Network Architecture/Design

Question 1

When light meets a splitter, what happens to the bandwidth?

Answer 1

Nothing, the bandwidth stays the same, but the power splits in half.

Question 2

FTTH PON

Answer 2

-Type of network architecture where the fiber runsto different houses using an OLT optical splitters and a ONT/ONU.

Question 3

DSL

Answer 3

-Digital subscriber line, which refers to the copper telephone lines that deliver internet to homes.

Question 4

Loss budget

Answer 4

-The maximum amount of loss that a fiber can handle before the system cannot communicate properly.

Question 5

Bit error rate

Answer 5

The number of bit errors over the total bits transmitted.

Question 6

Finding loss budget

Answer 6

Transmitter output - minimum reciever input = loss budget

Question 7

Types of PON

Answer 7

-BPON (ITU-T G.983)
-GPON (ITU-T G.984)
-EPON(IEEE-802.3ah)

Question 8

OLT

Answer 8

-Optical line terminal.
-The central hub for fiber communication that connects out into the infrastructure.

Question 9

ONT

Answer 9

-Optical network terminal.
-A device that receives optical signals at a home and turns the signals into electrical signals or feeds them to the home.

Question 10

FDH

Answer 10

-A container that houses splitters for an optical network
-Fiber Distribution Hub