reverse polarity

Term : reverse polarity

What is 'reverse polarity'? What does 'reverse polarity' mean?

Definition

Reversing the polarity of the phone line when a call is received, as with an NTT analog phone line. The communications device uses this signal to determine when there is a call.

Applicable Categories

Field Networks

Back to Page of R - Glossary

Local Navigation

Glossary of Industrial Automation

Quick links to OMRON IA in your country.

Europe
- Austria
- Belgium
- Czech Republic
- Denmark
- Finland
- France
- Germany
- Hungary
- Italy
- Latvia
- Lithuania
- Netherlands
- Norway
- Poland
- Portugal
- Russia
- Spain
- Sweden
- Switzerland
- Turkey
- United Kingdom

Middle East

Please contact Europe headquarters.
Africa
- South Africa

Greater China
- China
- Taiwan
Asia-Pacific
- Australia
- India
- Indonesia
- Malaysia
- New Zealand
- Philippines
- Singapore
- Thailand
- Vietnam

Japan / Korea
- Japan
- Korea
Americas

Top of page