Siemens X-400 ユーザーズマニュアル
Technical Specifications
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
124
C79000-G8976-C186-03
7.3
Media Module MM491-2LD (100Base-FX)
Interfaces
Connection of end devices or network
segments over FOC
segments over FOC
2x2 BFOC sockets
(100 Mbps, 100BaseFX, full duplex)
(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)
(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