2-Channel (Single-Function) MIL-STD-1553, 16-Channel ARINC 429 PXI Avionics Multiprotocol Interface Module—The LV-222-511-442 provides bus controller (BC), remote terminal (RTs) (up to 32), or monitor (MON) operation. It supports all MIL-STD-1553 message types. MIL-STD-1553 data buses can maintain a time-tagged history of bus activity in a sequential record file for storage and analysis. For ARINC 429, the LV-222-511-442 offers onboard processors that automatically handle all protocol-related activity including transmit scheduling and receive buffering. It supports periodic and asynchronous messages and sequential monitoring and timestamping. Each ARINC 429 channel supports programmable bit rate frequency.