Hello everyone.
So I'm still working on my ASR33 restoration and have had lots of great help so far.
I'm now trying to connect my unit to my computer with a full duplex (two loops) 20mA current loop connection.
I THINK my unit is actually configured for 60mA half duplex so want to change it.
I have looked at the change guide below:
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keep right on typing, but most of them continue on for years as long as liberally supplied with lubricating oil. Service manuals have lengthy
deramp.com
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>From reading that article, it does seem my unit is wired for 60mA
BUT I I have this additional module installed and it has a connection to the purple wire on it (which would need to move to terminal 9 on the tagstrip.
Does anyone know what this relay unit of for please ? It has a 'Wallac 2557' marking on the rear/
