Product Characteristics
4.2 SCALANCE X101-1
4.2.9 SCALANCE X101-1 Displays
Fault indicator (red LED) )
Status Meaning
Lit red SCALANCE X101-1 detects an error. Simultaneously the
signaling contact opens.
The following errors are detected:
1. Link down event at a monitored port.
2. Failure of the supply voltage or supply voltage less than
14 V of one of the two redundant power supplies. See also
note in chapter 4.2.7
Not lit No error was detected by SCALANCE X101-1.
Power indicator (green LED)
The status of the power supply is indicated by a green LED:
Status Meaning
Lit green Power supply L1 or L2 are connected.
Not lit Power supply L1 and L2 is not connected or L1 and L2 <14 V
Comment: If the green LED is not lit, no other signal LED is lit.
Port status indicator (green/yellow LEDs) )
The status of the ports is indicated by 2 LEDs:
Status Meaning
Port 1: LED lit green link exists, no data reception at TP port
Port 2: LED lit green
link exists, no data reception at FOC
Port 1: LED lit yellow link exists, data received at TP port
Port 2: LED lit yellow
link exists, data received at FOC port
Port 1 and 2: LEDs flash yellow
Setting or display of the fault mask
Note
The link state of port P1 and port P2 (LED lit green) in stand-alone-mode is only indicated if
both ports have link at the same time.
In transparent link mode the link state is also recognized and indicated by the optical
port(P2) without a link at the port P1 (see chapter 4.2.8).
Industrial Ethernet Media Converters SCALANCE X-100 Series
Commissioning Manual, 07/2008, A2B00051521A
4-9
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