Ct (Command Mode Timeout); Cn (Exit Command Mode); Gt (Guard Times); Cc (Command Character) - Digi XBee User Manual

AT commands

CT (Command Mode Timeout)

Sets or reads the Command mode timeout parameter. If a device does not receive any valid
commands within this time period, it returns to Idle mode from Command mode.
Parameter range
2 - 0x1770 (x 100 ms)
Default
0x64 (10 seconds)

CN (Exit Command mode)

Immediately exits Command Mode and applies pending changes.
Parameter range
N/A
Default
N/A

GT (Guard Times)

Set the required period of silence before and after the command sequence characters of the
Command mode sequence (GT + CC + GT). The period of silence prevents inadvertently entering
Command mode.
Parameter range
0x1 - 0x0CE4 (x 1 ms) (max of 3.3 decimal sec)
Default
0x3E8 (one second)

CC (Command Character)

Sets or reads the ASCII character value the device uses between Guard Times of the Command mode
sequence (GT + CC + GT). The Command mode sequence enters the device into Command mode.
For more information about Command mode sequence, see
Parameter range
0 - 0xFF
Default
0x2B (the ASCII plus character: +)

Sleep commands

The following AT commands are sleep commands.
XBee/XBee-PRO® S2C ZigBee® RF Module
Sleep commands
Command mode options.
252