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DESCRIPTION of Cat5e FTP CU Ethernet Cable
- Cat5e Bare Copper Data Cable With Overall Aluminium Foil Screen
- Supplied in Dispensing Box
- Cable Marked at 1 Metre Intervals
- Conductor: Solid Bare Copper
- Dimensions
- Outer Cable Diameter: 5.44mm
- Inner Cable (Incl. Foil) Diameter: 3.85mm
- Outer Core Cable Diameter: 0.85mm (Inner 0.47mm)
- Drain Wire: 0.45mm (CCA)
- Jacket Colour: Grey
- Insulation: HDPE
- Impedance (1 to 100MHz): 100±15 ohms
- Capacitance 1kHz: 56pF/km
- Conductor DC Resistance @ 20°C: 94 ohms/km
- Impedance: 100 ohms
- Return Loss: 20dB (1-100MHz)
- Length: 200m
- Connector type:
- RJ45 8 Pin Connector
- Need to use an RJ45 Crimping Tool
USES of CAT5 Cable
Used in conjunction RJ45 connectors & a crimping tool for:
- building Local Area Networks (LANs) for connecting computers, printers etc into a network
- connecting the ethernet port on a satellite receiver to the internet
- connecting IP security cameras back to a router
Note see 'Wiring Video' tab for detailed guide
NOTES ON Cable & Connectros
- The RJ stands for 'Registered Jack'
- The RJ11 comes with 4 pin slots
- Only the 2 middle pins are needed
- It is used for dial up internet or voice but not broadband.
- it is used with telephone cables
- If the RJ connector has copper pins in all 4 slots
- it is actually an RJ14 but can be used as if it was an RJ11
- The other commonly used RJ plug is the RJ45
- it is used with LAN networks, ethernet ports etc
- it has 8 pins
- It is used with CAT5 Cable
Below is documented the correct wiring format for a CAT5 Cable and detailed instruction for making a CAT5 Cable.
WIRING DIAGRAMS FOR A CAT5 CABLE
Notes
The diagram above is called a CAT5 Type B wiring method which is the one that is almost exclusively used in industry.
TO MAKE A CAT5 CABLE
Equipment needed
- Roll of CAT5 Cable
- RJ45 CRIMPING Tool
- RJ45 Connectors * 2
Steps
- Using a crimping tool remove the outer protective sleeve leaving around 25mm of cable exposed
- Next untwist each of the pairs of cables
- Line up the wires in accordance with the wiring diagram above
- Again using the crimping tool cut the cable leaving about 12-15mm of cable exposed.
- Push the cables into the RJ45 Plug
- Use the crimping tool to crimp the RJ45 Connector on the the cable
- Cut the CAT5 cable to the required lenght
- Repeat the process to put a connector on the far end
NOTES ON CAT5 WIRING
1. 568-A wring
There is an alternate wiring convention for CAT5 cables called 568-A. See diagram below:
The most common use of this convention would be use a Type A & and a Type B connector to make a cross over cable.
2. Types of CAT5 Cable
- The most commonly used cat5 cable is UTP (Unshielded Twisted Pair) cable. This is suitable for homes and offices
- A more expensive option is to use FTP (Foil shielded Twisted Pair) cable
- Which gives greater interference protection when running next to power cables
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