Date   : Sun, 23 Mar 2008 15:08:56 -0000
From   : bbcmailinglist@... (Ian Wolstenholme)
Subject: Econet Terminator (circuit / wiring diagram)

Somewhere I have the directions on how to make an SJ-type terminator
plug.  I'll try and dig these out if anybody wants them.

In the meantime, there are instructions on how to convert an Acorn socket
box into a terminator box here, which might help:

http://www.beebmaster.co.uk/econet/setnet.html#Terminators

It doesn't need to be anything fancy, I think you can solder the resistors
directly onto the cable at the end of the network if need be (although this
would limit expansion possibilities).

Of all Econet "essentials", the terminators are the least essential and you can
get away without them on a very short network, although I wouldn't
recommend it for any long-term installation.

If you are just trying out Econet with two stations then you can get away
with two Econet leads and a Level-3 type Clock, just plug one lead into 
each Beeb and into the Clock and you will have a useable Econet without
any terminators or socket boxes.

Best wishes,



Ian
----- Original Message -----
From: jgh@... (Jonathan Graham Harston) [mailto:jgh at
arcade.demon.co.uk]
To: bbc-micro@...
Sent: 23 Mar 2008 00:30:01 +0000
Subject: Re: [BBC-Micro] Econet Terminator (circuit / wiring diagram)

Mike Tomlinson wrote:
> >    Anyway, does anyone have a useable circuit diagram / wiring diagram
> >    for a terminator please ?
> 
> page 78 of this document:
> http://www.astro.livjm.ac.uk/~bbcdocs/econet/EconetAUG.zip
 
That's an active terminator, only suitable for an Acorn clock. If
you're using an SJ clock, you need a passive terminator.
 
-- 
J.G.Harston - jgh@...                - mdfs.net/User/JGH
In 1939 $50 of groceries would fill three station wagons. Today I
can lift $50 of groceries with one hand. I must have got stronger.

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