Chapter 5 Installing a Physical Network Flashcards
What does a patch panel do
Terminates one end of horizontal runs
What does a patch cable do
Connects switches to patch panels and computers to wall outlets
When should you only use RJ-45 crimps
Only on patch cables
What is a U
A standardized height for racks
What does the demarc do
separates the telecom company’s property from your responsibility
What are the standardized length and height for rack-mounted equipment
19 inches wide and multiples of 1 3/4 tall called a U or unit
What is the name of the primary equipment room
main distribution frame (MDF)
What is a 66 punch down block
A very old patch panel, typically used in non- VOIP telephone systems
What is a 110-punchdown block patch panel
A way to distribute copper wired networks
What is a fiber distribution patch panel
used to distribute fiber-optic networks
What does a time domain reflector do
Checks for breaks in patch panels and runs
What is another name for the telecommunications room
the intermediate distribution frame (IDF)
What do you call a device that fits into a U
1U
What is a patch cable
short straight-through UTP cables
What is a patch bay
A dedicated block with A/V connections rather than twisted pair and fiber network connections
Where can you find the Demarc at
At the service-related entry point for a network
What is a network interface unit
The equipment supplied by your ISP
What is a drop
A single run of cable from the telecomms room to a wall outlet or a new run coming through a wall outlet that doesnt yet have a jack installed
What is attenuation
When a signal progresses down a piece of wire it becomes steadily weaker
What is dispersion
When a signal spreads out over long distances
When a PC cant access a network and is acting disconnected what is the first thing you look at
The Link Lights
