Could Radiation From 120v Line Have Penetrated Cat 5
Aug 7, 2011
I am installing an LED digital sign. The sign is 200 feet away from the controlling computer which has a sending card. The sign has a recieving card inside. Probably not a bright idea at this long distance, but I ran the cat 5 along with the 12/2 power line to the sign. When firing up the sign, the recieving card in the sign is not getting data. I tried it again with another cat5 seperated by ten feet or more from the power line, and still no communication. My question is, could the radiation from the 120v line have penetrated the cat 5 and basically fried the receiving card?
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Jun 24, 2011
a friend of mine who is an electrical engineer said that the level of radiation from a powerline extender(such as Netgear produce) is much greater than from a wireless network, as it has to 'overcome' the radiation of the house electrical circuit. As my daughter is chronically sick, we are very concerned to arrive at a solution which results in the lowest level of radiation possible.
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Jan 28, 2009
I tried to find the radiation pattern for the 1140 AP, but no luck so far. Where to find it?
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Apr 18, 2012
I need a legible radiation pattern graph for the 1140 AP -- the antenna pattern. This is for a wireless deployment application which models signal strength. It needs to be specific for the 1140 AP as the antenna has a Maximum gain of 3 dBi which is different than the antenna gain on the 1130 AP.
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Aug 22, 2011
1. Cisco Aironet 1040, 1140, 3500i Series Integrated Antennas Diagrams show Azimuth Plane Radiation Patterns and Elevation Plane Radiation Patterns when AP is mounted vertically on the wall (red LED above Cisco logo). So "Zero" on Azimuth Plane points to direction rectangular to AP's case plane (mounting wall plane), "Zero" on Elevation Plane points to ceiling and "180 degrees" points to floor?
2. Radio waves polarization in this case would be linear, in direction from ceiling to floor?
3. If AP would be mounted horizontally on the ceiling, then polarization would be in direction parallel to floor axis X and rectangular to floor axis Y? So induced signal on notebook integrated antenna, oriented rectangular to floor axis X, would be near zero?
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Oct 24, 2010
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Oct 10, 2012
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Mar 27, 2012
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Oct 4, 2012
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Jun 3, 2012
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Mar 16, 2011
We have a barn that is quite a difference from the house and would like to add a router out there also, since all our animal sales are done from that point. We just have one phone line for the house and for the barn.
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Jul 10, 2011
this occurs when I am checking my email,and it blocks me what can I do?
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Apr 22, 2013
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Sep 13, 2011
omputer A connects to modum A thru phone line that needs to stay active for a system to operate. Computer B connects to modem B always using the same phone line a few times a month, what device will alow each computer to know and go to its modem, dialing in on one phone line for two modems, and resting in primary state for system A to operate as a Dialer.
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Dec 26, 2012
So i have the virgin 100Mbps package but am only getting about 30 Mbps of this on my computer. I know that we are getting the full speed, as that i have downstairs (directly connected to router) is able to get 100Mbps.The computer that is only getting 30 Mbps is connected to the router (Virgin superhup) through the use of powerline adapters to give me a wired conenction from my room down to the router as we are unable to find a cable long enough to procide a direct connection (without drilling holes through our house and having it hang places)[CODE]
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Jul 31, 2012
I just got those TrendNet 500Mbps powerline adapters. Testing with CrystalDiskMark on a laptop to a remote SSD drive I get the following results. Notice that those are megabytes. [code]
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Dec 28, 2011
We have multiple computers (most Win7), game console, iPad,iPod etc on our network, networking was really never a problem.We switched a few weeks ago to mobile Internet, which uses the Netgear MBR1210 modem/router as network access point for all devices. All network users, except two or three, are wireless. Prior to getting the mobile Internet we were on Satellite ISP and used the Linksys 3200 router as access point/network router for our home network (behind the ISP modem).The Netgear modem/router is too far away from my work area in the home, things like my printer, a desktop tower need to be plugged into a router because they are not wireless. The plan is to have the netgear router set up just as a modem/server, turn the wireless off on it, pull one network cable to my Linksys 3200 and use the Linksys as network access point for all devices. Which settings do I have to have on each router to do this? Where do I plug the network cable in between the routers? Do I go from a Lan port on the Netgear to the Wan port on the Linksys?
Which IP settings do I specify? How do I turn the automatic configuration of the Linksys off? Needless to say, I'm a bit lost here. I had contacted a Netgear forum prior, they gave me a little picture on how everything should be hooked up and the settings, but the Linksys router just did not want to work with these settings at all. Secondly, because of all this screwing around with the settings of the Linksys.I uninstalled the cisco connect program for the linksys and removed the original network we had with the linksys. Now the program refuses to install again, cisco connect that is.
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Feb 20, 2011
I'm running web server on Linux Redhat when i run
# /etc/init.d/tomcat status
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warning, got duplicate tcp line
warning, got duplicate tcp line
warning, got duplicate tcp line
Tomcat running in normal mode Also , I can see that Tomcat unstability makes some strange behaviour in the system overall.
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Apr 14, 2011
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Dec 3, 2012
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1. Can I connect a second router into the phone/DSL line in the basement then hook up the gaming computer to the second router and get internet access like I have in the home office?
2. If I ran an ethernet cable from the home office router to a second router in the basement, would the long length of the ethernet cable adversely affect the connection speed (bit rate) of the second router? (would I get slower internet access in the basement?)
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Feb 2, 2013
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Mar 21, 2012
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Sep 21, 2012
how can i fetch (feed) the internet from Network2 to Network1? so that the wired pc can access ADSL#2
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May 5, 2011
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May 25, 2011
We are having issues transferring a 200GB VHD file across our point to point without being corrupted in the process. Any good application for testing the line quality across the point to point?Preferably we want something free, but if there is an in depth tool that costs money, we are open to that option as well.
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Apr 11, 2011
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Mar 20, 2011
I want to put a laptop in the barn, with a web cam. I have a phone line (with spare wires) running to the barn and I want to connect my house laptop to the one in the barn.How do I do this?
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Jan 26, 2013
I was working on a problem the other day and came across something that I had seen before but never given much thought. I had a router with a switch connected to it and the interface was showing as Ethernet0 is up, line protocol is down. The problem in the end turned out to be a cable that had fell out because it was not connected correctly, but I was able to replicate this interface status on a router (FastEthernet0/0 is up, line protocol is down), and NO cable was attached to the interface.I've had a look on the internet but cant seem to find a good answer, so does anybody else know why this status is shown on the router? Remember, NO cable is connected to the interface so it isn't a speed or duplex problem
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Dec 28, 2011
I got following IP address from BSNL to configure Internet leased line.OFC cable was terminated at our premises. it has to connect Ethernet port.Say eg.Wan IP : 192.168.1.6 255.255.255.252Public address pool : 172.168.10.6 to 12if i configure one address on Ethernet port1 as nat outside 192.168.1.6 255.255.255.252.the ip address given for wan & pool are different.Then how can i configure pool and how to configure nat inside eg 185.168.10.1 to 255the above ip are not actual ips just given for example.
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Jan 27, 2011
I have D-link 2640U ADSL2+ modem. Now I have 12Mbps / 1Mbps internet connection. I am planning to move to 24Mbps /1Mbps intenet connection and I want to know if this modem is enough. What is the best modem so I get the full 24Mbps[CODE]
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