
SBC-APL-350 HARDWARE MANUAL
– VER 1.00 JUN 12 2019
Page
15
of
35
4.2. M.2 KEY-B Slot
The SBC-APL-350 has one internal M.2 KEY-B connector: M2-B (Marked B). M2-B connector supports
SATA 3.0 and USB 2.0 signals. Either M.2 3G/LTE cards in the industry-standard M.2 KEY-B 3042 (30 x
42 mm) or M.2 SATA cards in the industry-standard M.2 KEY-B 2242 (22 x 42 mm) form factor are
supported.
NOTE: No M.2 KEY-B 3G/LTE module is included in this device (must be purchased separately, not sold
by TechNexion).
4.3. FAN1 Header
The SBC-APL-350 features an internal FAN1 header (Marked C).
FAN1:
Pin #
Signal
Description
1
GND
Ground
2
+12V
Fan Power
3
SIGNAL
Fan RPM
Header on SBC-APL-350: Molex 53047-0310 (1.25mm Pitch PicoBlade Wire-to-Board Header, Vertical,
with Friction Lock, 3 Circuits).
Cable receptacle: Molex 51021-0300 (1.25mm Pitch PicoBlade Wire-to-Wire and Wire-to-Board Housing,
Female, 3 Circuits, Natural).
4.4. USB1 Header
The SBC-APL-350 features an internal USB 2.0 6-pin header (Marked D).
USB1:
Pin #
Signal
Description
1
NC
2
NC
3
USB_D+
USB differential pair signal
4
USB_D-
5
VBUS
5V Universal Serial Bus Power
6
GND
Ground
Header on SBC-APL-350: Molex 53780-0670 (1.25mm Pitch PanelMate Header, Surface Mount, Right-
Angle, 1.90mm Height, 6 Circuits).
Cable receptacle: Molex 51146-0600 (1.25mm Pitch PanelMate Wire-to-Board Receptacle Housing, Ultra
Low Profile, 6 Circuits, Natural).
4.5. SO-DIMM DDR3L Slot
The SBC-APL-350 has one SO-DIMM DDR3L memory slot (Marked E).