# Binary Synchronous Communications

> late 1960s IBM mainframe communications protocol (was still in limited use even in 2010s)

**Wikidata**: [Q446400](https://www.wikidata.org/wiki/Q446400)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Binary_Synchronous_Communications)  
**Source**: https://4ort.xyz/entity/binary-synchronous-communications


## References

1. Freebase Data Dumps. 2013