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Elecraft KPAK3AUX Interface Cable
The KPAK3AUX cable set includes:
•
KPAK3AUX Cable, 59.5” (1.5 m) long. May be ordered separately (part number E850463).
•
15-pin Y cable that allows access to the K3
S
or K3
AUX
port for other devices. May be ordered
separately (part number E980190).
•
15-pin male-female Key Line Interrupter.
KPAK3AUX cable wiring. Pins not shown have no connection.
KPA1500 AUX
CONN. Pin
K3 AUX
CONN. Pin
Signal
2
2
AUXBUS
3
3
BAND 1
5
5
GND
9
9
BAND 2
10
10
PTT (See Note 1)
11
11
Inhibit
12
12
GND
13
13
BAND0
14
14
BAND3
15
15
ALC (see page21)
Notes:
1.
If you have devices that need access to the PTT Line (e.g. an external ATU, SteppIR controller, etc.),
use the Key Line Interrupter supplied with your KPAK3AUX cable set. The interrupter breaks the
key line (PTT, pin 10) so you can use the separate
KEY IN
cable routed through external equipment,
see Figure 5, page 16.
2.
Pin 4 is not used but the wire is included in the KPAK3AUX cable.
Icom Transceiver Interfacing
There are three different interfacing methods for Icom transceivers: CI-V, Band Voltage System and Remote
Tuner connection.
The recommended method is CI-V if your Icom transceiver supports it (such as IC-7610, IC-7300). An
interface cable for CI-V is available from Elecraft.
