1770-SB is a portable recording device used to record and load user programs into PLC-2, PLC-3, and PLC-4 Programmable Controllers; series 7100 and 8200 Computerized Numerical Controllers; and series 8200 Robot Controls. The 1772-TH cable is used to connect the 1770-SB to a Industrial Terminal System or to a PLC-4 Microtrol Controller, PLC-2, PLC-3, and series 7100 CNC can be connected to the Industrial Terminal System