Answers.Body: <p>It basically forces the coupling magnets to separate via the pins pointing downwards from the magnet holders:</p>
  
  <p><img src="https://img.bricklink.com/P/11/4023.gif" width="130" height="95"></p>
  
  <p><img src="https://i.sstatic.net/RsFKG.gif" alt="enter image description here"></p>
  
  <p>Here's a <a href="https://www.youtube.com/watch?v=GnND5HTf9uw" rel="nofollow noreferrer">demo</a>.</p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2015-05-21T15:49:03.430Z
Answers.Text: That's a cool video!
Answers.UserDisplayName: CJBS
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2015-05-21T04:02:04.380Z
Answers.LastActivityDate: 2015-05-21T20:03:19.027Z
Answers.LastEditDate: 2017-03-10T09:42:48.913Z
Answers.UserDisplayName: Niels
Body: <p>I've never seen this set in person, although it appears occasionally in 12V Lego train system images. I've never seen it used, or described.</p>
  
  <p>How did the <em>LEGO 7862 Remote Controlled Decoupling and Signal 12V</em> work? What is the 'Signal' component of the decoupler?</p>
  
  <p><img src="https://i.sstatic.net/6moNS.jpg" alt="Box image"></p>
  
Tags: <trains><remote-control><12v>
Title: How did the LEGO 7862 Remote Controlled Decoupling and Signal work?
UserDisplayName: CJBS
ThreadText: # How did the LEGO 7862 Remote Controlled Decoupling and Signal work?
  
  (Asked by: username_0 on 2015-05-20)
  
  I've never seen this set in person, although it appears occasionally in 12V Lego train system images. I've never seen it used, or described.
  
  How did the *LEGO 7862 Remote Controlled Decoupling and Signal 12V* work? What is the 'Signal' component of the decoupler?
  
  ![Box image](https://i.sstatic.net/6moNS.jpg)
  
  **Tags:** trains, remote-control, 12v
  
  ---
  
  ## 1 answers
  
  ### Answer by username_1 on 2015-05-21. Score: 6 | Accepted answer
  
  It basically forces the coupling magnets to separate via the pins pointing downwards from the magnet holders:
  
  ![](https://img.bricklink.com/P/11/4023.gif)
  
  ![enter image description here](https://i.sstatic.net/RsFKG.gif)
  
  Here's a [demo](https://www.youtube.com/watch?v=GnND5HTf9uw).
  
  > **Comments:**
  > **username_0**: That's a cool video!  
  
  ---
  
  