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C
mode is off). Note: It is recommended that the sleep time must be shorter than the data retention time of the parent node,
otherwise it will affect data reception
Short address communication is used for network communication. Note: The short address is randomly assigned when the
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device joins the network. The long address of the device MacAddress is the only fixed one. Check the short address of the
network on the WEB page and then perform point-to-point communication.
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The coordinator is unique in the network and the short address is fixed at 0000.
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If the unicast address is FFFF, FFFD, FFFC, they correspond to three broadcast modes respectively.
It is automatically assigned when the network parameter PANID is FFFF. If the device PANID is different, it cannot be
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networked.
The network key cannot join the network at the same time. E800-DTU (Z2530-ETH-27) network key is all on, and users
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cannot capture the correct air data through software capture.
All devices in the network have the broadcast function enabled. Multiple devices broadcasting at the same time or a single
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device with a higher frequency of broadcasting may cause serious network congestion. Please try to avoid this situation.
E800-DTU (Z2530-ETH-27) does not need to join this group when multicast. It can directly multicast to any group
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according to the communication usage method. After multicast, the local group number does not change due to different
multicast numbers。
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In the sleep state, the first frame of data is invalid for wake-up.
For communication in the ZigBee network, the single packet data sending cycle cannot be too fast (generally recommended
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above 1 second). Too fast may cause data loss. (Note: there are too many nodes in the network, and the broadcast cycle is
too fast may cause network instability.)
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Device communication single packet maximum allowed byte: 70Byte. If it exceeds 70Bytes, data communication may fail.
3.3 Special functions
3.3.1 web page configuration
DTU can be accessed through browser to configure web page. When web page is accessed, the access end and the
module need to be on the same LAN. After entering 192.168.4.101, user name and password, enter the web configuration
page.
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E800-DTU(Z2530-ETH-27) User Manual
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