5KTS-41 system controlWiring the KTD-300R to control a KTS-41A system involves connecting the RS-422 input cable (if used), theRS-422 output cable (if used), the DTMF output cable (to the KTS-41A), and the 12 VDC wall transformer(Figure 6).Figure 6. KTD-300R connections with KTS-41A controlPower-upAfter you make all the connections, the KTD-400 or KTD-300R will be ready for operation. Plug the 12 VDCwall transformer into a power outlet. The LCD window will briefly display keypad setting information(Figure 7 on page 6), then it will enter the operating mode.Terminal stripRS-422 control signal inRS-422 control signal out12 VDC walltransformerKTD-300R keypadDTMF to KTS-41A

GE KTD-400 User Manual