Siemens FN2012-A1 Installation Manual page 6

Ethernet switch (modular) FN2012-A1
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Description
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● 2x Ethernet ports for external Ethernet (increased EMC safety and ground fault
supervision)
● MoNet bus connection for transmitting the peripheral data bus signal via
connection module (MoNet)
● Configurable with 16-pin rotary switch
● 1x dry contact relay output for fault signals
● Several supply options
– Via the supply connection (redundant)
– Via PoE with optional Ethernet module (electric)
– Via MoNet bus
● 2x slots for optional Ethernet modules (ring ports) – not included in scope of supply
– VN2001 Ethernet module (electric) for distances up to 330 ft/100 m
– VN2002 Ethernet module (MM), optical Ethernet module for distances up to
13123 ft/4 km with an 11 dBm loss
– VN2003 Ethernet module (SM), optical Ethernet module for distances up to
131233 ft/40 km with a 29 dBm loss
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The length is a guide value dependent upon the loss of the optical cable
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