ModBay Connector
The TC401 model features one ModBay expansion slot. The Modbay slot supports PCIe Gen 3 x2,
USB 3.1 Gen 2, and USB 2.0. OnLogic o ers a variety of ModBay cards including RJ45 LAN, M12 LAN,
USB3, and RS232.
USB 2.0 Header
The on-board USB 2.0 header provides a single USB 2.0 signal. It utilizes a WR-WTB 4-pin 1.25mm
pitch male pin connector with the pin configuration in the chart below. The 5V power pin (Pin 1) can
provide up to 1A of current.
USB 2.0 header pinout
Pin
Function
1
5V
2
D0-
3
D0+
4
GND
28