NXP Semiconductors JN516x-EK001, User Manual, Page: 44 / 86

Chapter 3
Smart Home Demonstration
44 © NXP Laboratories UK 2015 JN-UG-3093 v1.5

Remote Control Unit: This unit initially behaves as a WPAN Router until it has
joined the network and then acts as a ‘sleepy broadcaster’. In the latter mode,
the device sleeps and only wakes when it is needed to broadcast control
commands (it does not have the role of a conventional WPAN node). If
sleeping, the unit must be activated using the Wake (blue circle) button below
the keypad before any other keys are pressed - refer to
Appendix A.

JN5168 USB Dongle: Either dongle can be connected to the Raspberry Pi or
Linksys device. This combination provides the Border-Router which is the
interface between the WPAN and LAN/WAN domains - the dongle handles the
WPAN side of this interface. It is also the WPAN Co-ordinator.

Border-Router: The Raspberry Pi and Linksys devices are pre-programmed
with NXP firmware for JenNet-IP. The supplied device should be connected to a
JN5168 USB Dongle. This combination provides the Border-Router which is
the interface between the WPAN and LAN/WAN domains - the Raspberry Pi or
Linksys device handles the LAN/WAN side of this interface and connects to the
Ethernet network on which the controlling PC is located. For the Raspberry Pi,
a device containing a DHCP server (such as a Wi-Fi router) must also be
located on the LAN in order to provide IP addresses to clients (this is not
needed for the LInksys router, which handles DHCP serving itself).
Figure 32: Smart Home Demo System
USB Dongle
PC
Issues control
commands via
http interface
Ethernet
LAN
(IP)
JenNet-IP WPAN
(IEEE 802.15.4)
Border-Router
Carrier
Board
Light
Co-ordinator
USB
Carrier
Board
Light
Carrier
Board
Light
NXP
Light
Carrier
Board
Remote
Control Unit
Raspberry Pi
or
Linksys
DHCP Server
(for Raspberry Pi
only)