AT commands Network and security commands
Digi XBee3® 802.15.4 RF Module User Guide
83
WARNING! If the NT setting is small relative to the number of devices on the network,
responses may be lost due to channel congestion. Regardless of the NT setting, because
the random offset only mitigates transmission collisions, getting responses from all devices
in the network is not guaranteed.
Parameter range
20-byte printable ASCIIstring
Default
N/A
DN command
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 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, then Command mode does not exit.
When DN is sent as a local AT Command API frame:
1. The receiving device returns the 16-bit network and 64-bit extended addresses in an API
Command Response frame.
2. If there is no response from a module within (NT* 100) milliseconds or you do not specify a
parameter (by leaving it blank), the receiving device returns an ERROR message. In the case of
an ERROR, the device does not exit Command mode. Set the radius of the DN command using
the BH command.
When DN is sent as a local AT Command Frame - 0x08:
1. The receiving device returns a success response in a AT Command Response frame - 0x88.
2. If there is no response from a module within (NT * 100) milliseconds or you do not specify a
parameter (by leaving it blank), the receiving device returns an ERROR message.
Parameter range
20-byte ASCII string
Default
N/A
NT command
Sets or displays the amount of time a base node waits for responses from other nodes when using the
ND (Node Discover) command. The NT value is transmitted along with the ND command; remote
nodes set up a random hold-off time based on this timeout. Once the ND command has ended, the
base discards any responses it receives.
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