Mar 10, 2005 22:43
19 yrs ago
1 viewer *
English term

when powered off of

English Tech/Engineering Electronics / Elect Eng
lighting control system

"Power for one [name of interface] counts as two devices toward the maximum of three devices per XXX Control Unit when ***powered off of *** Pin 2 of the MUX Link"

... how is this interface powered?

Responses

+9
4 mins
Selected

when it takes its power from Pin 2 of the MUX link

It's a fairly vernacular but common enough way of expressing it, particularly in the spoken language. Generally, a good start is to replace "off of" with "from" to understand the meaning
Peer comment(s):

agree Alexander Demyanov
13 mins
agree Ken Cox : spot on
19 mins
agree Alaa Zeineldine
28 mins
agree Balaban Cerit
39 mins
agree RHELLER
53 mins
agree Louise Gough
1 hr
agree Tony M : Yes, it's not really good English, but the meaning is quite clear
8 hrs
agree zaphod
9 hrs
agree conejo
17 hrs
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4 KudoZ points awarded for this answer. Comment: "thanks!"
-1
12 mins

powered off by means of Pin 2 ...

This appears to be some type of circuit breaking mechanism that shuts off a Control Unit if the number of operating devices on that unit exceeds three, and where [your interface] counts as two devices when powered on.

"powered off of" is just another way of saying powered off "my means of"/via/through. It takes a newcomer to the US some time to get used to these "off of"s.

Peer comment(s):

disagree Charlie Bavington : no, it's not do do with powering off, confusingly. Simplifying the text - Power for one [device X] counts as two devices... when powered from Pin 2. As you say, the "off of" construction is a tricky one.... :-)
9 mins
Thanks Charlie. You're right, My mind went off of the right track this time.
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