Average Reviews:
(More customer reviews)This device allows you to COMBINE 2 ethernet ports from a switch/hub/router into 1 cable and to SPLIT the cable back out to 2 ports for use with computers or other ethernet devices.
A typical ethernet CAT5 cable has 8 wires in it; and for 10/100 ethernet networks you only use 4 of those 8 wires. Therefore you can use the other unused 4 wires to run another ethernet segment.
In order to use this product properly you have to connect 2 ports from your switch/hub/router. Then a regular CAT5 ethernet cable to wherever you need to go and put ANOTHER one of these on the end to split the signal back out.
Typical use:
PROBLEM: You have 1 ethernet cable connecting to a computer (for example) and you need to add another computer or other device. You do not want to run another ethernet cable.
SOLUTION: Install one of these on both sides of the ethernet cable. 1) At the source of your ethernet network (where your router/switch/hub is); remove the existing ethernet cable; then take two empty ports and plug them into the 2 ports side of this device. Then plug the ethernet cable that you just unplugged into the single port side of this device. 2) At the end where the computer is, remove the ethernet cable from the computer; and plug it into the single port side of this device. Then connect your computer and the additional device to the two port side of this device.
(It does not matter which port of this device you plug your computer/additional device into).
In closing ... You MUST combine 2 ethernet ports from your switch to make this work. I see reviews all the time from people who do not know how this works and they give bad reviews because it won't work for them.
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RJ45 1x2 Ethernet Connector Splitter, Light Beige
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