GNSS Module Series
LG69T(AM,AS)_EVB_User_Guide 13 /
45
3.2.
EVB Interfaces
The EVB interfaces are detailed in the table below.
Table 2: Detailed EVB Interfaces
Function
Interfaces
Description
Power Supply
J201
USB_UART
Power supply input:
⚫
DC power supply: 4.5
–5.5 V, typ. 5.0 V
⚫
Current capability should be > 2 A
J601
USB_EC20
Communication
Interface
J601
USB_EC20
Used for configuring RTK account.
J201
USB_UART
Enhanced COM Port
: Used for standard
NMEA/RTCM message output, PQTM
command input, and firmware download.
Standard COM Port
: Used for standard
NMEA/RTCM message output, PQTM
command input.
If you need to use the Standard COM Port,
configure the RTK function of the GNSS
module via EG25-G module and insert the
SIM card.
RF Interface
J401
LG69T GNSS_ANT Connector
Used for connecting GNSS antenna.
J603
LTE_ANT Connector
Used for connecting LTE antenna
Signal Indication
D309
TXD/1PPS
indication LED
1PPS
(Red LED)
Flashing: 1 Hz pulse signal output.
Off: 1PPS is unavailable.
TXD
(Green LED)
Flashing: Data output from UART1 TXD.
Fixed Off/On: No data output from UART1
TXD.
D109
5 V/3.3 V
indication LED
3.3 V
(Red LED)
EVB 3.3 V power indicator.
5 V
(Green LED)
EVB 5 V power indicator.
D310
GEO_F/RTK_S
Indication LED
(Only for LG69T (AM))
GEO_F
(Red LED)
Geofence indicator.
RTK_S
(Green LED)
RTK indicator.
