Cabling Standards Flashcards

What is the minimum bend radius for a Category 6 UTP horizontal cable during installation (not under tension)?

Answer: 8 times the cable diameter

TIA-568-C.2 requires a minimum bend radius of 4 times the cable diameter under tension and 8 times at rest for Cat 6 UTP.

Which standard provides guidance on installing structured cabling in industrial environments subject to harsh conditions?

Answer: TIA-1005-A

ANSI/TIA-1005-A is the Telecommunications Infrastructure Standard for Industrial Premises, addressing harsh electrical and environmental conditions.

How does TIA-568 define the 'permanent link' in a copper cabling system?

Answer: The channel excluding equipment cords at both ends

The permanent link includes the installed horizontal cable and connecting hardware but excludes the patch/equipment cords at each end.

What is the maximum pulling tension allowed for 4-pair UTP horizontal cable during installation per TIA-568?

Answer: 25 lbs (11 kg)

TIA-568 limits pulling tension for 4-pair UTP horizontal cable to 25 lbs (110 N) to prevent damage to the cable geometry and electrical performance.

Which performance parameter measures the difference in signal propagation delay between the fastest and slowest pairs in a UTP cable?

Answer: Propagation delay skew

Propagation delay skew measures the timing difference between the fastest and slowest pairs, critical for applications using all four pairs simultaneously.

Under TIA-568, what is the maximum number of consolidation points (CPs) permitted in a single horizontal cable run?

Answer: One

TIA-568 recognizes a maximum of one consolidation point per horizontal cable run, used in open-office furniture cabling scenarios.

Which IEEE standard defines the 10GBASE-T specification that drove the development of Category 6A cabling?

Answer: IEEE 802.3an

IEEE 802.3an defines 10GBASE-T, the 10-Gigabit Ethernet over twisted-pair copper standard that requires Category 6A or better cabling.