Siemens 6ES7241-1AH32-0XB0 SIMATIC S7-1200, Communication module CM 1241, RS232, 9-pole D-sub (pin), supports Freeport (Siemens 6ES72411AH320XB0)
Siemens 6ES7241-1CH32-0XB0 SIMATIC S7-1200, Communication module CM 1241, RS422/485, 9-pole D-sub (socket) supports Freeport (Siemens 6ES72411CH320XB0)
Siemens 6ES7241-1CH30-1XB0 SIMATIC S7-1200, Communication Board CB 1241, RS485, terminal block, supports Freeport (Siemens 6ES72411CH301XB0)
Siemens 6GT2002-0LA00 RFID communication module RF120C for SIMATIC S7-1200; 1 reader connectable; RS-422 (Siemens 6GT20020LA00)