Chengdu Ebyte Electronic Technology Co., Ltd.
E18-DTU Series User Manual
Copyright © 2012–20 23 , Chengdu Ebyte Electronic Technology Co., Ltd.
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6.1.3 Multicast mode
In the multicast mode, first set the group number (grouping) for the devices in the network, the sending device must specify the
target group number, set the target short address and target port, and then the sending device sends the data received by the serial port
to the network , devices with the same group number in the network will receive the data.
6.2 The way of sending data in HEX command mode
In the HEX command mode, any message (including transparent transmission data message, ZigBee control command, and other
manufacturer's ZigBee device command) can be sent to the specified target device (unicast, multicast, broadcast), and the sending
format can be found in "Ebyte ZigBee3.0 Module HEX Command Standard Specification"
Chapter 7 Application Function
7.1 Function
7.1.1 Detailed explanation of LINK light
The LINK light is used to indicate the current network status of the module. After the device is successfully connected to the
network, the LINK light is always on, and when the device has no network, the LINK light is off; in the coordinator mode, this pin
indicates whether the module has established a network normally, and the LINK light of coordinator and router flashes at 1Hz during
“OPEN net”; In the router/terminal node mode, the device enters the configure network mode, and the LINK light flashes at a
frequency of 10Hz. After successfully connecting to the network, the LINK light will flash 6 times at 3Hz. If the router is successfully
connected to the network for the first time, the LINK light will continue to 1Hz Blinking, indicating that the router can complete the
relay function within the coverage of the coordinator, and the terminal node is always on. After the coordinator ends the open network,
the LINK light of the router also keeps on . In the terminal node mode, if node is disconnected, the LINK light flashes 3 times per
second at a continuous 5Hz..
7.1.2 Detailed Explanation of RUN Light
The RUN light indicates the current working status of the device. The RUN light flashes at 1Hz in the marking mode of the
device; press and hold SMART for a long time or press and hold SMART after power on, the RUN light is on to indicate that the
button is active, and then the button can be released.
Summary of Contents for E18-DTU Series
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