![AXN/MBM/401 MIL-STD-1553 Bus Monitor Parser/Packetizer AXN/MBM/401 MIL-STD-1553 Bus Monitor Parser/Packetizer](/sites/default/files/2021-10/axn-mbm-401.png)
The AXN/MBM/401 is a MIL-STD-1553 bus monitor, which can monitor up to four dual redundant buses. It combines the capabilities of a coherent message parser, with the flexibility of a packetizer. It also provides message counting and extensive error detection functions, on a single module.