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4.7
LED display ........................................................................................................................ 33
4.7.1
Position ............................................................................................................................. 33
4.7.2
"A" LED .............................................................................................................................. 33
4.7.3
4.7.4
4.7.5
"P" LEDs ............................................................................................................................. 35
4.8
SELECT / SET button ........................................................................................................... 36
4.8.1
Position ............................................................................................................................. 36
4.8.2
Function ............................................................................................................................ 36
4.8.3
Setting the display mode.................................................................................................... 37
4.9
Configuration License PLUG................................................................................................ 37
4.9.1
Position ............................................................................................................................. 37
4.9.2
Function ............................................................................................................................ 38
5
Installing and removing....................................................................................................................... 39
5.1
Safety during installation ................................................................................................... 39
5.2
Types of installation ........................................................................................................... 42
5.3
19" rack mounting ............................................................................................................. 44
5.4
Four-point mounting.......................................................................................................... 46
5.5
Inserting and removing pluggable transceivers................................................................... 49
5.5.1
General notes for SFP transceivers...................................................................................... 49
5.5.2
Inserting a plug-in transceiver (SFP/SFP+) ........................................................................... 49
5.5.3
Removing a pluggable transceiver (SFP/SFP+) ..................................................................... 50
5.6
Disassembly....................................................................................................................... 50
6
Connecting up ..................................................................................................................................... 51
6.1
Safety when connecting up................................................................................................ 51
6.2
Wiring rules ....................................................................................................................... 55
6.3
24 V AC/DC power supply ................................................................................................... 56
6.4
Power supply 100 to 240 VAC / 110 to 250 VDC.................................................................. 60
6.5
Grounding ......................................................................................................................... 63
6.5.1
Functional ground ............................................................................................................. 64
6.5.2
Protective grounding (24 V AC/DC device versions) ............................................................. 64
6.5.3
Protective grounding (100 to 240 VAC / 110 to 250 VDC device versions)............................ 65
6.5.4
Connecting the grounding via a grounding bolt.................................................................. 66
6.6
Industrial Ethernet ............................................................................................................. 66
6.6.1
Electrical............................................................................................................................ 66
6.6.2
Optical............................................................................................................................... 69
6.6.3
Dependency between ports and ambient temperature (derating) ....................................... 70
6.7
Signaling contact ............................................................................................................... 71
6.8
USB console interface ........................................................................................................ 73
6.9
Replacing a CLP.................................................................................................................. 74
4
SCALANCE XRH-300/XRM-300
Equipment Manual, 10/2022, C79000-G8976-C546-01
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