Robustel GoRugged R3000 Lite - PIN Assignment; USB Interface

Robustel GoRugged R3000 Lite User Guide
RT_UG_R3000 Lite_v.1.4.1 15.11.2016 17 / 135
Confidential
2.2 PIN Assignment
DB9 Female Connector
PIN
Debug
RS232
RS485 (2-wire)
Terminal block
Direction
1
CR
Data+ (A)
485+
-
2
CT
RXD
RXD
R3000 Lite  Device
3
TXD
TXD
Device  R3000 Lite
4
DRXD
DT
Device  R3000 Lite
5
GND
GND
GND x2
-
6
Data- (B)
485-
-
7
RTS
RTS
Device  R3000 Lite
8
CTS
CTS
R3000 Lite  Device
9
DTXD
DR
R3000 Lite  Device
2.3 USB Interface
USB interface is used for batch firmware upgrade, cannot used to send or receive data from slave devices which with
USB interface. Users can insert a USB storage device, such as U disk or hard disk, into the router’s USB interface, if
there is configuration file or firmware of R3000 Lite inside the USB storage devices, R3000 Lite will automatically
update the configuration file or firmware. For more details, please go to 3.14 Configuration > USB.
PIN
Power
10
Positive
11
Negative
12
GND
USB