Podcast
Questions and Answers
What is the purpose of a crossover cable in Ethernet connections?
What is the purpose of a crossover cable in Ethernet connections?
A crossover cable is used to connect two Ethernet devices without a hub or for connecting two hubs.
Explain the significance of the odd and even numbered pins in an RJ-45 connector.
Explain the significance of the odd and even numbered pins in an RJ-45 connector.
Odd numbered pins are always striped, even numbered pins are always solid colored.
Why are the wires in pins 4, 5, 7, and 8 not used in 100BASE-TX Ethernet standard?
Why are the wires in pins 4, 5, 7, and 8 not used in 100BASE-TX Ethernet standard?
These wires are not required for 100BASE-TX, but are included for ease of making connections with all wires grouped together.
Describe the optimal cable preparation technique to avoid crosstalk in Ethernet cables.
Describe the optimal cable preparation technique to avoid crosstalk in Ethernet cables.
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What is the significance of the Brown wire pair in an RJ-45 connector when looking at it with the clip facing away?
What is the significance of the Brown wire pair in an RJ-45 connector when looking at it with the clip facing away?
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What are the 5 initial considerations and planning steps that need to be addressed when wiring a room with Cat5e or Cat6 Ethernet cable?
What are the 5 initial considerations and planning steps that need to be addressed when wiring a room with Cat5e or Cat6 Ethernet cable?
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What is the recommended maximum length of untwisted wire between the end of the cable jacket and the channels on the RJ-45 jack?
What is the recommended maximum length of untwisted wire between the end of the cable jacket and the channels on the RJ-45 jack?
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Which tool is used to push the conductors into the channels of the RJ-45 jack?
Which tool is used to push the conductors into the channels of the RJ-45 jack?
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What is the purpose of tilting the handle of the punch tool a little to the outside when punching down the data jack?
What is the purpose of tilting the handle of the punch tool a little to the outside when punching down the data jack?
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What is the recommended procedure for removing any wire that remains attached after using the punch tool?
What is the recommended procedure for removing any wire that remains attached after using the punch tool?
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Study Notes
Ethernet Cable Types
- A crossover cable has different ends for connecting two Ethernet devices without a hub or for connecting two hubs.
- A straight-thru cable is used as a patch cord in Ethernet connections.
Crossover Cable Characteristics
- A crossover cable has one end with the Orange set of wires switched with the Green set.
- Odd numbered pins are always striped, even numbered pins are always solid colored.
Cable Orientation
- Looking at the RJ-45 with the clip facing away from you, Brown is always on the right, and pin 1 is on the left.
Cable Handling
- No more than 1/2″ of the Ethernet cable should be untwisted otherwise it will be susceptible to crosstalk.
- Do not deform, do not bend, do not stretch, do not staple, do not run parallel with power cables, and do not run Ethernet cables near noise inducing components.
Cable Wiring
- In a T-568A UTP Ethernet straight-thru cable and an Ethernet crossover cable with a T-568B end, the TX (transmitter) pins are connected to the corresponding RX (receiver) pins, plus to plus and minus to minus.
Unused Pins
- Pins 4, 5, 7, and 8 are not used in 100BASE-TX and in both the T-568A and T-568B standards.
Home Networking
- Having a wired network at home allows for a private, high-speed network for internet access, file sharing, media streaming, online gaming, IP security cameras, and more.
Wiring a Room with Cat5e or Cat6 Ethernet Cable
Step 1: Initial Considerations and Planning
- Determine which rooms to wire, the number of ports needed, a good location for distribution, the cable path, and the required network speed.
Step 2: Required Tools, Equipments and Materials
- Tools: Crimping Tool, Electric Hand Drill, Wire Stripper
- Equipments: Patch panel, Network Switch/Hub, Wireless Router, Wireless Access point, Managed Switch
- Materials: Cat5e or Cat6 UTP, Cat5e or Cat6 UTP Cable Crimp (Straight-through & Crossover), Raceways, Modular Box, Label maker (optional)
Step 3: Measure and Run the Cables
- Measure the cable length and run the cables according to plan.
Step 4: Connect the Wires to the Patch Panel
- Strip the sheath 2.54 cm (1 inch) from the end of the cable.
- Position wires in the proper channels on the RJ-45 jack, maintaining the twists as close to the jack as possible.
- Punch down the data jack using a punch tool, and attach the clips on the jack.
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Description
Learn how to set up a wired network at home for faster and more secure internet connection, file sharing, media streaming, gaming, security cameras, and more. Follow step-by-step instructions from initial planning to completing the wiring process.
