Long LINKs

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1 total messages Started by "G.Dawes" Tue, 14 Aug 1990 16:37

#902

Author: "G.Dawes"
Date: Tue, 14 Aug 1990 16:37

15 lines
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Does anyone have any practical experience of communicating with links over
long distances (e.g. 50m to 1000m) at 5Mb or 10Mb ?. My main constraints
are power consumption and weight.
I've read the 'Applications Notebook - Systems and Performance' section on 
connecting links by buffering, RS422 and optical fibre, though some values 
are quoted as conservative. 
 - Has anyone tried pushing these to the limit ?.
 - What driver/receiver devices were used ?.
 - Any improvements with RS485 over RS422 ?.
 - Has anyone tried bi-directional fibre optics (using a single fibre) ?.
 - Any comments ?.

Graham Dawes
Geophysics Department
Edinburgh University

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