To reduce the chance of an accidental dig-up, plastic warning tape should be placed a MINIMUM of _________ below grade, but high enough above cables to allow detection before cables are damaged.
What is the MINIMUM vertical separation between the top rail of a railroad track and telecommunications facilities placed beneath the track?
When a building is not on the property line, the building owner should provide a MINIMUM of ________ conduits from a point inside the building, to the property line or easement for entrance facilities.
The information technology system (ITS) designer should design conduits entering a building from ceiling height to terminate ________ below the finished ceiling.
What would be the minimum length of casing to cross a single railroad track at 90 degrees?
Premises optical fiber links should be tested:
You are preparing to test newly installed open office cabling. Within the open office cabling, there are multiple consolidation points (CP) that were installed while waiting for furniture. How do you proceed with permanent link testing?
Where backbone cabling exceeds cabling lengths for the same performance or design (for product used in horizontal cabling), there are three fundamental tests which should be considered when testing. They are:
Exhibit:
The diagram below is a typical configuration for:
You have been asked to test and troubleshoot an installed base of cabling that is believed to be causing network problems. You are finding that there are high levels of return loss upon initial testing. What testing will best determine the reasons for these failures?