Welcome to the ZyXEL Networking Glossary - your definitive source for descriptions of networking terms and ZyXEL's product features.
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Telco-50 cable connector
A Telco-50 cable connector possesses 50 pins arranged in 25 vertical pairs, and is generally used for aggregating telephone subscriber lines (in a DSLAM, for example). Also known as an Amphenol, RJ-21 or Telecom connector.