Media Module Mm491-2Ld (100Base-Fx) - Siemens SCALANCE X-400 Operating Instructions Manual
Industrial ethernet switches
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Also See for SCALANCE X-400:
- Operating instructions manual (164 pages) ,
- Compact operating instructions (42 pages) ,
- Configuration manual (404 pages)
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Technical Specifications
7.3
Media Module MM491-2LD (100Base-FX)
Connection of end devices or network
segments over FOC
Power of the laser diode
Power consumption
Permitted Cable Lengths
FOC lengths
Permitted Environmental Conditions
Operating temperature
Storage/transport temperature
Relative humidity in operation
Operating altitude
Noise emission
Noise immunity
Laser protection
Dimensions (W x H x D)
Weight
Degree of protection
124
Interfaces
/ EMC
Construction
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
2x2 BFOC sockets
(100 Mbps, 100BaseFX, full duplex)
< 2 mW
2 W
0 - 26 km
(10/125 µm single mode fiber,
0.5 dB/km at 1310 nm; 13 dB max.
permitted FO cable attenuation at 3 dB
link power margin)
0°C through + 60°C
- 40°C through + 80°C
< 95% (no condensation)
Max. 2000 m
EN 55081 Class A
EN 61000-6-2 : 2001
Class 1 complying with IEC 60825 -1
35 x 145 x 90 mm
260 g
IP 20
C79000-G8976-C186-03
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