SCALANCE M874, M876
Operating Instructions, 06/2015, C79000-G8976-C331-05
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Preface ................................................................................................................................................... 3
1 Description of the device ......................................................................................................................... 9
1.1 Product characteristics.............................................................................................................. 9
1.2 Accessories ............................................................................................................................. 11
1.3 LED display ............................................................................................................................. 12
1.3.1 SCALANCE M874-2, M874-3 ................................................................................................. 12
1.3.2 SCALANCE M876-3, M876-4 ................................................................................................. 14
1.4 SET button .............................................................................................................................. 17
1.5 C-PLUG and KEY-PLUG ........................................................................................................ 19
2 Installation ............................................................................................................................................ 21
2.1 Securing the housing .............................................................................................................. 22
2.2 Wall mounting ......................................................................................................................... 23
2.3 Installation on the DIN rail ....................................................................................................... 24
2.4 Installing on the S7-300 standard rail ..................................................................................... 26
2.5 Installing on the S7-1500 standard rail ................................................................................... 28
3 Connecting up ....................................................................................................................................... 31
3.1 Safety when connecting up ..................................................................................................... 31
3.2 SIM card .................................................................................................................................. 33
3.3 Power supply .......................................................................................................................... 34
3.4 Grounding ............................................................................................................................... 36
3.5 Digital input/output .................................................................................................................. 37
3.6 Antennas ................................................................................................................................. 39
3.7 Ethernet port ........................................................................................................................... 42
3.8 Inserting and removing the PLUG .......................................................................................... 43
4 Dimension drawing ............................................................................................................................... 45
4.1 SCALANCE M874-2, M874-3 ................................................................................................. 45
4.2 SCALANCE M876-3, M876-4 ................................................................................................. 47
5 Technical specifications ........................................................................................................................ 49
5.1 GPRS/EDGE router SCALANCE M874-2 .............................................................................. 49
5.2 HSPA+ router SCALANCE M874-3 ........................................................................................ 52
5.3 HSPA+ router SCALANCE M876-3 ........................................................................................ 55
5.4 LTE router SCALANCE M876-4 ............................................................................................. 58