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Building Technologies
Key for the Ethernet connections
Element Des. Function
Connector P5 Internal Ethernet connection 1 (LOCAL), limited to the same housing
P4 Internal Ethernet connection 2 (LOCAL), limited to the same housing
P3 External Ethernet connection 1 (FIELD), limited to the same housing or
the same room up to a maximum length of 20 ft/6 m
P2 External Ethernet connection 2 (FIELD), limited to the same housing or
the same room up to a maximum length of 20 ft/6 m
Figure 6: View of option slots (not in use) FN2012
Key for the option slots
Element Des. Function
Connector P0 RING port 0, socket X1 for the optional Ethernet module (optical or
electric)
P1 RING port 1, socket X2 for the optional Ethernet module (optical or
electric)