GNSS Module Series
LC29D_EVB(0)_User_Guide 12 / 42
3.2.
Board User Interfaces
The EVB interfaces are detailed in the table below.
Table 2: Detailed EVB Interfaces
Function
Interfaces
Description
Power Supply
J101
EG25_USB
Power supply input:
⚫
DC power supply: 4.5
–5.5 V, typ. 5.0 V
⚫
Current capability should be > 2 A
J201
USB to UART
User Interface
J101
EG25_USB
Account configuration for RTK function
J201
USB to UART
Enhanced COM Port
: Be used for LC29D
module NMEA output, command input, and
firmware download. Switch
S203
to the
DL
side when a firmware download or testing of
RTK via PC is needed.
Standard COM Port
: Be used for LC29D
module NMEA output and command input.
Switch
S203
to the
RTK
side when testing
RTK with the EG25-G module. The premises
are that the EG25-G module configures the
RTK function and the SD card and (U)SIM
card are inserted.
RF Input
J301
LC29D_ANT Antenna Connector
Support:
⚫
GPS/QZSS L1 C/A and L5
⚫
Galileo E1 and E5a
⚫
GLONASS L1
⚫
BeiDou B1I and B2a
⚫
IRNSS L5
⚫
SBAS L1
⚫
Use with the antenna provided in the Kit
J403
EG25_ANT Antenna Connector
4G antenna
Signal
Indication
D301
Indication LEDs
1PPS
(Red LED)
Flash: Successful position fix
The frequency is 1 Hz.
Extinct: No position fix