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The permitted operating temperature depends on how the mounting device was installed. The installation is horizontal if the
2)
device labeling is from left to right. With a vertical installation, the device labeling is rotated through 90°.
Table 7-3
Type
X-300M
X-300M PoE
XR-300M
XR-300M PoE
XR-300M EEC
Table 7-4
Storage/transport temperature
Max. relative humidity in operation at 25 °C
Max. ambient temperature at operating altitude
See table: "Operating temperature depending on the media modules used"
1)
7.2
Connectors and electrical data
Table 7-5
Media module
MM992-2CUC
MM992-2CUC (C)
MM992-2CU
MM992-2M12 (C)
MM992-2VD
MM991-2 (BFOC)
MM991-2FM (BFOC)
MM991-2LD (BFOC)
MM991-2 (SC)
SCALANCE MM900
Compact Operating Instructions, 11/2019, A5E02630805-16
Operating temperature with media module MM991-2P
Permitted ambient conditions
Interfaces
Interfaces
2 x 10/100/1000 Mbps, RJ-45 ports electrical with securing collar
2 x 10/100/1000 Mbps, RJ-45 ports electrical with securing collar, varnished
2 x 10/100/1000 Mbps, RJ-45 port electrical without securing collar
2 x 10/100/1000 Mbps, GE M12 connector electrical
2 x 10/100/1000 Mbps, RJ-45 ports electrical with securing collar
2 x 100 Mbps, BFOC ports optical, multimode FO cable,
up to max. 5 km
2 x 100 Mbps, BFOC port optical, for glass FO cable (multimode) with diag‐
nostics up to max. 5 km
2 x 100 Mbps, BFOC ports optical, single mode FO cable,
up to max. 26 km
2 x 100 Mbps, SC ports optical, multimode FO cable,
up to max. 5 km
7.2 Connectors and electrical data
Operating temperature
●
- 25 °C to + 40 ℃
The slot above an MM991-2P may be used as follows:
● Without media module:
- 25 °C to + 50 °C)
● With media module MM992-2CUC or MM992-2CU:
- 25 °C to + 40 °C)
Note the information under "MM991-2P product character‐
istics".
-40 °C to +85 ℃
<= 95% (no condensation)
As of 2000 m:
-5 °C of the max. operating temperature
As of 3000 m:
-10 °C of the max. operating temperature
Technical data
1)
1)
45
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