bus, examination of hardware signals can be very important to find problems. A protocol analyzer is useful to collect, analyze, decode and store signals. See also ARINC 615 defines a high-speed data loader protocol layered upon the ARINC 429 physical layer. ARINC 629 defines a high-speed, multi-transmitter, TDMA extension to ARINC 429, superseded by AFDX. ARINC 664.7 (See AFDX) defines the use of a deterministic Ethernet network as an avionic databus in later aircraft like the Airbus A380 and the Boeing 787. This standard defines virtual point-to-point connections implementing the same concept as used in ARINC 429. In contrast to 429, these connections do not exist physically, but as TDMA logical links. ARINC 708 defines a protocol for transmission of weather radar data. While the 708 transmission is a simplified version of MIL-STD-1553, control of ARINC 708 components was standardized through ARINC 429 labels. ARINC 828 defines Electronic Flight Bag (EFB) interfaces used in all types of aircraft and includes, among other interfaces, ARINC 429 interfacing. MIL-STD-1553, Military Bus standard for a "Shared Serial Bus", often used in place of ARINC 429. References External links ARINC standards Serial buses