Transmission paths
The data can be transmitted along the following routes:
● Telephone line (modem)
● TCP/IP connection (system-internal network connection)
● Internet
Security requirements
If you use the OS Web Option in a PCS 7 plant, you must protect this plant against unauthorized
access.
Several measures are required to realize a security concept. Optimal protection is only
provided with all security measures as a whole.
For additional information, refer to the whitepaper
Safety concept in PCS 7 and WinCC - Base
document.
Fault - What should I do?
7.2 Preparing for expert support
Service Support and Diagnostics (V8.2)
Service Manual, 03/2016, A5E36200111-AA
87