Siemens Simatic ET 200S Operating Instructions Manual page 97

• Fiber optic duplex cable see catalog IK PI
Rules for configuring a fiber optic cable network with IM151-1 FO STANDARD
In fiber-optic networks with participants with integrated fiber-optic interfaces:
• The fiber-optic network can only be configured as a line.
• If you remove the fiber-optic cable from an integrated fiber-optic interface or the supply
ET 200S
Operating Instructions, 12/2005, A5E00515771-03
voltage to the IM151-1 FO STANDARD fails, all subsequent nodes will no longer be
accessible.
Wiring and assembly
5.4 Wiring the ET 200S
5-17