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AT commands
Addressing discovery/configuration commands
AG (Aggregator Support)
The AG command sends a broadcast through the network that has the following effects on nodes that
receive the broadcast:
The receiving node establishes a DigiMesh route back to the originating node, if there is space
n
in the routing table.
The DH and DL of the receiving node update to the address of the originating node if the AG
n
parameter matches the current DH/DL of the receiving node.
API-enabled devices with updated DH and DL send an Aggregate Addressing Update frame
n
(0x8E) out the serial port.
Parameter range
Any 64-bit number
Default
N/A
DN (Discover Node)
Resolves an NI (Node identifier) string to a physical address (case sensitive).
The following events occur after DN discovers the destination node:
When DN is sent in Command mode:
1. The device sets DL and DH to the extended (64-bit) address of the device with the matching NI
string.
2. The receiving device returns OK (or ERROR).
3. The device exits Command mode to allow for immediate communication. If an ERROR is
received, the device does not exit Command mode.
When DN is sent as an API frame, the receiving device returns 0xFFFE followed by its 64-bit extended
addresses in an API Command Response frame.
Parameter range
20-byte ASCII string
Default
N/A
ND (Network Discover)
Discovers and reports all of the devices it finds on a network. The command reports the following
information after a jittered time delay.
MY<CR>
SH<CR>
SL<CR>
DB<CR> (Contains the detected signal strength of the response in negative dBm units)
XBee 868LP RF Modules User Guide
Addressing discovery/configuration commands
137
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