FTTH放下电缆

2.3 Classification of FTTHdrop cable According to the construction, FTTH optical fiber cable can be classified into two types: one is FTTHoptical fiber cable and self-supporting figure 8 optical fiber cable. FTTH optical fiber cable can also be classified into the following types as show in table 1, according to the material of strengthen member and messenger wire. Table 3: Classification of ordinary FTTH optical fiber cableS/NName Model Description Picture 1 FTTH optical fiber cableModel 1 Non-metallic strengthen member Model 2 Metallic strengthen member S/NName Model Description Picture 2 Self-supporting figure8 optical fiber cableModel 3 Metallic messenger wire,Non-metallic strengthen member Model 4 Non-metallic messenger wire,Non-metallic strengthen member S/NName Model Description Picture 2 Self-supporting figure8 optical fiber cableModel 5Metallic messenger wire,Metallic strengthen member Model 6 Non-metallic messenger wire,Metallic strengthen member