EVK-R8 - User guide
UBX-22018774 - R02
Board quick start
Page 6 of 25
C1-Public
2.2.2
Power supply
Figure 3: Power supply set up
1.
Connect the AC / DC +12 V power supply adapter to
J400
, the 9
–
18 V Power Input connector.
LED
DL401
lights turn blue.
2.
Provide a jumper socket on
J404
, the Cellular VCC supply jumper, and to
J102
, the Cellular VCC
supply jumper.
3.
For LENA-R8001M10, provide a jumper socket on
J701
, the VCC_GNSS enable jumper, and to
J702
, the VBCKP_GNSS enable jumper.
4.
Set
J200
, the Cellular USB boot slide switch
on the “NORMAL” position.
For FW update over USB,
set the slide switch on the “USB” position
.
5.
Turn
SW400
, the Main power switch to the ON position. LED
DL400
lights turn green. The cellular
system of the LENA-R8 module is powered but still switched off. The GNSS system of the
LENA-R8001M10 module switches on.
J101
J100
J400
NO
R
M
A
L
→
U
S
B
B
O
O
T
J502
J600
J700
J402
(J401 on bottom side)
J403
(J400 on bottom side)
J500
J501
OFF
B2B
DB9
UART0
D
E
T
A
CH
BATT
DISABLE
DL401
DL400
DL403
DL501
D
L
4
0
4
LED700
LED600
DL405
DS501
DS500
D
S
1
0
7
D
S
1
0
5
D
S
1
0
9
D
S
1
0
3
GPIO
ONBOARD
MINIUSB
G
N
S
S
B
K
P
L
ED
7
0
1
DL401
J404
DL400
SW400
J102
J702
J701
J200
J103
D
S
1
1
8
D
S
1
2
1
D
S
1
0
7
D
S
1
0
4
J102
