4.7.1 Position ............................................................................................................................. 35
4.7.2 Port LEDs ........................................................................................................................... 35
4.7.3 "F" LED............................................................................................................................... 37
4.7.4 LEDs "L1" and "L2".............................................................................................................. 37
4.7.5 "RM" LED............................................................................................................................ 38
4.7.6 "SB" LED............................................................................................................................. 38
4.7.7 LEDs "DM1" and "DM2"....................................................................................................... 39
4.8 SELECT / SET button ........................................................................................................... 39
4.8.1 Position ............................................................................................................................. 39
4.8.2 Setting the display mode.................................................................................................... 40
4.9 Conguration License PLUG................................................................................................ 40
4.9.1 Position ............................................................................................................................. 41
4.9.2 Function............................................................................................................................ 41
5 Installing and removing....................................................................................................................... 43
5.1 Safety during installation ................................................................................................... 43
5.2 Types of installation ........................................................................................................... 46
5.3 19" rack mounting ............................................................................................................. 48
5.4 Four-point mounting.......................................................................................................... 50
5.5 Inserting and removing pluggable transceivers................................................................... 53
5.5.1 General notes for SFP transceivers...................................................................................... 53
5.5.2 Inserting a plug-in transceiver (SFP/SFP+)........................................................................... 53
5.5.3 Removing a pluggable transceiver (SFP/SFP+) ..................................................................... 54
5.6 Disassembly....................................................................................................................... 54
6 Connecting up ..................................................................................................................................... 55
6.1 Safety when connecting up................................................................................................ 55
6.2 Wiring rules ....................................................................................................................... 59
6.3 24VAC/DC power supply................................................................................................... 60
6.4 Power supply 100 to 240VAC / 110 to 250VDC.................................................................. 64
6.5 Grounding ......................................................................................................................... 67
6.5.1 Functional ground ............................................................................................................. 68
6.5.2 Protective grounding (24VAC/DC device versions) ............................................................. 68
6.5.3 Protective grounding (100 to 240VAC / 110 to 250VDC device versions)............................ 69
6.5.4 Connecting the grounding via a grounding bolt.................................................................. 70
6.6 Industrial Ethernet ............................................................................................................. 70
6.6.1 Electrical............................................................................................................................ 70
6.6.2 Optical............................................................................................................................... 73
6.6.3 Dependency between ports and ambient temperature (derating) ....................................... 74
6.7 Signaling contact ............................................................................................................... 75
6.8 USB console interface ........................................................................................................ 77
6.9 Replacing a CLP.................................................................................................................. 78
Table of contents
SCALANCE XR-300
4 Operating Instructions, 03/2023, C79000-G8976-C586-02