Configuration and commands Command mode options
XBee®-PRO 900HP/XSC RF Modules
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AT (Guard Time After)
Sets or displays the time-of-silence that follows the CC (Command Sequence Character) of the
Command mode sequence (BT + CC + AT). By default, one second must elapse before and after the
command sequence character.
The times-of-silence surrounding the Command Sequence Character prevent the device from
inadvertently entering Command mode.
Binary command
0x05 (5 decimal)
Parameter range
0x02 – 0xFFFF [x 100 milliseconds]
Default
0xA (1 second)
Bytes returned
2
BT (Guard Time Before)
Sets the DI pin silence time that must precede the Command Sequence Character (CC command) of
the Command mode sequence.
Binary command
0x04 (4 decimal)
Parameter range
2 - 0xFFFF [x 100ms]
Default
0x0A (1 second)
Bytes returned
2
CC (Command Sequence Character)
Sets or displays the character the device uses between guard times of the AT Command mode
sequence. The AT Command mode sequence causes the device to enter Command Mode (from Idle
Mode).
Note We recommend using the a value within the rage of 0x20-0x7F as those are ASCII characters.
Binary command
0x13 (19 decimal)
Parameter range
0x0 - 0xFF