Rockwell Automation 1756-EN2TSC EtherNet/IP Secure Communication User Manual - Manual (Page 9)

Rockwell Automation Publication ENET-UM003B-EN-P - September 2013 9
Chapter
1
Secure Communication Architecture
Many control systems currently use 1756-EN2T and 1756-ENBT modules to
connect ControlLogix® systems to plant-level systems. A 1756-EN2TSC module
offers the same connectivity, as well as additional security options to protect
access to resources on the local backplane from the plant network Use the
1756-EN2TSC module to establish secure tunnels with peer modules,
Windows 7 clients, and VPN appliances.
Topic Page
Network Access Security 12
Performance 14
Enterprise Zone
Levels 4 and 5
Demilitarized Zone (DMZ)
Demilitarized Zone (DMZ)
Manufacturing Zone
Site Manufacturing
Operations and Control
Level 3
Level 0…2
Secure Tunnel Between 1756-EN2TSC
Module and Windows 7 Client.
Peer-to-Peer Secure Tunnel
Between 1756-EN2TSC Modules ControlLogix Chassis with
1756-EN2TSC Module
Secure Tunnel Between 1756-EN2TSC
Module and VPN Appliance