Final Report Chapter 4 Trend on Communication Technology Exchange Residence OLT Optical Splitter Drop Wire ONU Optical Fiber Edge Router Down Link: 100Mbps Max ONU OLT: Optical Line Terminal ONU: Optical Network Unit MAX 32 (64) branches ONU Source: prepared by Survey Team Figure 4.2-2 System Configuration of FTTH In PON system, there are two (2) standards available as shown in Table 4.2-2. Table 4.2-2 Comparison between G-PON and GE-PON G-PON GE-PON ITU-T G.984 IEEE 802.3h 1.25 Gbit/s 1 Gbit/s Branches 32 (64) 32 Distance 20 km 20 km Standard Data Speed Prepared by Survey Team (2) FTTB (Fiber To The Building) Fiber optic cable is carried inside of the building directly from the exchange office as shown in Figure 4.2-3. This will be applied to the office buildings with a demand for high speed data transmissions. Building Exchange FTTB Optical Fiber Edge Router VDSL Prepared by Survey Team Figure 4.2-3 System Configuration of FTTB 4-5