Siemens - 6ES72411AH320XB0 - PLC Expansion Module, Communication, RS232, CM 1241, SIMATIC S7-1200 Series - RS
Siemens S7-1200 Serial Communication | DMC, Inc.
6ES7241-1AH32-0XB0 Siemens | Siemens PLC Expansion Module for use with S7- 1200 Series, 100 x 30 x 75 mm, RS232, RS232, SIMATIC | 810-4169 | RS Components
Siemens CM 1241 RS232 - 6ES7241-1AH32-0XB0 | Automation24