UM220-IV M0 EVK Suite Quick Guide
UC-08-E23 EN R1.1
Indicator
2
Table 3- 1 Interfaces on the EVK Board
Interface
Type
Description
S1
Reset switch
Reset the module by a jumper cap
S2
Antenna feed switch
Control the antenna feed on and off
by a jumper cap
ANT
RF input connector
Antenna signal input
USB
Micro-USB connector
Power supply (+5V), and data
communication
SD-card
SD-card socket
Install SD memory card
UART
Communication DB9
connector
Backup serial communication
interface, 232 level
4
Indicator
Table 4-1 lists indicators on the UM220-IV M0 EVK board.
Table 4- 1 Indicators on the UM220-IV M0 EVK Board
Indicator
Type
Description
L1
Power supply/1PPS indicator
The indicator lights up when
the connector is powered,
and flashes when the 3D
positioning is valid.
