Robustel R3000 NU - Manual (Page 13)

Robustel GoRugged R3000 NU User Guide
RT_UG_R3000 NU_v.1.0.0 24.03.2014 12 / 110
Confidential
2.2 PIN assignment
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 an 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 inside the USB storage devices, R3000 will automatically update
the configuration file or firmware. Details please refer to section 1.3.15.
USB Interface
PIN Debug RS232 Power Digital I/O RS485
1 RXD
2 TXD
3 GND GND
4 TXD
5 RXD
6 RTS
7 CTS
8 Positive
9 Negative
10 GND
11 Input 1
12 Input 2
13 Output 1
14 Output 2
15 GND
16 Data+(A)
17 Data- (B)
1
2
3
4
5
6
7
11
12
13
14
15
16
17
8
9
10