At my long-term parking location I need to run a 300 foot Ethernet cable for my internet connection. I will be using Cat6 unshielded full copper underground cable. Question.1. Since only 1/2 of the wires (4 of the 8) are used, would I gain any advantage by parallel connecting the unused wired with the used one? For example the Green and Orange as one and the blue and brown as the second. The thought is that this would cut the resistance (drop) in half.2. I am going to be using underground (non gel) cable - I could not find gel filled Cat6 cable. Is there any advantage in putting it in 1/2 plastic conduit?

As you probably know, there is a specific twist to CAT6 cable to keep out external interfearence as well as crosstalk. Since at 300' you are already at the pushing the best engineering practices length without a repeater, Its possible that you 'might' make the situation worse by grabbing the wrong parallel pairs. If lucky, you might fix the attenuation, but now you start running into packet collisions again possibly made worse by playing with the twist. If this were me I think I would invest in a couple of 5.8GHz microwave units if you have line of sight . Also, if the router has WiFi built-in, certinally the cheaper route is to look at external gain antennas at the coach to see if you can pick it up direct.

I solved that problem here by using a WIRELESS WIFI Modem/Router setup...My ROUTER here covers my whole house and back yard area rather well... All of this wireless WIFI item can be secured as far as keeping others from using it...CAT5 -CAT6 cables unlike RG cables can be run for very long distances without much degrading of the signals.

RoyB wrote:---snip---CAT5 -CAT6 cables unlike RG cables can be run for very long distances without much degrading of the signals.Not true.. And its actually worseGoogle ''max length of Ethernet cable".While coax loses signal the longer the run, so does ethernet. And when it hits its theroetical limit, collisions take over and nothing works.

cat 6 at 300 feet will be faster then anything he can do wirelessly(cost effective), also gigabit uses all 4 pairs.if you have animals, put it in conduit. the electrical under my deck was eaten twice when the last guy owned the house. everything went in this time in EMT.if you bury deep enough you will be fine, i have some electrical 3 feet down that is not protect and is original to the house 72'good luck

As mentioned previously you're stretching the limits of the CAT6 cable (328') and doubling up the conductors most likely make matters worse. CAT6 cable has a different twist rate between the pairs and shielding between them to minimize the interference and increase the data rate. Doubling up will definitely defeat the design of the cable. With the expense of the cable and labor to bury it, a wireless connection is obviously the way to go. There are many, many options available for this specific purpose that provide adequate security. Also, this is for his Internet connection. In this instance speed is not an issue. You won't get gigabit Internet speeds. Most likely 100Mbps at best.

300 feet of Underground Cat6 ??? | Good Sam Community

SCVJeff
Explorer
Apr 08, 2015
RoyB wrote:
---snip---
CAT5 -CAT6 cables unlike RG cables can be run for very long distances without much degrading of the signals.
Not true.. And its actually worse
Google ''max length of Ethernet cable".
While coax loses signal the longer the run, so does ethernet. And when it hits its theroetical limit, collisions take over and nothing works.
RoyB
Explorer II
Apr 08, 2015
I solved that problem here by using a WIRELESS WIFI Modem/Router setup...

My ROUTER here covers my whole house and back yard area rather well...

All of this wireless WIFI item can be secured as far as keeping others from using it...

CAT5 -CAT6 cables unlike RG cables can be run for very long distances without much degrading of the signals.
SCVJeff
Explorer
Apr 08, 2015
As you probably know, there is a specific twist to CAT6 cable to keep out external interfearence as well as crosstalk. Since at 300' you are already at the pushing the best engineering practices length without a repeater, Its possible that you 'might' make the situation worse by grabbing the wrong parallel pairs. If lucky, you might fix the attenuation, but now you start running into packet collisions again possibly made worse by playing with the twist.

If this were me I think I would invest in a couple of 5.8GHz microwave units if you have line of sight . Also, if the router has WiFi built-in, certinally the cheaper route is to look at external gain antennas at the coach to see if you can pick it up direct.

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300 feet of Underground Cat6 ???

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