Profile: Sycos (U K ) Ltd. is a designer of interfaces between commercial aircraft data busses and a variety of host computers including VME, VSB, ISA, PCMCIA, PCI and CompactPCI. Our products are supporting many aircraft test, development and simulator programs. Our Arinc 429 PMC modules offer the user up to 32 channels on a single width PMC module. Each channel can be programmed independently to operate at either high or low speed. The design provides for a wide variety of channel mix, from 4Tx, 4Rx through to 32Tx or 32Rx.