RFoG_2017 Flashcards
EPON
Eternet Passive Optical Network
PON
Passive Optical Network
R-ONU
RFoG-Optical Network Unit
SC/APC
Subscriber Connector/Angled Physical Contact
19 db with light between 0 and -6
RF output of Aurora Network R-ONU
Transmit and receive frequencies for RFoG
1550nm and 1610nm
WDM
Wave Division Multiplexing
R-ONU output
3 db @ 1610 nm
What is the process to activate a fiber drop?
Connect at the R-ONU first followed by the connection at the NAP, when opening, closing or cleaning an optical connector, you should position your eyes at a 90 degree angle to the connector.
What are the 4 components of a RFoG drop?
Toning conductor, protective jacket, strength member, fiber optic strand.
What is the proper procedure for pulling a RFoG drop?
Pull from the vault side, laying the drop in a figure 8 pattern to prevent bends or kinks.
NAP
Network access point, a fiber breakout interface box
Power feed maximum length
50 feet
Each headend fiber contains __ residential fibers
32
What is the drop loss for light levels?
1 db per 3000 feet
What class of Laser is used for FTTP?
Class 1
What is the angle on an APC connector?
8 degrees
What is benefit of APC connector over other connectors?
Reduces back reflection and improves power transfer
What color is APC housing
Green
What color is UPC housing
Blue
80 percent of fttp failures are caused by
Dirty connector interfaces
What is unit of measurement used for optical power?
dBm
What does red LED on aurora ONU indicate?
Power level is less than -10 dBm
