The serial cable between CP340 and MD720

Hello,

Isthe serial cable 6NH7701-4AL correct to connect CP340 card and MD720 modem to send SMS ? If no please give me correct reference number.

Chris

Hello

Look at 6NH7701-4AL Yes this cable is

SUITABLE FOR CONNECTING MODEMS TO A SIMATIC POINT-TO-POINT CP LIKE CP340, CP341...

Also this is useful: Sending and Receiving SMS Messages with S7-300/400 via serial CPs (340/341/441-2) and the GPRS/GSM Modem MD720-3

regards