Technical specifications 
  6.4 LTE router SCALANCE M876-4 
SCALANCE M874, M876 
Operating Instructions, 08/2018, C79000-G8976-C331-08 
77 
Permitted ambient conditions 
Ambient temperature  During operation  Without air flow and with a clearance at the side 
of 5 cm to the neighboring device: 
-20 ℃ to +60 ℃ 
Without clearance at the side and an air flow of 
0.5 m/s (only with the "LTE only" mode) 
  During transporta-
-40 ℃ to +70 ℃ 
≤ 95% at 25 °C, no condensation 
Design, dimensions and weight 
Installation options 
•  Installation in a 19" rack 
•  Mounting on a DIN rail 
•  Mounting on an S7-300 standard rail 
•  Mounting on an S7-1500 standard rail 
•  Wall mounting 
•  Mounting on a pedestal 
Installation direction  Vertical (ventilation openings at the top and 
Configuration / management 
•  Web Based Management (WBM) via HTTP 
and HTTPS. 
•  Command Line Interface (CLI) via Telnet and 
SSH