In addition to the repairs to the HP4935A, I finally made myself a little interface box with banana jacks / binding posts. Finding new bantam plugs or adapters that aren't astronomically priced is nearly impossible. This will let me connect the test set to whatever I might want to test, without so much bare wire and clip leads πŸ˜€β€‹

There are three posts for each side (transmit/receive). A pair to make up the line and a third that is the shield of the cable.

@QBFreak You are now ready to test your ISDN line

@bamfic What do you know, 1000Hz @ -10dBm _will_ knock down my connection πŸ˜€β€‹

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