Structured Cabling 2 Flashcards
Describe the symbol for voice/data
Upside down triangle black and white
Describe the symbol for voice
Upside down triangle all black
Describe the symbol for data
Upside down triangle all white
What are the (5) ways to install structured cables
Velcro straps
Conduits
Cable trays
J hooks
Slotted duct
In conduit what is the maximum length between pull points
100 feet
How many degrees between pull points can you have
Two 90⁰ bends
Must use ____________________ at the ends of conduits
Insulated bushings
Conduits must have what in them?
Pull strings
Conduits can only be up to what % fill
40%
Maximum full of cable trays?
50%
What is the pulling tension on cable
25lbs
Untwist conductors by ______” max for vat 5e
1/2
Untwist the conductors bt____” max for vat 6a
1/4
What does POTS stand for
Plain old telephone system
What block is still in use by major phone companies limited to cat 3 use
66 punch down block
What is the most popular style of punch down block
110 punch down
What block is used if space is an issue
Bix punch down block
What block is used for data and voice and are simple to make changes or perform remote testing
Patch panels
What coax termination is used for lan work g has high performance and low signal leakage
BNC
Newest termination for coax?
New sleeve crimp
What kind of test is tests the cable from Jack to Jack
Permanent link
What kind of test will test the cable all the hardware patch cords and cross connect wiring.
Channel test
What testers are used to check the wire map of a utp
Field testers
What testers is a fancy term for cable radar
Time domain reflectometer
Field testers work on what kind of cables
Twisted pair
Coax
Fibre
What testers sends a signal and measures how long it takes to return to find the distance
Time domain reflectometer
The unplanned transfer of data from one pair to another is
Cross talk
T or F the larger the decibel number the better. Means more signal is getting through
True
