4 Displays
B
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20
CP 443-1 for Industrial Ethernet / Manual Part B
Release 07/2010
C79000-G8976-C223
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06
4 Displays
LED display
The display on the front panel consists of 9 LEDs that indicate the operating mode
and communication status.
INTF
EXTF
BUSF
TXD
RXD
RUN
STOP
Front
panel:
P1
P2
MAINT
The LEDs have the following meaning:
S
INTF:
Internal fault
S
EXTF: External fault
S
BUSF: Bus fault
S
TXD:
Frame traffic (sending) over Ethernet
(not relevant for PROFINET IO data)
S
RXD:
Frame traffic (receiving) over Ethernet
(not relevant for PROFINET IO data)
S
MAINT: Maintenance necessary (diagnostic buffer)
S
RUN:
RUN mode
S
STOP: STOP mode
S
P1 / P2: Link status of Ethernet port 1 / port 2,
Activity of Ethernet port 1 / port 2
Unlabeled LEDs have no significance (only relevant for diagnostics)