Laird WB40NBT User manual

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Embedded Wireless Solutions Support Center:
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WB40NBT
Quick Start Guide
Version 2.0

Quick Start Guide
SDC-WB40NBT
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/wireless
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Americas: [phone]
Europe: [phone]
Hong Kong: [phone]
REVISION HISTORY
Revision
Date
Description
Approved By
1.0
21 March
2012
Initial version
Eric Bentley
1.1
2 Feb 2012
Reworked for BB rev 2 board
Eric Bentley
2.0
6 Feb 2015
Reworked for BB rev 3 board, general edits,
new photos.
Eric Bentley

Quick Start Guide
SDC-WB40NBT
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/wireless
3
Americas: [phone]
Europe: [phone]
Hong Kong: [phone]
Contents
Revision History............................................................................................................................................ 1
Contents ....................................................................................................................................................... 3
Inventory of Equipment .............................................................................................................................. 4
Hardware Installation and Configuration.................................................................................................. 4
Basics of the BB40NBT Board....................................................................................................................................6
Host Software Installation and Initial Communication with the BB40NBT...............................................................7
Laird CLI Basics ..........................................................................................................................................................9
WB40NBT File System...............................................................................................................................................9
Additional Documentation ....................................................................................................................... 10

Quick Start Guide
SDC-WB40NBT
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/wireless
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INVENTORY OF EQUIPMENT
Qty.
Item
1
Laird BB40NBT rev 2 Break out board (WB40NBT attached)
2
5 Ghz/2.4 Ghz sma (male) Antenna
2
U.FL (female) to SMA (female) Ultra Micro Coax Cable
2
Male/Female USB Extension Cable
4
WB40N riser assembly (4 Screws, 4 Nuts)
2
Antenna washers (unused with Rev 2 board)
2
Antenna nuts (unused with Rev 2 board
1
12v power supply
HARDWARE INSTALLATION AND CONFIGURATION
To connect the SDC-WB40NBT to a computer, follow these steps:
1. Attach the four riser assembly mounting screws onto the breakout board. These screws are installed
from the bottom of the breakout board.
2. Connect the 2 U.FL coax cables to the SDC-WB40NBT (the bottom of the smaller central board).
Connect the SMA end to an antenna.

Quick Start Guide
SDC-WB40NBT
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Figure 1: Antenna Cable Connections
3. (Rev 3 boards only) –Mount the antennae in the antenna holes on the BB40NBT rev 3 board. Use
the Antenna nut and washer to secure the antennae.
Note: (Rev 2 boards do not have antenna mounting holes)
4. Connect the Antennae to the SMA connectors.
5. Connect a USB-to-RS232 adapter to the position labeled DEBUG UART on the BB40NBT breakout
board.
Figure 2: RS232 Connection

Quick Start Guide
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6. Connect the power supply to the wall outlet; put the barrel into the DC connector on the breakout
board.
Figure 3: Power Supply Connection
Basics of the BB40NBT Board
The Laird WB40NBT is a flexible communications module providing a variety of interfaces which are made
available on the BB49NBT. Additional information regarding all interfaces and their usage and configuration is
available in the WB40 Reference Manual.

Quick Start Guide
SDC-WB40NBT
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Figure 4: BB40NBT Evaluation Board
The WB40NBT is configurable via either the command line or the web-based version of the Laird
Configuration Manager (LCM).
This section briefly details each interface available on the BB40NBT board.
Debug UART –used for CLI communications with the WB40NBT module
UART0 –Spare UART
UART 3 –unused
USB Host Devices
-Available for mass storage devices. These automount starting at /media/usb0
USB Device
-Available for gadget operation.
-By default, the port is disabled. Use the command:
# /etc/init.d/opt/S91g_ether start
to put in Ethernet gadget mode.
-The IP address of the Ethernet gadget port defaults to 192.168.3.1.
-The WebLCM is always available on this port when the Ethernet Gadget is enabled.
Ethernet jack
-The WebLCM is always available on the Ethernet port
-The IP address for this port is provided by the DHCP server the WB40BT is connected to
Host Software Installation and Initial Communication with the BB40NBT
The following items are used in this section:
Qty.
Item
1
BB40NBT Breakout board with WB40NBT module fitted as described above
1
USB to RS232 cable
1
Power supply 12V / 1A with wall (US/European) adapter
To set up the WB40NBT, follow these steps:
1. Ensure you have loaded the driver for your USB-to-RS232 cable. Depending on your cable, the
drivers may be automatically installed by your operating system. If they are not, you will need to
download and install the device drivers for the cable.
2. 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.
3. Connect the DB9 connector of your USB-to-RS232 cable to the port marked Debug UART shown in
Figure 2.
4. To send commands to the WB40NBT you will need to download and set up a terminal emulator,
such as Putty or TeraTerm, on your host. Note that a variety of emulators are available.
To download and set up TeraTerm, follow these steps:
1. Navigate to the Source-Forge (TeraTerm) website: http://en.sourceforge.jp/projects/ttssh2/releases/
2. Download the emulator.

Quick Start Guide
SDC-WB40NBT
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3. Run the downloaded file and navigate through the installer. Select the standard default settings
when prompted.
4. Open TeraTerm.
Upon opening, TeraTerm prompts for connection information. We are using a serial connection
(not the default TCP/IP).
5. Select Serial.
6. From the Port drop-down menu, choose the COM port which has a description similar to the
USB-to-RS232 cable you are using: e.g. Prolific Serial-to-USB Comm Port . Remember this COM port
number.
7. Set the serial port’s settings to match the WB40NBT’s communications protocol. To adjust settings,
navigate to Setup > Serial port.
8. 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
9. Press OK to save the settings and to return to the terminal.
Note: Assuming all settings have been set properly, you should now be able to communicate
with the WB40NBT. The terminal presented will be the Linux shell onboard the WB40NBT,
and behaves likewise.
10. Slide the Power switch to the ON position. A Red LED will light on the BB40NBT board. Wait until
the WB40NBT has completed booting and you see the prompt:
Summit Data Communications
summit login:
11. 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.
After logging in, the following should display to indicate that you are now in the Linux shell:
#

Quick Start Guide
SDC-WB40NBT
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/wireless
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Laird CLI Basics
The Laird CLI provides a command line interface to control the Wi-Fi features of the WB40NBT.
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 will change to “sdc#”.
Full information on the commands available within the CLI is available in the SDC_CLI guide, which is found in
the Documentation tab of the WB40NBT product page at lairdtech.com.
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 WB40NBT, type status at the sdc# prompt. The returned status should resemble
the following.
Status: AP mode
Config name: Default
SSID:
Channel: 0
RSSI: 0
Device Name:
MAC: 00:17:23:e0:38:e4
IP: 192.168.1.1
AP Name:
AP MAC:
AP IP:
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, #.
WB40NBT File System
This section details some important contents of the WB40NBT file system. For more in depth information
consult the WB40NBT reference manual.
Table 1: Main components
Directory
Content of note
Comment
/usr/bin
sdcsupp
Laird Supplicant
sdc_cli
Laird CLI
/usr/lib
libsdc_sdk.so.1.0
Laird SDK library
libsdc_sdk.so.1
A symbolic link to SDK library

Quick Start Guide
SDC-WB40NBT
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/etc/network
wireless.sh
Networking scripts. See the WB40
reference manual for details.
/etc/init.d
startup scripts
The lowest numbered startup scripts
are executed first.
/etc/init.d/opt/
optional startup scripts
Create a symlink to the item to be
started:
# ln -s
/etc/init.d/opt/<name-of-script>
/etc/init.d
/etc/ssl
default wifi certificate location
for all certificates
DO NOT put your certificates in
/etc/ssl/certs directory
/etc/summit/firmware
Various firmware files
Various firmware files for the WB40
wifi and BT radios
ADDITIONAL DOCUMENTATION
For more in depth documentation about the WB40NBT, including Hardware Integration Guide, Application
Notes, and more, visit the documentation tab of the WB40NBT product page at lairdtech.com