EVK-R4 - User guide
UBX-16029216 - R07
Starting up
Page 16 of 31
C1-Public
Type of connections
SW401
SW403
J248
LED
Access to the main UART of SARA-R4 modules, and the
GNSS UART output of SARA-R422M8S modules, over the
Cellular USB
mini USB connector on the EVB-WL3 (J501)
ON BOARD MINIUSB
Jumper socket on pins 1-2 DL403
DL501
Access to the main UART of SARA-R4 modules over the
Cellular RS232
DB9 connector on the EVB-WL3 (J500)
ON BOARD DB9
Jumper socket on pins 1-2 DL405
Access to UART(s) accessible on the DIL Board-to-Board
header connector
on the top of the adapter board (J301),
with UART(s) detached from the mini USB (J501) and
RS232 (J500) connectors on EVB-WL3, and detached
from the mini USB (J201) connector on the ADP-R42
B2B
Do not care No jumper socket
DL404
Access to the two UART of SARA-R42 modules over the
Cellular USB
mini USB connector on the ADP-R42 (J201),
with UARTs detached from mini USB (J501) and RS232
(J500) connectors on EVB-WL3
B2B
Do not care Jumper socket on pins 2-3 DL404
DS201
Table 7: Serial interface configuration
Run an AT terminal application (e.g. the u-blox m-center tool), and select the AT COM port with
the following settings:
o
Data rate: 115,200 bit/s
o
Data bits: 8
o
Parity: N
o
Stop bits: 1
o
Flow control: HW
for how to configure the u-blox m-center AT terminal for Windows.
8.
To access the cellular module via USB interface, connect a USB cable to the
Cellular native USB
connector on the ADP-R4. The related LED DS100 lights blue.
After the end of modules
’
boot (refer to point
for the procedure to switch-on the cellular
module), the ports listed in
are enabled by the Windows USB driver (details as the
numbering of the ports can be seen via the Windows Device Manager):
Type
Remarks
Modems
AT command interface and data communication
5
Ports (COM & LPT)
Diagnostic purpose
Table 8: Cellular USB interface configuration
For AT communication with the SARA-R410M and SARA-R412M modules, run an AT terminal
application (e.g. the u-blox m-center tool) and select the AT modem port, with these settings
o
Data rate: 115,200 bit/s
o
Data bits: 8
o
Parity: N
o
Stop bits: 1
o
Flow control: HW
for how to configure the u-blox m-center AT terminal for Windows.
9.
To switch on the cellular module, press the
Cellular Power-on
/
Power-ctrl
button (SW302 on the
EVB-WL3 board).
5
SARA-R410M and SARA-R412M modules only