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Serial communication is not working. Is the problem caused by the adapter or my serial software application?

Older applications that use serial communication often use legacy hardware addresses that do not work with PCI, PCIe, or USB to Serial products. We recommend contacting the software provider/support team to check if this is the case.

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This FAQ applies to these products:
EC1S232U2 EC1S952 IC232485S IC232TTL ICUSB23208FD ICUSB23216FD ICUSB2321F ICUSB2321FIS ICUSB2321X ICUSB2322F ICUSB2322I ICUSB2322X ICUSB2324 ICUSB2324852 ICUSB2324I ICUSB2324X ICUSB2328 ICUSB2328I ICUSB232C ICUSB232D ICUSB232DB25 ICUSB232FTN ICUSB232INT1 ICUSB232INT2 ICUSB232IS ICUSB232PRO ICUSB232PROC ICUSB232SM3 ICUSB232V2 ICUSB234854I ICUSB234858I ICUSB422 ICUSB422IS ICUSBANDR232 MPEX2S1P552 MPEX4S552 PCI1S550 PCI2S1P PCI2S232485I PCI2S4851050 PCI2S550 PCI2S550_LP PCI4S550N PCI4S954PW PEX16S550LP PEX1S553LP PEX1S952LP PEX1S953LP PEX2S1050 PEX2S1P553B PEX2S553 PEX2S5531P PEX2S553LP PEX2S953 PEX2S953LP PEX4S232485 PEX4S553 PEX4S553B PEX4S952 PEX4S953 PEX4S953LP PEX8S1050LP
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