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[Puck]

Over a year ago (well before OnAlert) I did a modification to extend the ARMED LED of my DS7000 Protector Plus to be visible outside (at my garage door).

The reasons for this were:

• 1) To see that the remote did ARM the system when leaving home
  
  
• 2) To know when to DISARM when arriving home
  
  
• 3) To know that the remote did DISARM the system
  
  
• 4) Upon arriving home, if the LED is flashing then the system has been tripped
  
  

Prior to this mod, the protocol was to get out of the car, place ear to front door, listen for ding, ding-ding, or ding-ding-ding-…. Low WAF method of ensuring system ARMED or DISARMED.

Even with OnAlert, there is still no feedback with AHP to verify the DS7000 ARMED or DISARMED correctly. If for example a window was left opened, OnAlert will still ARM, but the DS7000 would continuously chime in an UN-ARMED state. To me, this was unacceptable.

I recently completed all the documentation for this mod, and now I can share it. As always, with any mod, only do it if you are comfortable doing it and realize that you will void any warranty and when opening any product you risk causing damage.

So with the warnings out of the way, here it is:

1) I installed an extra 1/8" jack into the side of the PS561



2) This new jack connects to an LED Interface which houses an LED for local ARMED status, and a 2-wire connection for the external ARMED LED.



3) The 2-wire connection for the external LED is routed to the outside corner of my garage door.



4) Modification to the PS561:

• (a) Extreme caution must be exercised in opening the PS561; there are a lot of connections between the two halves and therefore you can only separate them a small amount as seen in the following photo. Too much movement between the two halves could result in breaking internal connections.
  
  
• (b) The two halves are held together with 4 screws, one inside the battery compartment and three underneath (3 of the 4) rubber feet.
  
  

5) And finally, the schematic of the LED Interface.

[Oldtimer]

Neat idea! Great documentation!  Thanks for sharing!

[Tuicemen]

Another great documented mod!
I always enjoy reading about mods!
Thanks for sharing the info!

[Brian H]

Wow two Great Mods and Documentation. Another Helpful on its way.
OK forum only lets one helpful to a user a day. So tomorrow another helpful from me.

[myron]

This is just what I have been looking for!  Could you email me a list of the components that you had to purchase and where you got them? Please attach the pictures if possible. I have had my system for 3 years and I have always wondered if the system was armed or not. My email address is mtsjshore@yahoo.com
   Thanks,

[Oldtimer]

Another nice piece of work PUCK.  I don't have an X10 alarm but I can appreciate the usefulness of this.  A very creative concept.

[Puck]

This is just what I have been looking for!  Could you email me a list of the components that you had to purchase and where you got them? Please attach the pictures if possible. I have had my system for 3 years and I have always wondered if the system was armed or not. My email address is mtsjshore@yahoo.com
   Thanks,

Here is a list of the parts that can be used to build this:

For the 4N37 Opto-Coupler, go to Digi-Key and search for 4N37FS-ND. Here is the Fairchild datasheet for the pinouts.

Opto-Coupler alternatives:

LITE-ON 4N37, Digi-Key 160-1306-5-ND
Vishay 4N37, Mouser 78-4N37
Fairchild 4N37M, Mouser 512-4N37M


Radio Shack (2SC828 replacement): 2N3904

Radio Shack: LED

Radio Shack: 330 Ohm Resistor

Radio Shack: 10K Ohm Resistor

Radio Shack: 1/8" Jack

Radio Shack: 1/8" Plug

Radio Shack: Case

Radio Shack (a prototype board example): PCB

Puck Edit: Added alternatives for Opto-Coupler

[KDR]

Very nice Mod Puck

Thanks for taking the time to put up a parts list with links 

^{----------------KDR}

[Brian H]

Glad you had the opportunity; to copy them. Before another great project vaporized.

[HA Dave]

Reading and viewing the posts below... you can see what I've done.

I deleted nothing. And only have edited in a effort to preserve a great informative and "one of a kind" post.

I hope no one minds I have edited these posts. I (and I am sure Bill also) are only doing what we can to best preserve the posts and the forum.

[Puck]

Thanks for re-posting the pics Dave, much appreciated... I do have them all backed up and will work on getting them on a stable site (thanks to Knightrider) real soon.