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Sunday, October 12, 2014

Copper Loop Qualifications and Troubleshooting Line Impairments


The following factors are affecting the performance of a copper pair and problems are increasing with the higher frequencies involved in ADSL/VDSL. The below conditions, should be tested when delivering  a new service or during fault diagnosis.
  • Return Loss
  • Insertion Loss
  • Longitudinal Balance
  • Crosstalk
  • Noise
  • Interruptions
  • Split Pairs
  • Gauge Changes
  • Bridge Taps
  • Bad Cable Twisting

Installing TFTP server atftpd in Linux

I need a TFTP server to keep configurations files. I need the server to be simple to setup and be able to send or receive any file without any restrictions. It would be for a lab environment so a strict security is not necessary. I'm using Linux Mint.
In Linux I could find three different TFTP servers: 
Already tried tftpd see my other post Installing TFTP server in Linux. A minor problem is that you cannot transfer a file to the TFTP server.

Installing atftpd
sudo apt-get install atftpd