Robustel R3000 Lite User Guide Manual do Utilizador descarregar pdf (Página 15)

Robustel GoRugged R3000 Lite User Guide

RT_UG_R3000 Lite_v.1.0.0 23.12.2013 14 / 113

Confidential

2.2 PIN assignment

DB9 Female Connector

Debug

RS232

RS485 (2-wire)

Direction

Data+ (A)

RXD

R3000 Lite  Device

TXD

Device  R3000 Lite

DRXS

Device  R3000 Lite

GND

Data- (B)

RTS

Device  R3000 Lite

CTS

R3000 Lite  Device

DTXD

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 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 Lite inside the USB storage devices, R3000 Lite

will automatically update the configuration file or firmware. Details

please refer to section 3.13.

Power

Positive

Negative

GND

USB

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Robustel R3000 Lite User Guide Manual do Utilizador Página 15