Service and maintenance
12.1 Diagnostics
SIMATIC RF185C, RF186C, RF188C, RF186CI, RF188CI
Operating Instructions, 04/2020, C79000-G8976-C512-03
149
PROFINET/Ethernet LED display
The states of the PROFINET/Ethernet connections are indicated by the "X1 P1R" and "X1
P2R" LEDs. The LEDs can adopt the colors green, red or yellow and the statuses off , on ,
flashing :
Table 12- 4 Shows the PROFINET/Ethernet states via the PROFINET/Ethernet LED display
X1 P*R Meaning
•
No connection is available.
•
No cable has been connected.
The flash test is performed for reader identification. At the same time, the LEDs of the status and reader LED
display also flash.
•
LED test while the CM is starting up.
•
A connection is available.
12.1.2
Diagnostics via SNMP
Comprehensive diagnostic options of the network functions of the communication module
are available via SNMP. The following diagnostic options (MIBs) are supported by the
communication modules:
●
automationSimaticNet.mib
●
automationSnSystem.mib
●
automationSystem.mib
●
IEC-62439.mib
●
IP.mib
●
LLDP-EXT-DOT1.mib
●
LLDP-EXT-DOT3.mib
●
LLDP-EXT-PNO.mib
●
LLDP.mib
●
RFC1213.mib
●
SNMPv2.mib
●
SNMPv2Smi.mib
You can find the MIB files corresponding to the communication modules on the pages of
Siemens Industry Online Support
https://support.industry.siemens.com/cs/ww/en/view/67637278
) (automation MIBs),
information on the MIB files under "PROFINET user organization
https://www.profibus.com/download/profinet-specification/
)".