Instruction manual

Appendix B Physical Specifications of Network Interfaces
95
Item
Physical specifications
Optical transmission power (mean) -9.5 to 0 dBm
Optical reception power (mean) -17.0 to 0 dBm
Optical transmission loss (max.) 7.5 dB
Transmission distance 2 to 500 m 2 to 550 m 2 to 220 m 2 to 275 m
Table B-6 Physical specifications of 1000BASE-SX2
Item
Physical specifications
Cable Type Multi-mode
Core/cladding diameter
50/125 µm 62.5/125 µm
Transmission band
500MHz km 500MHz km
Laser center wavelength
1.270 to 1.355 µm
Optical transmission power (mean) -9.0 to -3.0 dBm
Optical reception power (mean) -19.0 to -3.0 dBm
Optical transmission loss (max.) 10.0 dB
Transmission distance 2 m to 2 km 2 m to 1 km
#1
#1: Use of mode-conditioning patch cords can extend the transmission distance.
However, the maximum distance for transmission is 2 km, which might result in
transmission loss. To ensure transmissions can be made at a distance of 2 km, it is
necessary to keep the transmission loss at 10 dB or less.
Table B-7 Physical specifications of 1000BASE-LX
Item
Physical specifications
Cable Type Multiple-terminal mode
#1
Single mode
Core/cladding diameter
50/125 µm 62.5/125 µm 10 / 125 µm
Transmission band
400MHz km 500MHz km 500MHz km
-
Laser center wavelength
1.270 to 1.355 µm
Optical transmission power (mean) -11.5 to -3.0 dBm -11.0 to -3.0 dBm
Optical reception power (mean) -19.0 to -3.0 dBm