Table of contents
1 Introduction........................................................................................................................................... 5
2 Safety notices ...................................................................................................................................... 11
3 Recommendations on network security.............................................................................................. 13
4 Description of the device..................................................................................................................... 19
4.1 Properties and functions .................................................................................................... 19
4.2 Product overview ............................................................................................................... 21
4.3 Accessories........................................................................................................................ 23
4.4 Spare parts ........................................................................................................................ 27
4.5 Device views...................................................................................................................... 28
4.5.1 SCALANCE XM408-4C........................................................................................................ 28
4.5.2 SCALANCE XM408-8C........................................................................................................ 29
4.5.3 SCALANCE XM416-4C........................................................................................................ 30
4.6 SELECT / SET button ........................................................................................................... 31
4.7 LED display ........................................................................................................................ 33
4.7.1 Overview........................................................................................................................... 33
4.7.2 "RM" LED............................................................................................................................ 33
4.7.3 "SB" LED............................................................................................................................. 34
4.7.4 "F" LED............................................................................................................................... 34
4.7.5 LEDs "DM1" and "DM2"....................................................................................................... 34
4.7.6 LEDs "L1" and "L2".............................................................................................................. 35
4.7.7 Port LEDs ........................................................................................................................... 36
4.8 C-PLUG/KEY-PLUG............................................................................................................... 38
4.8.1 Function of the C-PLUG/KEY-PLUG ...................................................................................... 38
4.8.2 Replacing the C-PLUG/KEY-PLUG ......................................................................................... 39
4.9 Functions........................................................................................................................... 41
4.9.1 Combo ports...................................................................................................................... 41
4.9.2 Power over Ethernet (PoE).................................................................................................. 41
5 Installation........................................................................................................................................... 43
5.1 Safety notices for installation ............................................................................................. 43
5.2 Types of installation ........................................................................................................... 45
5.3 Mounting on DIN rails ........................................................................................................ 46
5.4 Installation on a standard S7-300 rail ................................................................................. 47
5.5 Installation on a standard S7-1500 rail ............................................................................... 48
5.6 Fitting an extender ............................................................................................................ 49
5.7 General notes for SFP transceivers...................................................................................... 52
SCALANCE XM-400
Operating Instructions, 03/2021, C79000-G8976-C306-10 3