Specifications

Technical specifications
8.9 Media module MM492-2ELH (1000Base-LX) - technical specifications
SCALANCE X-400 BA
138 Operating Instructions, 03/2009, C79000-G8976-C186-07
8.9 Media module MM492-2ELH (1000Base-LX) - technical specifications
Interfaces
Connection of end devices or network segments
over FOC
2 x SC duplex sockets
(1000 Mbps, 1000Base-LX, full duplex)
Power of the laser diode < 5 dBm
Power consumption 4 W
Permitted cable lengths
FOC lengths
• 9/125 µm single mode fiber
*) – 120 km
(0.225 dB/km at 1550 nm;
maximum insertion loss 0.5 dB,
27 dB max. permitted FO cable attenuation at
2 dB link power margin,
minimum cable attenuation 8 dB)
Environmental conditions / EMC
Operating temperature - 40°C through + 70°C
Storage/transport temperature - 40°C through + 80°C
Relative humidity in operation < 95% (no condensation)
Operating altitude Max. 2000 m
RF interference level EN 55081 Class A
Immunity EN 61000-6-2: 2001
Laser protection Class 1 complying with IEC 60825-1
Construction
Dimensions (W x H x D) 35 x 145 x 90 mm
Weight 250 g
Degree of protection IP20