10
Sirius A
User Manual
5.7.
LED
Sirius A
device has 2 LEDs placed in block E1.
Green LED: connected to GPIO_1 of the microcontroller.
Red LED: connected to GPIO_0 of the microcontroller.
By default, LEDs are configured as detailed below:
Red LED fast blinking: device is looking for a ZigBee™ network to join.
Red LED sporadic blinking: device is sending
Node Alive
6
signals, which indicate that the device is
connected to the ZigBee™ network.
Green LED fixed on
7
: device is connected to a ZigBee™ network.
When n-Core
®
locating functions are used, both LEDs remain switched off and blink simultaneously
when the device sends a
tags table
6
.
6.
Radio
Sirius A
devices include a transceiver that implements the IEEE 802.15.4/ZigBee™ standard. The power of the
signal can be configured by software, by means of n-Core
®
development API
6
.
Types of antenna:
Model SA2400: Internal ceramic antenna.
Model SA900-1: Internal ceramic antenna.
Model SA900-2: External antenna with RPSMA connector.
Transceiver:
Model SA2400: AT8 amplifier (up to +15dbm).
Models SA900-1 and SA900-2: AT86RF212.
7.
Firmware updates
Sirius
A firmware's updates optimize device performance, fix bugs and, in some cases, add new
functionalities.
In order to update the device's firmware in a safe way, please, download the n-Core
®
update package
and follow the instructions of use carefully. The update package can be downloaded from the support
section at
6
For further information, please, consult the n-Core® development API reference at www.nebusens.com
7
It is possible that both LED are turned off and the device is still connected to the ZigBee™ network. This could happen because of some routines loaded into the device.
IMPORTANT NOTE:
during the firmware update, it is necessary
to ensure the power supply in order to prevent any damage or
data loss. See section 3 of this manual.
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