Premises Cabling UTP Termination Flashcards
When terminating Cat 5e/6, what must be remembered to maintain the performance of the installed cable?
A. Keep the pairs twisted to within 1/2 inch of the termination
B. Do not strip insulation off the wires
C. The jacket of the cable must not be stripped back more than 3 inches
D. The punchdown tool must cut off the wires close to the end
A. Keep the pairs twisted to within 1/2 inch of the termination
Why are punchdown blocks used with Cat 3 and Cat 5 cabling?
A. Terminate cables from equipment
B. Interconnect cables in a telecom closet
C. Change from T568A to T568B terminations
D. Meet EIA/TIA 568 Standards
B. Interconnect cables in a telecom closet
Which punchdown block is more often used with data (Cat 5e/6)? A. Bix block B. Krone block C. 110 block D. 66 block
C. 110 block
Which punchdown block is more often used with POTS telephone connections? A. Bix block B. Krone block C. 110 block D. 66 block
D. 66 block
What actually makes the electrical connection with the wires in a 110 block?
A. Punchdown tool with 110 blade
B. Insulation displacement connectors in the connecting block
C. The base of the block
D. A second cable
B. Insulation displacement connectors in the connecting block
What kinds of connection to the cable does a UTP jack typically have? A. 66 punchdown B. 110 punchdown C. Snap-in contacts D. Solder connections
B. 110 punchdown
Does a jack have the same color code for the pairs as a punchdown block?
A. No
B. Yes
C. Depends on the type and manufacturer of the jack
D. Depends on whether it is T568A, T568B or USOC
A. No
66 punchdown blocks have 4 contacts across a row. Why?
A. Allow connecting up to 4 cables on a single block
B. Allows connecting cables on opposite sides with bridging clips or wires
C. Leaves more room for placing wires
D. To fit all types of cable
B. Allows connecting cables on opposite sides with bridging clips or wires
What color code order are wires punched down on a 66 block?
A. Depends on whether its T568A, T568B or USOC
B. Just like a 110 block, BLOG (blue, orange, green, brown)
C. Doesn’t matter what order
D. Same as a Cat 3 jack
B. Just like a 110 block, BLOG (blue, orange, green, brown)
The Cat 3 jack is the same as a Cat 5e/6 jack except _________.
A. There are no internal twists to enhance performance
B. The punchdowns fit bigger wires
C. It only connects to RJ-45 plugs
D. It is keyed to snap into outlets upside down
A. There are no internal twists to enhance performance
What is a RJ-45 connector?
A. The connector used only with Cat 5e/6 jacks
B. A special high frequency connector
C. A modular 8 pin connector with USOC pinout
D. A trade name
C. A modular 8 pin connector with USOC pinout
Below is the color code for _________________.
(Colors from left: 1-8: Blue stripe, Blue, Orange Stripe, Orange, Green Stripe, Green, Brown Stripe, Brown)
A. TIA 568A Jack
B. TIA 568B Jack
C. Punchdown blocks
C. Punchdown blocks
How much untwist is allowed on Cat 5/5e/6 pairs at a punchdown block to maintain specified performance? A. 1/4 inch (6 mm) B. 1/2 inch (13 mm) C. 1 inch (25 mm) D. 2 inches (50 mm)
B. 1/2 inch (13 mm)
The difference between the termination schemes of T568A and T568B is ______?
A. Keying on plugs and jacks
B. Reversal of tip and ring
C. Reversal of pairs 2 and 3
D. Determined by the speed of the network
C. Reversal of pairs 2 and 3
A crimp-on connector like the Cat 5e/Cat 6 connector is also called a \_\_\_\_\_\_\_\_ connector. A. Solderless B. Insulation-displacement C. USOC D. Clipper
B. Insulation-displacement
