Ethernet switch (MM) FN2008-A1
20
Indicators
125
Building Technologies
008837_q_en_--
Fire Safety
14.05.2012
Wiring
WARNING
Heavily concentrated light
Eye damage
Do not look into the red light of the transmitter (TX).
The fiber optic cable is wired cross-wise:
The optical transmitter (TX) of one port must always be connected to the other
switch with the optical receiver (RX) of the other port.
The bending radius of the fiber optic cable must not be less than 20 mm.
20.4
Indicators
Standard LED indicators
LED Color Function
Condition
Meaning
F
Red
Fault
Lit up
Connection fault on one monitored port
Loss of one of the two redundant supplies
C-plug error
Powering up of device, LED lights up for around 20 s
Flashes
Internal error. Device may be defective
Does not light
up
Normal condition
L
Green/
yellow
Line
Lights up green
Both voltage supplies (L1 and L2) are connected (redundant
supply)
Lights up yellow
One voltage supply (L1 or L2) is connected (not redundant supply)
Does not light
up
Voltage supply L1 and L2 are not connected or <14 V
P1
P2
P3
P4
P5
P6
Green/
yellow
Ports
Lights up green
Powering up of device, LED lights up for around 6 s
Lights up yellow
Reception of data
Powering up of device, LED lights up for around 20 s
Flashes yellow
Detector screen setting or display
Flashes green
The 'Show location' function has been activated via ETHERNET.
The button has been pressed for more than 15 s to reset the
configuration.
The PROFINET I/O operation with the PN I/O controller has been
started. The attempt to change the detector screen by pressing a
button is rejected by all port LEDs flashing once.
RM Green Redundancy
manager
Lights up green
Redundancy manager is activated
Flashes green
Redundancy manager is switched over
Does not light
up
Redundancy manager is deactivated