The invention of modular jacks is considered to be a significant event in the history of communications connectors. Originally introduced in the 1970’s, modular jacks were first used to facilitate the growing complexity of telephone systems in North America. Prior to the arrival of modular jacks, telephones were typically hardwired to the building network wiring, or made use of much bulkier connectors. (阅读更多)

With the growing technological advancements, security is often at threat. However, there are many modern surveillance techniques, which help us to stay on the safe side. Though video surveillance may seem to be a conventional measure, it has today reached new standards and is still developing to provide next-generation security features.

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