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USB Console Adapter Setup Guide

Updated October 20, 2022. Written for LMS Version 6.2.

Overview

The USB Console Adapter was designed to overcome the lack of a dedicated RS-232 console port on newer network devices. It is typically installed between the Local Manager and a network device, providing an RS-232 RJ-45 interface on one side and a USB interface on the other. Installation and operation are simple, requiring only two connections plus power.

Unpacking the box

The following items are included in the box:

  • USB Console Adapter with Micro-USB Type B, RJ-45, and USB-A interface ports
  • Universal power adapters with Micro-USB Type B power connector

Required items

  • RJ-45 Straight-through patch cable
  • Vendor-provided USB console cable

Installation

Use the following diagram and the instructions below to install the USB Console Adapter.

NOTE: Only the native and enhanced native drivers are supported with the USB Console Adapter. Advanced drivers are not currently available.

USB Console Adapter Installation Diagram

  1. Connect an RJ-45 straight-through patch cable to the appropriate port on the Local Manager

  2. Connect the other end of the patch cable to the RJ-45 port on the USB Console Adapter.

  3. Connect a USB cable's USB-A interface to the USB-A port on the USB Console Adapter.

  4. Connect the USB cable to the network device to be managed.

  5. Connect the Micro-USB Type B power connector from the included power supply to the USB Console Adapter. The Micro-USB Type B port is marked POWER.

  6. Plug the power supply into an active outlet.

  7. Observe the LED status light next to the USB-A port on the USB Console Adapter.

LED Status Lights

  • GREEN - device is powered
  • RED - booting or error
  • BLUE - device plugged in and active (normal operating state)

Test the connection

Once you have a BLUE light on the USB Console Adapter, you should be able to test serial communication from the Local Manager. Log into the Local Manager, navigate to the appropriate port, and use the terminal command to verify connectivity.

If you cannot communicate with the device, check all connections and ensure baud rate settings are correct. If you continue to encounter issues, please contact Lantronix Support.

Setting the BAUD rates

The USB Console Adapter uses 9600 as a default baud rate. These can be changed using the following methods:

6.3.2 or later: A menu option has been added to access the configuration of the Adapter by running ~o.

6.3.1 or earlier: Earlier versions require us to access the Adapter manually to make changes.

  1. Remove the end device if it is already connected
  2. Change the baud rate of the Local Manager port to 9600 by running configure serial.
  3. Access the Adapter console connection using the terminal command.
  4. Run the command BAUD <required baud rate> (e.g. BAUD 115200)
  5. Run the command USBBAUD <required baud rate> (e.g. USBBAUD 115200)
  6. Exit the console using the ~[ENTER] command and reset the port baud rate using configure serial

Setup complete

The USB Console Adapter does not require any further configuration. If power is lost, the connection will drop. Communication will resume when power is restored.

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