Siemens FS20 - FN2012-A1 Integrated into Station

Updating the firmware
Updating the FW of Ethernet switch (modular) FN2012
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A1
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188
Building Technologies
009052_s_en_
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Fire Safety
2016
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06
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02
29.9.2 FN2012-A1 integrated into station
ϖ The FN2012-A1 is connected to the station via a ribbon cable.
ϖ The FN2012-A1 is connected to the sub-net via an Ethernet cable.
ϖ The FN2012-A1 has been created in the hardware tree in Engineering Tool or
has been read in on the station.
ϖ In Engineering Tool, an IP address that is valid within the sub-net has been
configured for the FN2012-A1.
ϖ The rotary switch on the FN2012-A1 is set to '0'.
κ Update the FW of the main CPU and the additional CPUs. Link [➙ 118]
Or
κ Update the FW of the additional CPUs only. Link [➙ 132]