SL1

From Wikipedia, the free encyclopedia

This article is about the PBX switchboard. For the Saturn SL1, see Saturn S-series
Some information in this article or section has not been verified and may not be reliable.
Please check for inaccuracies, and modify and cite sources as needed.

SL1 was the first practical digital PBX (Public Branch eXchange, or private telephone switchboard), and in many ways, the first practical digital switch. It was developed in the early 1970s at Bell-Northern Research and sold by Northern Electric (later Nortel Networks). SL stands for Stored Logic (by Northern Telecom).

This article related to telecommunications is a stub. You can help Wikipedia by expanding it.
Retrieved from "http://en.wikipedia.org../../../s/l/1/SL1_9625.html"