Laird WB50NBT Bedienungsanleitung

Quick Start Guide

WB50NBT

Version 1.1

WB50NBT

Quick Start Guide

Embedded Wireless Solutions Support Center:

http://ews-support.lairdtech.com

www.lairdtech.com/wi-fi

Americas: +1-800-492-2320

Europe: +44-1628-858-940

Hong Kong: +852 2923 0600

REVISION HISTORY

Version

Date

Notes

Approver

1.0

04 April 2016

Initial Version

Andrew Dobbing

1.1

01 May 2017

OS Support

Jay White

WB50NBT

Quick Start Guide

Embedded Wireless Solutions Support Center:

http://ews-support.lairdtech.com

www.lairdtech.com/wi-fi

Americas: +1-800-492-2320

Europe: +44-1628-858-940

Hong Kong: +852 2923 0600

CONTENTS

Revision History..........................................................................................................................................................2

Contents .....................................................................................................................................................................3

Introduction to the Laird WB50NBT...........................................................................................................................4

Product Description................................................................................................................................................4

Quick Start Guide –WB50NBT ...................................................................................................................................4

Inventory of Equipment .........................................................................................................................................4

Additional Required Equipment .............................................................................................................................5

Hardware Installation and Configuration...............................................................................................................5

Basics of the BB40NBT Board .................................................................................................................................6

Initial Serial Communication with the WB50NBT...................................................................................................7

Minicom Setup ...................................................................................................................................................8

Serial Port Configuration ....................................................................................................................................8

Important Note about No Serial Output.............................................................................................................8

ssh communication over Ethernet and USB Ethernet............................................................................................9

Laird CLI Basics........................................................................................................................................................9

Configuring the WB50NBT................................................................................................................................... 10

Bluetooth............................................................................................................................................................. 11

WB50NBT File System ......................................................................................................................................... 12

WB50NBT

Quick Start Guide

Embedded Wireless Solutions Support Center:

http://ews-support.lairdtech.com

www.lairdtech.com/wi-fi

Americas: +1-800-492-2320

Europe: +44-1628-858-940

Hong Kong: +852 2923 0600

INTRODUCTION TO THE LAIRD WB50NBT

The Laird WB50NBT Wireless Bridge module is a wireless communications subsystem that may be integrated

into a variety of host devices via a number of available electronic and logical interfaces.

Interfaces

Features

Specifications

Fast Ethernet

Serial UART

USB

SPI (master)

I2C

MMC/SDIO

GPIO

Bluetooth PCM

120-pin board with mating options

Cortex A5 processor (536MHz)

64 MB of LPDDR (Lower Power DDR)

memory

128 MB of NAND flash storage

Length: 47 mm

Width: 37 mm

Height: 4.9 mm

Product Description

The Laird WB50NBT provides complete enterprise-class Wi-Fi connectivity with an integrated TCP/IP stack, full

support for 2 x 2 MIMO IEEE 802.11a/b/g/n, Bluetooth 4.0 dual-mode wireless standards, three-wired

coexistence scheme, a fully integrated security supplicant providing 802.11i/WPA2 Enterprise authentication

and data encryption, and a BT protocol stack. The system is a full Linux 4.1.13 kernel based system with

modifiable file system allowing custom applications to run alongside system applications.

The WB50NBT is a fully integrated module with RF shielding and two U.FL type antenna connectors providing

two stream MIMO operation for maximum data rate. The Main antenna (for Wi-Fi only) and the Auxiliary

antenna (for Wi-Fi and Bluetooth) work together with the three-wired coexistence scheme to provide the best

coexistence performance.

Note: For additional information on the hardware aspects of the WB50NBT, please refer to the WB50NBT

Datasheet (Hardware Integration Guide) available on the WB50NBT Product Page.

QUICK START GUIDE –WB50NBT

Inventory of Equipment

Qty.

Item

WB50NBT device

BB40NBT Breakout board

U.FL ultra-micro coax cable male to male SMA plus two nuts and washers

Dual band 2.5G and 5G antenna with reverse female SMA connector

Standoffs and nuts

Small Philips head screws

Power supply 12V 1A positive center with wall (US/European) adapter cable

WB50NBT

Quick Start Guide

Embedded Wireless Solutions Support Center:

http://ews-support.lairdtech.com

www.lairdtech.com/wi-fi

Americas: +1-800-492-2320

Europe: +44-1628-858-940

Hong Kong: +852 2923 0600

Additional Required Equipment

Qty.

Item

Small Philips head jeweler’s screw driver

USB to RS232 DB9/DB25 cable

CAT 5 e cable (optional)

USB A to USB B cable (optional)

Hardware Installation and Configuration

To assemble the WB50NBT evaluation kit, follow these steps:

Note: To prevent damage, you must connect the U.FL ultra-micro coax cables to the connectors on the

WB50NBT prior to fitting the WB50NBT to the BB40NBT evaluation board.

1. Using the four nuts provided, attach the four standoffs to the underside corners of the BB40NBT board.

2. Before fitting the WB50NBT to the BB40NBT evaluation board, turn the WB50NBT so that the 120 way is

on the underside of the board.

3. Connect the dual band antennas with an SMA connector to each of the AUX. ANT and MAIN ANTENNA

SMA connectors on the top side of the BB40BNT board. Figure 1 shows the location of the Wi-Fi and Wi-Fi

/Bluetooth antennas. This information is also available on the silk screen on the WB50NBT.

4. Plug the WB50NBT module into the 120-pin high-density Kyocera connector situated near the central

aperture on the BB40NBT breakout board making sure to feed the two SMA connectors on the ends of the

U.FL coax cables through the aperture in the BB40NBT breakout board.

Figure 1: Location of the Wi-Fi and Bluetooth U.FL connectors on the SDB-WB50NBT

5. Using the small Philips head jeweler’s screw driver, secure the WB50NBT to the BB40NBT board using the

three small Philips screws.

6. Feed the SMA connector connected to the ANT0 WI-FI to the aperture marked MAIN ANTENNA on the

BB40NBT board and, using the provided nuts and washers, secure the SMA connector to the BB40NBT

board.

7. Repeat for the ANT1 Wi-Fi and BT SMA, this time to the aperture marked AUX. ANT on the BB40NBT

board.

You can power the BB40NBT from mains power using the 12v power pack provided. Figure 2 shows the DC

jack and the power switch. Ensure the power switch is set to Off.

Wi-Fi only antenna

cable connected to

U.FL connector

Wi-Fi and BT antenna cable

connected to U.FL connector

WB50NBT

Quick Start Guide

Embedded Wireless Solutions Support Center:

http://ews-support.lairdtech.com

www.lairdtech.com/wi-fi

Americas: +1-800-492-2320

Europe: +44-1628-858-940

Hong Kong: +852 2923 0600

8. Connect the power supply to the wall outlet and put the barrel into the DC jack connector on the BB40NBT

breakout board as shown in Figure 2.

Figure 2: Power source

Basics of the BB40NBT Board

The Laird WB50NBT is a flexible communications module providing a variety of interfaces which are made

available on the BB40NBT shown in Figure 3. Additional information regarding all interfaces, their use and

configuration is available in the WB50 Reference Guide. This guide is accessible from the WB50NBT product

page.

Figure 3: BB40NBT Evaluation Board

The WB50NBT is configurable via either the command line or the web-based version of the Laird Configuration

Manager (LCM). WebLCM is explained further in Web LCM Linux Platform Application Note which is available

from the Documentation tab of the Laird WB50NBT product page.

RED LED - D20

Power Switch

DC Jack

SD Card

Slot

Ethernet

USB0

Host

120 Pin WB50NBT Connector

USB1

Host

Main Wi-Fi Antenna

Wi-Fi and BT

Antenna

Debug UART

On/Off

Switch

UART 0

UART 3

Reset

USB

Device

WB50NBT

Quick Start Guide

Embedded Wireless Solutions Support Center:

http://ews-support.lairdtech.com

www.lairdtech.com/wi-fi

Americas: +1-800-492-2320

Europe: +44-1628-858-940

Hong Kong: +852 2923 0600

This section briefly details each interface available on the BB40NBT board.

Debug UART –Used for CLI communications with the WB50NBT module

UART0 –Spare UART

UART 3 –Unused

USB device

–Available for USB device/gadget operation

–By default, the port is in Ethernet gadget mode

–The IP address of the port defaults to 192.168.3.1

–The WebLCM is always available on this port

USB0 host

–Available for USB HOST operation.

–Use for flash upgrade capability of the WB50NBT

USB1 host

–Available for USB HOST operation.

–Use for flash upgrade capability of the WB50NBT

Ethernet jack

–The WebLCM is always available on the Ethernet port

–The IP address for this port is provided by the DHCP server to which the WB50NBT is connected

Initial Serial Communication with the WB50NBT

The following items are used in this section:

Qty.

Item

BB40NBT breakout board with WB50NBT module fitted as described above

USB to RS232 cable

Power supply 12V/1A with wall (US/European) adapter cable

USB A to USB B cable (optional)

Ethernet cable (optional)

To communicate with the WB50NBT, follow these steps:

Ensure you have loaded the driver for your USB-to-RS232 cable of choice on your host machine.

Depending on your cable, the drivers may be automatically installed by your operating system. If they are

not, you must download and install the device drivers for the cable.

Connect the USB A-type connector of the USB-to-RS232 cable to the computer. Your computer should

recognize the USB-to-serial adapter and load the appropriate drivers.

Connect the DB9 connector of your USB-to-RS232 cable to the port marked Debug UART shown in the

BB40NBT overview diagram Figure 3.

Note: The terminal emulator used depends on the host operating system.

To send commands to the WB50NBT, download and set up a terminal emulator such as Putty or Minicom

for a Linux host. There are a variety of available emulators.

WB50NBT

Quick Start Guide

Embedded Wireless Solutions Support Center:

http://ews-support.lairdtech.com

www.lairdtech.com/wi-fi

Americas: +1-800-492-2320

Europe: +44-1628-858-940

Hong Kong: +852 2923 0600

Minicom Setup

To set up Minicom on Ubuntu Linux host, follow these steps:

At the command prompt, type sudo apt-get install minicom.

Open Minicom (sudo minicom –D /dev/ttyUSBn –b 115200 -8 –o –l) where ttyUSBn matches the

enumerated USB virtual serial port. This command line provides the correct configuration requirements to

the Minicom application

Serial Port Configuration

No matter which terminal emulation program you are using, you must configure the serial port to match the

requirements of the WB communications.

Adjust the settings (as needed) according to the following:

Port

Must match the COM port of your USB-to-RS232 cable

Baud Rate

115200 (TeraTerm defaults to 9600 baud communications)

Data

8 bit

Parity

None

Stop

1 bit

Flow Control

None

Start Communication with the WB50NBT from the Host

Connect the 12v power supply to the wall outlet and the barrel connector to the SC jack on the BB40NBT

breakout board.

Slide the power switch (shown in Figure 2) to On to power WB50NBT. The Red LED D20 on the BB40NBT

board lights up.

Wait until the WB50NBT is done booting and you see the following prompt:

Summit Data Communications

summit login:

Enter the username and password. The default user name is root and the default password is summit.

Note: When entering the password, don't be alarmed if text or asterisks do not show. This is normal

operation in Linux.

Assuming all settings have been set properly, you should now be able to communicate with the WB50NBT.

The terminal presented now is the Linux shell on board the WB50NBT and behaves likewise. After logging

in, the following should display to indicate that you are now in the Linux shell: #

Important Note about No Serial Output

In some BB40NBT boards, the UART_3V3 jumper nearest the Debug UART port can become loose or unseated,

which results in no serial output.

If you find you have no serial output, check that this jumper is tightly seated (Figure 4).

WB50NBT

Quick Start Guide

Embedded Wireless Solutions Support Center:

http://ews-support.lairdtech.com

www.lairdtech.com/wi-fi

Americas: +1-800-492-2320

Europe: +44-1628-858-940

Hong Kong: +852 2923 0600

Figure 4: UART_3V3 jumper

ssh communication over Ethernet and USB Ethernet

It is also possible to communicate with the WB50NBT CLI from the host using ssh over USB Ethernet and if

required Ethernet.

USB Ethernet

You will need the USB A to USB B cable for this operation.

The USB Ethernet IP address defaults to 192.168.3.1.

Plug the USB A connector into your host and the USB B into the USB Device connection on the BB40NBT board.

IP Address Setup

On Ubuntu the USB drivers should load automatically. The IP address of the host connection will need to be

configured manually to match the following.

Address:192.168.3.2

Netmask: 255.255.255.0

Gateway: 192.168.3.1

DNS servers: 8.8.8.8

Once the connection to the WB50NBT has been established an ssh client (e.g. putty) can be used on the host to

connect to port 22.

Ethernet

If required, it is possible to connect via ssh to the WB from the host over Ethernet however this first requires

modification of the /etc/network/interfaces file on the WB to change the default behavior of the Ethernet port.

This first requires using the serial or USB Ethernet interface as described above to access the WB over the CLI.

Further instruction on changing the /etc/network/interfaces file is available in the Reference Manual.

Laird CLI Basics

The Laird CLI provides a command line interface to control the Wi-Fi features of the WB50NBT.

The Linux shell prompt is represented by the #symbol. From the prompt, enter sdc_cli to start the Laird CLI.

When the Laird CLI starts, the prompt changes to sdc#.

WB50NBT

Quick Start Guide

Embedded Wireless Solutions Support Center:

http://ews-support.lairdtech.com

www.lairdtech.com/wi-fi

Americas: +1-800-492-2320

Europe: +44-1628-858-940

Hong Kong: +852 2923 0600

Full information on the commands available within the CLI is available from the Documentation tab of the Laird

WB50NBT product page.

Information regarding using the CLI commands is also available by typing help at the sdc# prompt. Additional

help is available for the commands iface,profile,global and auto-profile using the syntax <command> help

at the sdc# prompt.

To see the status of the WB50NBT, type status at the sdc# prompt. The returned status should resemble

the following.

Status: Not Associated

Config name: Default

SSID:

Channel: 0

RSSI: 0

Device Name:

MAC: 00:17:23:e0:38:e4

IP: 192.168.1.1

IPv6:

AP Name:

AP MAC:

Bit Rate: auto

Tx Power: 0 mW

Beacon Period: 0

DTIM: 0

To exit from the sdc# prompt at any time, enter the command exit. You will be returned to the Linux shell

prompt, #.

Configuring the WB50NBT

The WB50NBT can be configured using the sdc_cli interface. To configure it, follow these steps:

At the sdc# prompt type scan. This generates a list of available networks currently visible to the WB.

Select the appropriate AP and provide the credentials.

For example, to create a profile quickStart for an AP with SSID quickStartSSID using WPA2 PSK with a

password quickStartPSK, use the following commands:

profile quickStart add

profile quickStart set ssid quickStartSSID

profile quickStart set weptype wpa2-psk

profile quickStart set psk quickStartPSK

profile quickStart activate

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