Elecraft KXPA100 Manual - Manual (Page 45)

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Serial Interface Cable
The KXSER interface cable is provided as an option to the KXUSB interface cable for those who have a
conventional RS232 port on their computers. If you chose the KXUSB cable when you ordered your KXPA100,
you can purchase the KXSER cable from Elecraft or make one yourself. Figure 14 is a schematic diagram of the
cable. A kit of parts to fabricate a 6-foot (1.8 meter) serial interface cable is available from Elecraft; Order
W1SERKT.
Figure 14. Serial Interface Cable Schematic.
FT-817 Interface Cable
This cable provides improved communications between the KXPA100 Amplifier and the KXATU100 ATU and
a Yaesu FT-817 transceiver, or any transceiver using the FT-817 interface. The interface cable provided by
Elecraft (see FT-817 Interface Cable, page 9) has a female mini DIN connector wired in parallel with the male
connector so using the interface with your KXPA100 will not interfere with other equipment you may have
connected to the FT-817.
Figure 15. FT-817 Interface Cable.