Telecom and Networking

Fiber optic testing ideas

When working with fiber optics, you need some special tools to check fiber connections. Continuity checking makes certain the fibers are not broken and to trace a path of a fiber from one end to another through many connections. You can use a visible light “fiber optic tracer” or “pocket visual fault locator“. It looks →

Progress on the Symbian

Symbian is the world’s most popular mobile operating system, accounting for 50% of smartphone sales according to Wikipedia. The Symbian Blog posting Progress on the Symbian^3 and Symbian^4 contribution plans tells the quantity and quality of features that the community is planning for Symbian^3 mobile phone operating system. Symbian^3 is nearing Functionally Complete (expected to →

Users want more on mobiles

Survey shows how users want more on mobiles article tells about a survey conducted by ABI Research on behalf of Mirics Semiconductor Ltd. Mirics had paid for the survey because although it was commonly held that consumers wanted more bandwidth and more services to their mobile devices the company had not seen factual evidence to →

Default Password List

Default Password List has saved the day several times when working with different network equipment. When the instructions are missing or the information on default passwords is very well hidden within the documentation, the Default Password List will give you the password information you quickly. →

Passive Ethernet Tap

Construction and Use of a Passive Ethernet Tap article provides straightforward instructions on how to construct and use a passive Ethernet tap. It allows you to monitor Ethernet traffic on with any hub or switch and any operating system. A passive Ethernet tap is useful when installing an intrusion detection system (IDS) sensor or when →

Fading Usenet Newsgroups

Usenet Newsgroups have been great over the past almost twenty years for me. I am finding less and less good posting and always more and more spamming. I fear that we are witnessing the death-rattle of the terminally. The problem is not Usenet newsgroups. Thousands of them are thriving quite nicely today just as they →

Computers at the International Space Station

The International Space Station (ISS) isn’t just an orbiting laboratory, spaceship testing-ground and multinational geek-fest — it’s also the world’s highest (250 miles) and fastest (17,500mph) computer network. Tracking and Data Relay Satellites (TDRS) allow constant radio communications in the S- and Ku-band, while UHF signals are used to talk with the Space Shuttle and →