the transmission of data between the XSSTSR and the Smart
Switch. This value must be specified so that it is equal to SW1 on
the Smart Switch.
The User Defined Character must be set so that it is equal to
SW2 on the Smart Switch.
The Command String of the 232XSSD4 can be set to respond to
a three character or four character command. For more information
on this feature refer to the Smart Switch Operation section of this
manual.
232XSSD43800 Manual
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5104
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