S&T Kontron 3.5"-SBC-WLU, User Manual, Page: 58 / 90

3.5"-SBC-WLU - User Guide, Rev. 1.8
www.kontron.com // 58
7.17. M.2 Key B / M.2 Key E Activity Indicator Header (CN1 & CN4)
The header CN1 is intended to connect M.2 Key B activity LED cable.
The pin header CN4 is intended to connect M.2 Key E activity LED cable.
Figure 28: M.2 Key B Activity Indicator Header CN1
Table 35: Pin Assignment CN1
Pin Signal Description Note
1 LED+
2 LED-
Connector Type
B2W, 1x2-pin, 2.0 mm pitch
Figure 29: M.2 Key E Activity Indicator Header CN4
Table 36: Pin Assignment CN4
Pin Signal Description Note
1 WL
2 WLAN_LED1-
3
4 BR-LED2-
Connector Type
B2W, 1x4-pin, 2.0 mm pitch
1
2
1
4