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Gday Lewis
As i noted, there are 2 things in play
a) The "connector" types
b) The transmission protocols
You need to address both individually.
As Peter mentioned, USB protocol is totally different to rs232 protocol, so you MUST use a converter in the chain somewhere, if the scope uses true rs232. This is the same as TTL serial ( as used in EQMod cables ), is different again to true rs232 and hence needs a different type of converter.
Technically, the Tak "cable" sounds like it is really just a DB9 connector linked to a DIN plug in manner that the std DB9 mapping of the Tx/Rx/Gnd lines goes to the correct pins in the DIN connector ( as required by the Tak connector design). ie its just a dumb cable
If its only a neater cable required, then as i listed, there are now devices on the market, where the USB2Rs232 converter is still there, but built into the USB plug. You then cable it yourself to whatever connector you want.
However a converter ( of some sort ) will still be required to change protocols, you cant get away from that unless the manufacturers put a USB hub in their scopes.
The Meade RCX and LS scopes have USB "ports/connectors" in em, but they are really just feeding inbuilt USB2Ser converters that then feed the pre existing serial ports, its not truly native USB, its just they moved the converters.
Andrew
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