What are the BSC protocols as defined by IBM?
• 3780 – This is a batch file transfer protocol used for Remote Job Entry (BSC/RJE) communications between PCs or notebook computers and IBM-compatible mainframes or midrange systems. The 3780 protocol is the only protocol that can be used to communicate between two PCs. IBM terminal that are emulated include 2780 and 3780. What are the types of IBM-compatible mainframes and hosts? IBM compatible mainframes include IBM ES/9000, S/390, S/370, and S/3090 mainframes as well as compatible systems manufactured by companies such as Amdahl and Hitachi. IBM-compatible midrange computers include IBM AS/400 and System/3x hosts.