The Siemens 6ES7972-0CB35-0XA0 is a TS Adapter II for SIMATIC Teleservice, providing RS-232 connectivity with an integrated analog modem for remote access to S7 controllers. It connects to the MPI/DP network and can be powered either from the MPI bus or an external 24 V supply. Parameter assignment is handled via USB.
Deployment context
The TS Adapter II mounts on DIN rail and connects to MPI/DP or external 24 V supply. It provides remote service access via an analog modem.