1553 Data Bus

L POD OUT=0 IN=1 -12DB+-1

The MIL-STD-1553 data bus connects the bus devices using a transformer coupled with a bus transceiver. It consists of twisted pair cable, terminating resistors, and isolation transformers.

DIT-MCO’s wiring analyzers can verify the connections to the transformer by measuring the coil resistance. The DataPod option allows you to measure the bus attenuation and verify the polarity of the terminations, ensuring that the wiring system is fully tested. The ability of the DataPod to perform attenuation measurements allows for testing the data bus with terminating resistors.

Using the DataPod attenuation measurement allows for testing the complete data bus and the ability to determine potential failures due to improperly terminated resistors, damaged resistors, or damaged coupling transformers. This can allow the user to quantify their product's pass and fail criteria.

For detailed DataPod testing and programming information, refer to Appendix H of the NETS Programming Manual 132-06047-0006.

Source: NETS User Manual, Revision D, document 132-06035-0006, section 4.4.12.