Serial Line FileXfer ActiveX Cost: $699 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions Serial Line FileXfer ActiveX: MegaPipe ActiveX featuring the protocols of XModem Checksum, XModem CRC, XModem 1K, YModem, YModem-G, ZModem and Kermit is the reliable and small footprint component for the serial line file-transfer operation.