SIEMENS 6DD1688-1AA0 Description Description SIEMENS SIMADYN D INTERFACE SUBMODULE SS1 20MA (TTY) Related products SIEMENS 1FK7083-5AF71-1EB3 SIEMENS 1FK6042-6AF71-1TB0 SIEMENS 1FK6060-6AF71-1TA0 SIEMENS 1FN3300-4SA00-0AA0 SIEMENS 1FT5066-1AF71-4AA0 SIEMENS 1FK7022-5AK71-1DA0
