Spyman48 Posted September 27, 2016 Share Posted September 27, 2016 Hi Just wondered why in alarm world it always seems to be mainly switched negative no positive Thanks Quote Link to comment Share on other sites More sharing options...
james.wilson Posted September 27, 2016 Share Posted September 27, 2016 Not sure if there is a tech reason just the way it is. But when i strated tamper returns were positive Quote securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment Share on other sites More sharing options...
Rulland Posted September 27, 2016 Share Posted September 27, 2016 40 minutes ago, james.wilson said: But when i strated tamper returns were positive They did that in the early 1900's.... Quote Link to comment Share on other sites More sharing options...
james.wilson Posted September 27, 2016 Share Posted September 27, 2016 ho ho ho Quote securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment Share on other sites More sharing options...
al-yeti Posted September 27, 2016 Share Posted September 27, 2016 Because it normally starts positive and by the end of a tsi thread it's negative , kind of adds up this Quote Link to comment Share on other sites More sharing options...
datadiffusion Posted September 27, 2016 Share Posted September 27, 2016 2 hours ago, james.wilson said: ho ho ho Quote So, I've decided to take my work back underground.... to stop it falling into the wrong hands Link to comment Share on other sites More sharing options...
sixwheeledbeast Posted September 27, 2016 Share Posted September 27, 2016 The outputs are driven by transistors. Quote Link to comment Share on other sites More sharing options...
james.wilson Posted September 27, 2016 Share Posted September 27, 2016 could still be pos drive tho Quote securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment Share on other sites More sharing options...
9651 Posted September 27, 2016 Share Posted September 27, 2016 i was under the impression it was 'kinder' to switch a ov, ie less of a spike so to speak??? Quote Link to comment Share on other sites More sharing options...
james.wilson Posted September 27, 2016 Share Posted September 27, 2016 cant see what dif it would make on that? Quote securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment Share on other sites More sharing options...
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