Specifications

Technical specifications
8.3 Media module MM491-2LD (100Base-FX) - technical specifications
SCALANCE X-400 BA
132 Operating Instructions, 03/2009, C79000-G8976-C186-07
8.3 Media module MM491-2LD (100Base-FX) - technical specifications
Interfaces
Connection of end devices or network segments
over FOC
2x2 BFOC sockets
(100 Mbps, 100BaseFX, full duplex)
Power of the laser diode < -8 dBm
Power consumption
• For product versions 01 to 04
• As of product version 05
2 W
4 W
Permitted cable lengths
FO cable lengths:
• 9/125 µm single mode fiber
0 - 26 km
(0.5 dB/km at 1310 nm;
maximum insertion loss 0.5 dB;
14 dB max. permitted FO cable attenuation at
2 dB link power margin)
Permitted environmental conditions / EMC
Operating temperature
• For product versions 01 to 04
• As of product version 05
0 °C through + 60 °C
-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 260 g
Degree of protection IP20