The Siemens 6ES7972-0CC35-0XA0 is a TS Adapter II ISDN for SIMATIC Teleservice, carrying a mature lifecycle stage. It provides a remote service gateway via RS-232 and an integrated ISDN modem, connecting to MPI/DP networks with power from MPI or an external 24 V supply. Parameter assignment is done over USB.
Integration Notes
The TS Adapter II ISDN sits between an S7 controller (MPI/DP port) and an ISDN phone line, allowing remote teleservice access. Power can be drawn from the MPI bus or from an external 24 VDC supply — confirm the supply capacity if using MPI power, as the adapter adds load to the bus. The USB port is for local parameter assignment, not runtime communication.