Inputs/Outputs Tutorial

Author: Brian Rhodes, Published on Jul 25, 2012

While may cameras have Input/Output (I/O) ports, few are actually used and most designers do not even consider them. However, a good understanding of their flexibility can save hundreds of dollars on complex designs. In this note, we explain camera I/O and how it can be used to expand camera function.

Ways to Use I/0

**** *** **** ******** ** *** *** *** *** */* to ******* **** ************:

  • *** **** / *** ***** ******: ******* ** ****** * ******* *** * ********* ***-***** camera, * ******* ****** **** ****** *** ***** *********** *** I/O ***** *** ** **** *******. ** *** ****** ** paired **** * ***** ***, *** ********** ****** *** ****** out ******* *******, *** *********** ** **** ****** *** ****** the ****** ****** ***********.
  • ****** *********: ***, **'******* ********' ****** ************ ** **** ** ******** *** '****** *********' *********** ** a ****** ** *** ** **** *****.
  • ***** *********: ***** **** ********, ***** * ****** **** * **** is ******, ********** ********* ** ****** ************** *** ***. **** can ** **** **** **** ********* ** **** *** ******* entrances.
  • ******* ** ******* *******: ****** **** ******* *** ***** * ******. *** *******, when***** ** ******* ** **** *********, '**** *******' ******** ********.
  • ******: *** *******, ** * ****** ******* ******, ** *** send * ******* **** ***** ** * **** ** ******** activity
  • ******* / ******: * ****** *** ** **** ** **** ** ********** lights ** ** **** ** ****** ******** ** ** ******* illumination
  • ******: **** *** *** ** ******, *** ********** ****** *** be ********* ** * ******. ****** ******* **** **** ******** or ******* **** *** ** ******** ******* */* ****** **** the *********** ***** ** ****.
  • ********* ***** ******: ** **** *****, ******* ******** **** ***** *** ** configured ** *** ******* ** '******* *******'. *** *******, ************ cameras *** ******* ********* ***** ******* ** *** **** *** that ***** ******* *** ****.

Basics ** */*

********* */* ***** *** ****** ******** ****** *********** ******* ** the ******** ** ****** **** ** *******. *** ***** ***** shows *** */* ***** ******** ****** ** *******:

********: ******* ********* */* ******* * ********* **** ** ***** terminal ***** ***** ****** ****** ***** *** ********* ******** ** the ****. *** **** *** ********, ****** ** ***** *** usually ** ****** ** * ** * *****. *** ****** sequence ** *********** ********* ** *** **** *** *******. *** this******* ****** ************** *** **** *********** ** ******** ********* ** *** ****** manual. *** ***** *** ******** ** **** ******* ***** ****** models, ** ******** *** ****** ** ***** ** ********** *** to **** *******.

********: ********** ********* *** ******* ****** *** ******'* **** ********* where **** *** ****** ** ********** '********'. ***** ******** ****** alert *** ****** ** ****** ** ******** ******* ****** ******* closure. *** *** */* ******** *** ********* **** ******* ******* camera *************.

******

******** '*****' ** '******' ******** **** ****** * *****, ********* 5-24 ***. *** ***** ***** ********* ** *** ****** **** vary, *** ****** ** ********* ** *** ********* ******. **** low ******* ********* ***** ******* *** ***** ******** *** ********** inputs, *** *** ******** ******** ** ******. ***** ******* *********** with *** ****** *** ********** ******* '********', ******* *** ******* condition *******, ********* *** ****** ** *******.

***** ********:*** **** ***** ** ******** ** ****** ***** *******:

*** ***** ***** ***** *** */* ******* *** ******** ***** into ************ *******. *** ****** *********** ** *** '*****' ** 'output' ******** ******* ** *** ******** ******. *******, ****** **** of ********** ** ******** ***** **** *** ******** ******** *** same ***:

*******

****** *** ***-******* ** *******, ******** * ** ** ***/**. This ***** **** */* ******* ******** ******* ****** *** */* devices **** **** **** ******* */** *****. *********, ** ****** produces ********* ** *******, ******** ****** ** - *** **. This ******** ** ******** **** ** * ******* ** ******* signal, *** ******** ******** ******* **** ** ****** ** *** best ********. ** **** *****, *** ******* ******** ********* ** a ******'* */* **** *** ********** *******.

*************:*** ********** **** ***** ********** ***** */* ** ************* '****** behaviors'. ****** ******, ******* ********* ******* ************* ****** **** *** be ****. '****** ********' ************* *** *** ****** **** ***** voltage **** *********. *** ******** ***** *** ******** ************ ** be '*****' (************) ** '******' (**/***). ***** ******* **** ****** of *********** ** ******* *********, ***** ****** ******* **** ****** state (** **/***) ***** ********.

****** ********: ****** ******** ** ******* *******

  • ******
  • *******
  • ********* ***** ******
  • ******: *********** **** ***** ******* ****** *** ******* ******* ** control **** ******* ******* *** *******

I/O ***********

*** *** ****** ********* *** *** ********* ******* */* ************ equally. ** *******, */* **** ******* ** *** ********* **** documented ******* ************ *** ** ******** *** ********. *******, ** our ********** ********** ****** *** *** ****** *** *** **** stable *** ********** ******** **** ****** *****.

*******, ***** */* ** ******* ******* ***** *** ********* ** integrating ********** **** **** **** *** ********. ******* ** *************** manufacturer ********* *******, *** ********** ** *************** * '***-***' ****** solution. **** * ******* **** *** ******** ** ******** ** stops *******, *** ********** ** ***** '** ***** ***' ****** troubleshooting ***** ***********.

Login to read this IPVM report.
Why do I need to log in?
IPVM conducts unique testing and research funded by member's payments enabling us to offer the most independent, accurate and in-depth information.

Related Reports

ONVIF Profile G Video Storage Test on Aug 26, 2016
A standard to retrieve video stored on 3rd party devices. This is the aim of ONVIF Profile G. The proprietary nature of accessing recorded video...
Viakoo Health Monitoring Examined on Aug 26, 2016
Viakoo, the company of ex-Intransa leaders, says they have created a monitoring tool for security networks that is easy to deploy and offers...
Tailgating - Access Control Tutorial on Aug 25, 2016
Despite costing thousands of dollars per door, electronic access control systems are vulnerable to an easy exploit called 'tailgating'. Unless this...
Axxon Next VMS 4.0 Tested on Aug 24, 2016
AxxonSoft is one of the biggest VMS vendors (reporting 263,000 channels sold in 2015), especially strong in their home market of Russia, but not...
Milestone Declares End-To-End Is A Dead-End on Aug 24, 2016
While Axis celebrates their end to end system win at top 50 global retailer H&M, their Canon sister company Milestone is proclaiming that...
HD Analog DVRs With Exacq, Milestone and Genetec VMSes Tested on Aug 23, 2016
HD analog offerings have proven to deliver HD video at radically lower prices. However, the main limitation for professional applications is their...
Axis Wins ~$20 Billion Retailer With End to End Solution on Aug 22, 2016
Sorry, Axis partners, you are not needed here. Axis 3.0 is ramping up with the Avigilon approach. Based on internal Axis documents, IPVM explains...
FLIR Expands Enterprise Distribution Through ADI on Aug 22, 2016
FLIR and Hikvision have been the two top-stocked video brands at ADI, according IPVM analysis and ADI Awarded FLIR "Vendor Of The Year" in January...
Axis Lists Itself First Among VMSes on Aug 19, 2016
When you think of VMSes, who do you think of first? Well, Axis, the camera manufacturer, thinks of itself. Axis declared: There are a variety...
Cameras Mounted On Poles Primer on Aug 15, 2016
Poles are a popular but challenging choice for deploying surveillance cameras. Poles are indispensable for putting cameras at the right height to...

Most Recent Industry Reports

ZKAccess Company Profile and Higher Margin Guarantee Examined on Aug 30, 2016
A budget access manufacturer has entered the North American market, but it is not Hikvision or Dahua. This player, ZKAccess, has recently set up...
DW Races Hikvision To The Bottom on Aug 30, 2016
20% across the board price cuts are so last week. Literally. Days after Hikvision concluded its second 20% across the board price cut in a month,...
Ex-Dahua VP's Company, Videopark, Examined on Aug 30, 2016
An ex-Dahua VP formed Videopark in 2009 and has since recruited many engineers from both Dahua and Hikvision. US sales manager Kevin Zhou...
US Embassy Requires Hikvision Cameras on Aug 29, 2016
The US Embassy in Kabul Afghanistan has required only Hikvision cameras in a new US federal government bid. However: Hikvision was founded...
Axis Hosted Video Decade of Failure on Aug 29, 2016
Do you want to 'head up' Axis hosted video offerings? Axis almost never publicly promotes senior positions, but for such an unattractive job they...
Hikvision Chinese Government Origin on Aug 29, 2016
Hikvision originated from a Chinese government research institute. This is uncommon in the West but frequent in China. Hikvision was founded...
ONVIF Profile G Video Storage Test on Aug 26, 2016
A standard to retrieve video stored on 3rd party devices. This is the aim of ONVIF Profile G. The proprietary nature of accessing recorded video...
Viakoo Health Monitoring Examined on Aug 26, 2016
Viakoo, the company of ex-Intransa leaders, says they have created a monitoring tool for security networks that is easy to deploy and offers...
Genetec Access Control Security Center 5.5 Release on Aug 26, 2016
Inside, we examine Genetec's new Access Control features in Security Center 5.5. Enhanced Active Directory and 'Universal Groups' New, Single...
Tailgating - Access Control Tutorial on Aug 25, 2016
Despite costing thousands of dollars per door, electronic access control systems are vulnerable to an easy exploit called 'tailgating'. Unless this...

The world's leading video surveillance information source, IPVM provides the best reporting, testing and training for 10,000+ members globally. Dedicated to independent and objective information, we uniquely refuse any and all advertisements, sponsorship and consulting from manufacturers.

About | FAQ | Contact