Siemens SIMATIC NET MM900 Series Compact Operating Instructions page 13

Permitted ambient conditions
Environmental conditions
Transportation/storage tem-
perature
Operating temperature
Maximum relative humidity
in operation at 25 °C
Operating altitude above
sea level depending on
ambient temperature
Electrical data
Media module
MM992-4CU
MM992-4CUC
MM992-4SFP
MM992-4PoE
MM992-4PoEC
MM991-4
MM991-4LD
MM992-4
MM992-4LD
* At 24 VDC rated voltage of the basic device
Note
Fusing and signal contacts with media modules
The MM900 media modules do not have their own fuses and have no signaling
contacts. The fuses and the signaling contacts exist in the SCALANCE device.
MM900 media modules for SCALANCE XR-500M
A5E03275846-04, 11/2015
-40 to +70 °C
0 to +60 °C
< 95 % no condensation
2000 m at max. 56 °C
•
3000 m at max. 50 °C
•
Current consumption*
0.14 A
0.02 A
2.89 A
(at 60 W PoE load)
0.20 A
0.16 A
0.13 A
0.15 A
Technical data
Maximum power consump-
tion*
3.36 W
0.48 W
69.36 W
(at 60 W PoE load)
4.8 W
3.84 W
3.12 W
3.6 W
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