Table 8-98 Permitted ambient conditions
Storage/transport temperature -40 °C to +85 ℃
Max. relative humidity in operation at 25 °C <= 95% (no condensation)
Max. ambient temperature at operating altitude As of 2000 m:
-5 °C of the max. operating temperature
1)
As of 3000 m:
-10 °C of the max. operating temperature
1)
1)
See table: "Operating temperature depending on the media modules used"
8.9.2 Connectors and electrical data
Table 8-99 Interfaces
Media module Interfaces
MM992-2CUC 2 x 10/100/1000 Mbps, RJ-45 ports electrical with securing collar
MM992-2CUC (C) 2 x 10/100/1000 Mbps, RJ-45 ports electrical with securing collar, varnished
MM992-2CU 2 x 10/100/1000 Mbps, RJ-45 port electrical without securing collar
MM992-2M12 (C) 2 x 10/100/1000 Mbps, GE M12 connector electrical
MM992-2VD 2 x 10/100/1000 Mbps, RJ-45 ports electrical with securing collar
MM991-2 (BFOC) 2 x 100 Mbps, BFOC ports optical, multimode FO cable,
up to max. 5 km
MM991-2FM (BFOC) 2 x 100 Mbps, BFOC port optical, for glass FO cable (multimode) with diag‐
nostics up to max. 5 km
MM991-2LD (BFOC) 2 x 100 Mbps, BFOC ports optical, single mode FO cable,
up to max. 26 km
MM991-2 (SC) 2 x 100 Mbps, SC ports optical, multimode FO cable,
up to max. 5 km
MM991-2LD (SC) 2 x 100 Mbps, SC ports optical, single mode FO cable,
up to max. 26 km
MM991-2LH+ (SC) 2 x 100 Mbps, SC ports optical, single mode FO cable,
up to max. 70 km
MM991-2P (SC RJ) 2 x 100 Mbps SC RJ ports optical for Plastic Optical Fiber (POF) up to max.
50 m
or Polymer Cladded Fiber (PCF) up to max. 100 m
MM992-2 (SC) 2 x 1000 Mbps, SC ports optical, multimode FO cable,
up to max. 750 m
MM992-2 (C) (SC) 2 x 1000 Mbps, SC ports optical, multimode FO cable,
up to max. 750 m, varnished
MM992-2LD (SC) 2 x 1000 Mbps, SC ports optical, single mode FO cable,
up to max. 10 km
MM992-2LH (SC) 2 x 1000 Mbps, SC ports optical, single mode FO cable,
up to max. 40 km
MM992-2LH+ (SC) 2 x 1000 Mbps, SC ports optical, single mode FO cable,
up to max. 70 km
Technical specifications
8.9 MM900 technical specifications
SCALANCE X-300
204 Operating Instructions, 11/2019, A5E01113043-24