Re: [NSW] Connections between suburban cars

[Hubert Lam <hubert@imap4.com>]

yes it's one side that's connected and the other just loops back to
itself. thanks.

In article <8F7488B4AgunzelT333@vic.news.telstra.net>,
  Michael Kurkowski <usenet.spam@gunzel.net> wrote:
> Hubert Lam <hubert@imap4.com> said:
>
> >sometimes I see the black rubber tubes connected in between the 4th &
> >5th cars (non-T/G sets) and sometimes I don't.
> >
> >What is in those black "tubes"? (apart from electrical connections-
> >-duh!!!)
>
> Sounds possibly like the MU cable. This allows one four car set to
control
> another four car set. Later, on the T and G sets, these were
integrated
> into the accessory plug on the Scharfenburg coupler. Can't explain
why
> you'll see them on some sets but not on others - other than location
of the
> MU plugs? I believe any train/locomotive would have two sets of MU
> connections, one on each side, to allow either locomotive to face
either
> direction - Only one set of plugs needs to be connected. e.g.
>
> Diagram depicts top view of two coupled trains.
>
> --------+   +--------------------
>         O---O
>         |   |
>         |=S=|
>         |   |
>         O   O
> --------+   +--------------------
>
> Whereby, =S= is the autocoupler. O is the MU receptacle --- is the MU
> cable.
>
> Michael.
>


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