Siemens SCALANCE M-800 Series Getting Started page 104

VPN tunnel between SCALANCE M-800 and S612
3.2 Secure VPN tunnel with PSK
5. Enter the values assigned to the S612 from the "Settings used (Page 91)" table. In
addition to this, enter the MAC address printed on the front of the security module
6. Close the dialog with "OK".
7. Generate a second module with the "Insert" > "Module" menu command
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SCALANCE M-800 Getting Started
Getting Started, 06/2015, C79000-G8976-C337-04