What are the switches on the grey panel of decdatasystem/business cabinets used for?

P Gebhardt p.gebhardt at ymail.com
Sun Apr 19 01:47:33 CDT 2015

Hello list,

while surfing for PDP-11 information yesterday, I came across pictures of a dec data system cabinet
with the vertical grey panels, one of them having three distinct switches.


So far, I couldn't find any hints on the web to figure out what they're used for.
They only seem to exist on those larger business cabinets as far as I could see.

Does anybody of you know about their functions?

Kind regards,


Pierre's collection of classic computers moved to: http://www.digitalheritage.de

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