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blastronix provides serial and digital i/o solutions including rs-232, rs-422, and rs-485 pci, low profile/universal bus pci, pc/104, pcmcia, usb, and ethernet serial products. digital i/o products include pci, pc/104, usb, ethernet (modbus/tcp), rs-485/rs-232 (modbus/rtu) and pcmcia cards. all i/o products are backed by a lifetime warranty and excellent technical support.