ADLINK cPCI-3538 - Manual (Page 30)

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• Installation
4. When two of the same type of serial communication cards are
required to be installed in one NT system, confirm to let one card’s
SW1-1 is ON while the other card’s SW1-1 is OFF for cPCI-3534
and JP1 is ON while the other card’s JP1 is OFF for cPCI-3538.
The same applies to cPCI-3544 with SW1-3 adjusting to a different
number.
5. The card with switch ON will have a low COM port number. The
card with switch OFF will have a higher COM port number than the
former.
6. If two of the same type of serial communication modules are
installed with switch ON or OFF simultaneously, it cannot be
certain that the system will function properly.
7. If you install multiple cards onto one NT system simultaneously,
ensure that the COM port number assigned is not the same as the
one used for a different card. Otherwise, the system may not
function properly.
8. To avoid confusion of the NT system’s COM port number, it is
suggested that the switch ON for the first card be installed in NT
system.
9. After installing the driver, reboot the PC, where more COM ports
are available.
10. If our NT driver has been previously installed in the system before,
remove this driver first, then install our new version driver.
Otherwise, the user may encounter some problems with the
system.