White Rock Networks has gained RUS acceptance and RUS Buy American Status for its VLX2020 optical products from the Rural Utilities Service (RUS) Technical Standards Committee . The designation enables rural telecommunications service providers to obtain low-interest funds to deploy the VLX2020 for voice, data, and video applications over OC-3, OC-12, OC-48, and OC-192 survivable SONET networks. http://www.whiterocknetworks.com/
White Rock Gains RUS Acceptance for SONET Products
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From the Technology Graveyard
You just read about SONET. Here is what it replaced:
PDH (T1/E1/DS3) served from 1962. What ultimately replaced it?
PDH (T1/E1/DS3) time-division multiplexing that interleaved 24 (T1) or 30 (E1) 64 kbit/s voice channels into a frame, then stacked those into higher rates by bit-stuffing loosely synchronized streams. Its job passed to SONET — but the problem it solved, and the ideas it proved, live on in what replaced it. The standard rests here in the archive. One of 198 technologies here that opened a door and then held it for the next.
On this day
March 31From 25 years of the Converge Digest archive.