Siemens X-400 technical specifications Media Module MM491-2LD 100Base-FX

Technical Specifications

7.3Media Module MM491-2LD (100Base-FX)

Interfaces
Connection of end devices or network	2x2 BFOC sockets
segments over FOC	(100 Mbps, 100BaseFX, full duplex)
Power of the laser diode	< 2 mW
Power consumption	2 W
Permitted Cable Lengths
FOC lengths	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)
Permitted Environmental Conditions
/ EMC
Operating temperature	0°C through + 60°C
Storage/transport temperature	- 40°C through + 80°C
Relative humidity in operation	< 95% (no condensation)
Operating altitude	Max. 2000 m
Noise emission	EN 55081 Class A
Noise 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	IP 20

124	Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
	C79000-G8976-C186-03