Cable Requirements

Your KXPA100 must be connected to a personal computer Serial Port or USB Port before firmware can be sent.

KXUSB interface cable for USB

KXUSB serial cable

A KXUSB interface cable for USB plugs into a USB port on your personal computer. Insert the right-angled 3.5 mm TRS plug into your KXPA100 back panel RS-232 (PC) connector.

KXSER interface cable for RS-232

Alternatively, you may also use a KXSER serial cable that has a 9-pin D shell RS-232 connector on one end and a 3.5mm TRS plug on the other, or you may create a suitable cable using a DB-9 female connector and a 3.5mm TRS plug. The connections are:

DB9 pin 3.5mm TRS
3 tip
2 ring
5 sleeve