Connecting to the HD15 Port
Any HD15 female connector may be used to connect. We offer an DH15 to
screw terminal connector as an optional accessory (part #XK-A-1534-R).
Pinout Wiring
HD15 Connector
Male connector on the X-keys
3.5mm Ports
Port 1 is closest to the HD15
connector on the X-keys
Pin
Function
3.5mm Port
Function
1
I/O 1*
Port 1 Tip (left)
Input 1L**
2
I/O 2*
Port 1 Ring (right)
Input 1R**
3
I/O 3*
Port 1 Sleeve (ground) Ground
4
I/O 4*
Port 2 Tip (left)
Input 2L**
5
I/O 5*
Port 2 Ring (right)
Input 2R**
6
I/O 6*
Port 2 Sleeve (ground) Ground
7
I/O 7*
8
I/O 8*
9
No connection
10
Ground
11
I/O 9*
12
I/O 10*
13
Digital Output 1 (5VDC, 10mA max)
14
Digital Output 2 (5VDC, 10mA max)
15
5VDC (from USB connection)
*Inputs configurable as short-to-ground or +3 to 6 VDC.
**Inputs short-to-ground only
All outputs 5VDC, 10mA max
3.5mm Ports
Each of the two 3.5mm ports accepts a 3.5mm plug such as those found on
most Assistive Technology switches. A single switch can be plugged directly
into each port or the port can accept two switches with a 3.5mm left and right
splitter. We sell this adapter on our website (#XK-A-1182-35Y-R). Please be
aware that the splitter must separate the left and right channels to support two
switches independently (headphone splitters will not work).
