KBox F-420-WLU - User Guide, Rev. 1.0
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Figure 24: COM1 Pin-9 Selection JP2
Table 13: Pin Assignment JP2
Jumper 1 Position
Description
Pin 1-2
Pin 2-3
X
-
RI# Input
-
X
+5V DC Output
“
X’’ = Jumper set (short) and ‘‘-’’ = jumper not set (open)
11.8.
Line-Out / Line-In / Mic-In Combo Jack
Table 14: Line-Out / Line-In / Mic-In Combo Jack (see Figure 1, pos. 4)
Pin
Signal Name
Audio Connector & Corresponding Audio Jack Plug
TRS Type Headphone Jack Plug (support audio / headphone output only) / Stereo Input Jack Plug
Tip
Line-Out_L / Line-In_L
Ring
Line-Out_R / Line-In_R
Sleeve
GND
Standard TRRS Type Headphone / Microphone Combo Jack Plug (support audio / headphone output and
microphone input)
Tip
Line-Out_L
Ring-1
Line-Out_R
Ring-2
GND
Sleeve
Mic-In
OMTP TRRS Type Headphone / Microphone Combo Jack Plug (support audio / headphone output only)
Tip
Line-Out_L
Ring-1
Line-Out_R
Ring-2
Mic-In
Sleeve
GND
The function of audio jack can be programmed by audio driver.
2
3
1
