661: Difference between revisions

160 bytes added ,  15 August 2023
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* [[5T1A]]
* [[5T1A]]
* [[5T3]]
* [[5T3]]
There is also a [[661 Vertical Test Load Unit|Vertical Test Load Unit]] plug-in,
but it was likely an internal-only product for use in production and service.


== Inter-module signals ==
== Inter-module signals ==