CONTENTS
1Introduction to the Laird WB45NBT Device ...................................................................................................... 4
2Product Description........................................................................................................................................... 4
3Software ............................................................................................................................................................ 4
3.1 WB45NBT Usage........................................................................................................................................ 5
4Configuring IP Based Connectivity..................................................................................................................... 5
4.1 Choosing an Interface to the WB .............................................................................................................. 5
4.2 Configuring the WB to Use Layer 2 Bridging or Layer 3 NAT..................................................................... 6
4.3 Choosing Layer 2 Bridge or Layer 3 NAT –Use Cases................................................................................ 6
4.4 WB Configurations –Use Case Examples .................................................................................................. 8
4.5 Activating the New WB Configuration..................................................................................................... 12
5Set Up –USB Ethernet on a Host PC................................................................................................................ 12
6Setting Up a PPP Link Over RS232 ................................................................................................................... 13
7Building the WB from Source .......................................................................................................................... 13
8Updating the WB50NBT Software ................................................................................................................... 14
8.1 Flash Programming Using fw_update ..................................................................................................... 14
8.2 Troubleshooting U-Boot .......................................................................................................................... 18
8.3 Flash Programming Using the Atmel SAM-BA Utility .............................................................................. 19
9Debugging........................................................................................................................................................ 19
9.1 Application Debugging ............................................................................................................................ 19
9.2 Connecting a Device or File to a Socket .................................................................................................. 19
9.3 Setting Up Stand-alone FTP, TFTP, and SSH servers................................................................................ 20
10 Breakout Board Schematic and BOM .......................................................................................................... 20
11 Developing and Integrating Using the Development Kit............................................................................. 20
11.1 Software Tools and Techniques............................................................................................................... 20
11.2 Finding Version Information.................................................................................................................... 21
12 Hardware Use Notes.................................................................................................................................... 21
12.1 GPIOs ....................................................................................................................................................... 21
12.2 Analog to Digital Converter ..................................................................................................................... 23
13 WB Security ................................................................................................................................................. 24
13.1 Solutions to Enhance Security ................................................................................................................. 24
13.2 Best Practices for Improving Wireless Network Security ........................................................................ 25
13.3 WB inetd and WB init-scripts .................................................................................................................. 25
WB inetd .......................................................................................................................................................... 25
WB init-scripts ................................................................................................................................................. 26
14 References ................................................................................................................................................... 28
15 More Information and Support ................................................................................................................... 28