Siemens X-400 Manual De Usuario

Descargar
Página de 148
Technical Specifications 
 
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches 
126 
C79000-G8976-C186-03 
7.5 
Media Module MM492-2LD (1000Base-LX) 
 
 Interfaces 
 
 
Connection of end devices or network 
segments over FOC 
2 x SC duplex sockets 
(1000 Mbps, 1000BaseLX, 
full duplex) 
 
Power of the laser diode 
< 2 mW 
 
Power consumption 
4 W 
 
 
Permitted Cable Lengths 
 
 
FOC lengths 
0 – 10 km 
(10/125 µm single mode fiber, 
0.5 dB/km at 1310 nm; 6 dB max. per-
mitted FO cable attenuation at 3 dB 
link power margin) 
 
 
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 
250 
 
Degree of protection 
IP 20