ISDN ADSL FTTx, VDSL2, ADSL2plus Enhanced Copper Hybrid Fibre/Copper Pure Fibre Speed Comparison Voice band Modem FTTH.

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Presentation transcript:

ISDN ADSL FTTx, VDSL2, ADSL2plus Enhanced Copper Hybrid Fibre/Copper Pure Fibre Speed Comparison Voice band Modem FTTH

Normal Telephone Line 4KHz PSTN

IP TV Server Internet CORE Network (MPLS) ADSL MODEM Existing Copper ADSL MODEM 1.5 to 9 Mbps 16 to 640 kbps ADSL Connection

How does ADSL work ADSL exploits the unused analogue bandwidth available in the wires ADSL exploits the unused analogue bandwidth available in the wires ADSL works by using a frequency splitter device to split a traditional voice telephone line into two frequencies ADSL works by using a frequency splitter device to split a traditional voice telephone line into two frequencies 4KHz PSTNDownstreamUpstream

ADSL Range In general, the maximum range for DSL without a repeater is 5.5 km As distance decreases toward the telephone company office, the data rate increases For larger distances, you may be able to have DSL if your phone company has extended the local loop with optical fiber cable Data RateWire gaugeWire sizeDistance 1.5 or 2 Mbps24 AWG0.5 mm5.5 km 1.5 or 2 Mbps26 AWG0.4 mm4.6 km 6.1 Mbps24 AWG0.5 mm3.7 km 1.5 or 2 Mbps26 AWG0.4 mm2.7

Splitter ADSL modem Phone Telephone line Voice + ADSL Voice (+ ADSL leakage) ADSL (only) ADSL Filter

ADSL - Internet only

ADSL - Internet+Peo TV

O/F PON OLT Only Copper to Home Separate Fiber to Node B PON for AGW (MSAN), Node B and Customer Premises O/F 9 Max 4Km Radius Separate Fiber to AGW and Copper to Home

10 Access network – Passive Optical Network (PON) 10 Upto 1Gb/s

11 Access Technologies FTTN (Fibre To The Neighborhood) 11

12 Access Technologies FTTH (Fibre To The Home) 12

13 WiMAX - Worldwide Interoperability for Microwave Access. 13

NGN