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Connecting Old Digital with New

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Alex View Drop Down

Joined: 01 Oct 2015
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    Posted: 01 Oct 2015 at 4:41pm

After 40 years of having my Marklin collection sit in boxes, my recent retirement provided the time I need to set up a layout.  Almost everything I have is M track, however I did purchase a starter set that came with some C track and a Mobile Station 2.  I set up 2 loops, an analog one with M track and a digital one with C track.  I am so heavily invested in M track that it would not make financial sense to switch everything over to C at this point.

I recently acquired a Marklin 60215 Central Station as well as a 60065 transformer, a 60125 Terminal, a 6021 control unit with four 6040 keyboards, a 6017 booster, two 6001 transformers and several 6083 K 83 decoders.  My idea is to use the central station to control the locomotives and the 6040 keyboards to control turnouts. I have no desire to control locomotives with the 6021 control unit, however I would like to use the 6017 booster either to provide additional power for turnouts or perhaps add an additional circuit in the layout.  I tested a 6040 keyboard with the K 83 decoders to switch M turnouts and they all work fine.

My problem is I have no idea how to wire this all together.  The booster did not come with any cables so I can't connect it to the 6021 unit.  I saw a diagram that shows the 6017 unit connecting with the 60215 Central Station however I have read somewhere that it must be connected to the 60125 Terminal which is then connected to the 60215 Central Station.  I don't have the cable needed to connect it either way and can't find any documentation on it.  Do I need to connect the 6021 to the Central Station or can I just connect the power output to the K 83 decoders?  If I decide to use the 6017 to control additional turnouts can I just connect it to the 6021?

So this all boils down to two questions:

1)  What are the part numbers of the cables needed to connect the 6017 to either the 6021 and/or the 60125 Terminal?
2)  Do I need to connect the older digital equipment to the Central Station or can I control the turnouts independently?


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jwvl4764 View Drop Down

Joined: 23 Jan 2016
Location: Chesterfield MO
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jwvl4764 Quote  Post ReplyReply Direct Link To This Post Posted: 23 Jan 2016 at 10:25am
I also have an issue with a new starter set with mobil Station 2. Set up and programed all existing old digital locos into mobil station & all worked well. Moved to small m-track layout and 4 of the 10 older locos would not work. Returned them to another m-track test line with 6021 and the 4 locos ran perfect.

Any ideas or suggestions? Called Reynaulds but the staff is at the Toy Fair and won't be back for a few weeks


BTW, Alex all my switchs and turnouts are powered independently 
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BR42 View Drop Down
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Joined: 28 Nov 2009
Location: Auburn
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BR42 Quote  Post ReplyReply Direct Link To This Post Posted: 24 Jan 2016 at 10:01pm

The starter set produces about 1.2A, while the 6021 delivers up to 3A when used with 50VA transformer.  Even boosting the starter set with a more powerful transformer gives a maximal output of 1.9A.  It may be that your old locos draw a high current.

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