Lantronix xPico Wi-Fi Shield User Guide - Page 7

2: xPico Wi-Fi Shield Figure 2-1 xPico Wi-Fi Shield Connectors and Jumpers JP10 and JP11 3.3V and Ground JP3 and JP5 Serial 1 Headers JP1 Current Sense J3 and J4 J1 and J5 Antenna Cable J8 USB Device J9 Serial 2 via USB JP2 CP Header JP6 Power Select Wake Button Default Button Reset Button J2 and Power1 JP17 Button Header J6 and Analog1 Table 2-1 xPico Wi-Fi Shield Connectors, Header and Switches JP Position Label Function Default J7 xPico module socket. J8 Mini USB Type B connects to the xPico module USB device port. Note device port will be enabled on a future software release. J9 Mini USB Type B connects to the xPico module serial port 2 through a USB to serial converter and the JP17 jumper headers. JP1 1-2 UUT PWR Connects to 0.301 ohm current sense resistor R1. Uninstalled Measure voltage on JP1 to calculate module power ti xPico® Wi-Fi® Shield User Guide 7