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The E850483 cable has been discontinued, it has been replaced by the KXUSB cable. Visit this link to purchase the current KXSER-a Additional RS232 communication cable with 9-pin connector.
The E850369 product is a communication cable to connect many Elecraft products to the common RS232 COM port with a 9-pin connector.
The E850369 cable is designed to connect to a 9-pin COM port on a computer.