Item Number: AD-380 8 port RS-422/485 PCIe Card   Item Number: AD-180 8 port RS-422/485 PCI Card   Item Number: AD-340 4 port RS-422/485 PCIe Card   Item Number: AD-140 4 port RS-422/485 PCI Card   Item Number: AD-320 2 port RS-422/485 PCIe Card   Item Number: AD-120 2 port RS-422/485 PCI Card   Item Number: AD-340i 4 port RS-422/485 PCIe Card + 2.5KV Isolation   Item Number: AD-140i 4 port RS-422/485 PCI Card + 2.5KV Isolation   Item Number: AD-320i 2 port RS-422/485 PCIe Card + 2.5KV Isolation   Item Number: AD-120i 2 port RS-422/485 PCIe Card + 2.5KV Isolation   Item Number: AS-380 8 port RS-232 PCIe Card   Item Number: AS-180 8 port RS-232 PCI Card   Item Number: AS-340 4 port RS-232 PCIe Card   Item Number: AS-140 4 port RS-232 PCI Card   Item Number: AS-320 2 port RS-232 PCIe Card   Item Number: AS-120 2 port RS-232 PCI Card   Item Number: AS-310 1 port RS-232 PCIe Card   Item Number: AS-110 1 port RS-232 PCI Card   Item Number: AD-520 2 port RS-422/485 ExpressCard   Item Number: AD-510 1 port RS-422/485 ExpressCard   Item Number: AS-520 2 port RS-232 ExpressCard   Item Number: AS-510 1 port RS-232 ExpressCard   Item Number: AM-321 2 port RS-232 + 1 port Parallel PCIe Card   Item Number: AM-121 2 port RS-232 + 1 port Parallel PCI Card   Item Number: AP-310 1 port Parallel PCIe Card   Item Number: AP-110 1 port Parallel PCI Card   Item Number: AM-511 1 port RS-232 + 1 port Parallel ExpressCard   Item Number: AP-510 1 port Parallel ExpressCard   Item Number: AD-440 4 port RS-422/485 Mini PCIe Card   Item Number: AD-420 2 port RS-422/485 Mini PCIe Card   Item Number: AS-440 4 port RS-232 Mini PCIe Card   Item Number: AS-420 2 port RS-232 Mini PCIe Card   Item Number: AP-410 1 port Parallel Mini PCIe Card   Item Number: AM-411 1 port RS-232 + 1 port Parallel Mini PCIe Card   Item Number: Mini PCIe Card to PCIe Card