Every day some fiber optic network goes down. Sometimes it’s equipment failure and sometimes it’s construction damage, which we call “backhoe fade.” How well do you know how to find and fix network outages?
Created by: Jim Hayes
1. The most important thing to facilitate quick restoration of a fiber optic network outage is ______.
A. Network documentation
B. Trained technicians
D. Tools and test equipment
2. If a network outage occurs, the first thing to check is ______.
A. Construction along the cable plant route
B. Dirt on connectors
C. System power at all locations
D. Cable plant splices
3. The next thing to check is whether anyone is currently doing work on or around your network.
4. The quickest way to get a network with a cable plant problem back online is ______.
A. Splice in a new cable section
B. Use mechanical splices
C. Switch to a backup link or cable
D. Run a temporary cable on the surface
5. To help prevent cable dig-ups, underground cable plants should be buried ______ if the conditions at the location do not prevent it.
A. 30 cm or 12 inches deep
B. 1 m or 3.3 feet deep
C. Below other utilities in the area
D. Under a foot of concrete
6. Buried fiber optic cables should ______ to make cable location easier and more obvious to anyone digging nearby.
A. Be marked by an above-ground marker and signs
B. Have marker tape buried above the cable in the trench
C. Have good and readily available GIS data on the location of the cable
D. All of the above
7. Leftover components after a cable plant install should be saved in a kit for restoration.
8. Microtrenching cables is convenient but may leave cables more vulnerable since these cables are usually installed only ______ below the surface.
A. 50–150 mm or 2–6 inches
B. 200–300 mm or 8–12 inches
C. 500 mm or 20 inches
D. 1 m or 3.3 feet
9. If a cable plant is the source of the problem, the fiber optic instrument that can help locate the problem is the ______.
A. Optical time-domain reflectometer
B. Optical loss test set
C. Visual fault locator
D. Power meter
10. If it is not possible to pull excess cable to a repair location, e.g., from local service loops in manholes, you may have to ______.
A. Install a new cable
B. Switch to a spare cable
C. Splice in a new section of cable using two splice locations
D. Pull the cable beyond its tension limits