The PCCD-1553 & ECD54-1553 Interface Cards and AltaAPI Support Software Represent the Latest MIL-STD-1553 32-bit FPGA Protocol Engine Technology. The PCCD-1553 is a standard type II PCMCIA/PCCARD and the ECD54-1553 is a standard 54mm PCI ExpressCard. The PCCD/ECD54-1553 Passes SAE AS4111/4112 Protocol Tests and is the Only Commercial Off the Shelf Card That Supports for Full Protocol Testing AND Signal Capture as Standard Product.