Page 359 - The ROV Manual - A User Guide for Remotely Operated Vehicles 2nd edition

13.2 Transmission 351
Table 13.2 Specification Summary of Fiber Types
Multimode Graded Index (MM-GI)
Core/Cladding Attenuation @850/1300 nm Bandwidth Application
50/125 3/1 dB/km 62.5/125 3/1 dB/km 100/140 3/1 dB/km
500/500 MHz/km 160/500 MHz/km 150/500 MHz/km
Gb Ethernet LAN Typical LAN fiber Obsolete
Multimode Step-Index (MM-SI)
Core/Cladding Attenuation @850 nm Bandwidth Application
200/240 4
6 dB/km 50 MHz/km Slow LAN
Single Mode (SM)
Core/Cladding Attenuation @1310/1550 nm Bandwidth Application
9/125 0.4/0.25 dB/km B100 THz! Long high-speed cables
Plastic Optical Fiber (POF)
Core/Cladding Attenuation @650 nm Bandwidth Application
1 mm B1 dB/m B5 MHz/km Very short links
Top and bottom- side mux
Electronic
interface LED or laser
Detector
Electronic interface
Top side Bottom side
Tx signal
Rx signal
FIGURE 13.25
Components of a fiber-optic system.
Fiber