AT commands Addressing commands
XBee®-PRO 900HP/XSC RF Modules
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n XCTU prevents you from exceeding the string limit of 20 characters for this command. If you
are using another software application to send the string, you can enter longer strings, but the
software on the device returns an error.
Use the ND (Network Discovery) command with this string as an argument to easily identify devices
on the network.
The DN command also uses this identifier.
Parameter range
A string of case-sensitive ASCII printable characters from 0 to 20 bytes in length. A carriage return
or a comma automatically ends the command.
Default
0x20 (an ASCII space character)
NT (Node Discover Time)
Sets the amount of time a base node waits for responses from other nodes when using the ND
(Network Discover), DN (Discover Node), and FN (Find Neighbors) commands. When a discovery is
performed, the broadcast transmission includes the NT value to provide all remote devices with a
response timeout. Remote devices wait a random time, less than NT, before sending their response to
avoid collisions.
The N? command should be used to determine how long the actual discovery timeout will be based on
current device configuration.
Parameter range
0x20 - 0x2EE0 (x 100 ms)
Default
0x82 (13 seconds)
NO (Node Discovery Options)
Use NOto suppress or include a self-response to ND (Node Discover) commands. When NO bit 1 = 1, a
device performing a Node Discover includes a response entry for itself.
Use NOto suppress or include certain data in the ND (Node Discovery) response.
Parameter range
0 - 0x07 (bit field)
Bit field
Option Description
0x01
Append the DD (Digi Device Identifier) value to ND responses or API node identification
frames.
0x02
Local device sends ND or FN (Find Neighbors) response frame when the ND is issued.
0x04
Append the RSSI of the last hop to ND, FN, and responses or API node identification
frames.
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