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Making Network Connections

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When planning a network installation, it is essential to label the opposing ends of 
cables and to record where each cable is connected. Doing so will enable you to 
easily locate inter-connected devices, isolate faults and change your topology 
without need for unnecessary time consumption.

To best manage the physical implementations of your network, follow these 
guidelines:

• Clearly label the opposing ends of each cable.
• Using your building’s floor plans, draw a map of the location of all 

network-connected equipment. For each piece of equipment, identify the devices 
to which it is connected.

• Note the length of each cable and the maximum cable length supported by the 

switch ports.

• For ease of understanding, use a location-based key when assigning prefixes to 

your cable labeling.

• Use sequential numbers for cables that originate from the same equipment.
• Differentiate between racks by naming accordingly.
• Label each separate piece of equipment.
• Display a copy of your equipment map, including keys to all abbreviations at each 

equipment rack.

100BASE-TX Category 5 or better 100-ohm UTP or STP 100 m (328 ft)

RJ-45

Twisted Pair, Categories 3, 4, 5 or better 

100-ohm UTP

100 m (328 ft)

RJ-45