Discovery TX-500 Data Adapter
Fits 7 pin RemData connection for TX/RX Data
by Bob W2ENY

$30 Complete
Includes shipping when paid by check or money order

Robert Langston
286 Hudson Street
Cornwall-on-Hudson, N.Y.  12520

Or you can pay with paypal, then you pay shipping

For sales shipping outside the US, please see my listing on ebay

Clearly marked jacks by function:

TX/RX Data connection from the TX500 Manual:

Also from the manual, TX/Mic is wired mono, RX/SPKR is wired left and right mono.

As an FYI, the group admin is now blocking me from sending links to the different things that
I do to support you that no one else does. Really, how much do I make off cables?
So much for supporting their user base, stupid!