Interface element. SUB-D connector according to IEC 807-2 / DIN 41652. Passive interfaces for signal transmission of a SubD connector equipped with tension clamp technology according to IEC 807-2 / DIN 41652. The most essential features are: group with 9-, 15-, 37- and 50-pin male and female connectors. One-to-one electrical connection between control and field terminals. Extremely compact modules for mounting on standard mounting rail TS 35 or TS 32.