How does one get the data to a tpc when connecting tmcc base to dcs or legacy base ?

Asheville division of SouthernOGR Forum Member

I have my layout controlled by two tpc's and my switches with acs's controlling z1000 and Ross switches. I have both MTH ps2 and Lionel engines and want to use both systems. When I connect the TIU to the tmcc command base, I have no way to get the com and data from the tmcc control base to control the tpc or the ASC's. Since I have 34 switchs and a control panel tied into the tmcc, I need to get the com and data to the TPC for control of switches. How can it be done ? Help ? I tired several options none of them have worked.

1/16/127:52 PM

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Professor ChaosOGR Forum Member

Probably the simplest is to get a DB9 y-cable that will split the command base port into two plugs. I think you want one with one male and two female ends, though I don't have a base handy to check if I have the male and female correct.

1/17/122:59 AM

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cjackOGR Forum Member DIGITAL SUBSCRIBER

I'm not clear on what the connection issue is with the DCS and TMCC but if the solution is the db9 cable splitter, then that's correct, one male to the two females. Seems like one came with the Legacy command system #990. But they are available from Amazon for example...

http://www.amazon.com/Your-Cab...id=1326812144&sr=8-1

1/17/1210:00 AM

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Dale ManquenOGR Forum Member MEMORIALIZED MEMBER

The Output of the Base on Pin 2 can easily be split, but on the Input on Pin 3, two devices trying to drive the Base may create a signal conflict. Sometimes using diodes in series with the two sources ("pointed" toward the Base) can eliminate the electrical conflict, but the devices still must not be "talking" at the same time.

An example would be DCS and an Action Recorder both trying to send signals to the Base.

1/17/127:15 PM

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Asheville division of SouthernOGR Forum Member

Thanks for the input. I have order the 232 cable with splitter. I will report if it works. Seems like too simple of a solution. But simple is good.

1/17/129:57 PM

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Asheville division of SouthernOGR Forum Member

Dale, I hope you are wrong but should know shortly when I get the spliter cable. If it does not fix the problem, I may need to pick your brain some more. Thank you.

1/17/1210:00 PM

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Asheville division of SouthernOGR Forum Member

I got the 232 splitter and it solves the problem of being able to get the com and data to a tpc for all the acs and still tie into mth dcs(tiu) and the legacy system. Thank for all the good input and solving my problem.

1/18/1210:36 PM

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