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ZP9D-115RM-LR Radio Modem
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Refer to the ‘AT Command Mode’ section for more information regarding the AT Command
Mode Sequence.
CC (Command Sequence
Character) Command
<AT Command Mode Options>
The CC command is used to
set/read the ASCII character used
between guard times of the AT
Command Mode
Sequence (BT + CC + AT). This
sequence enters the module into
AT Command Mode so that data
entering the module (from the host) is recognized as commands instead of payload.
Refer to the ‘AT Command Mode’ section for more information regarding the AT Command
Mode Sequence.
CD (GPO2 Configuration)
Command
<Serial Interfacing> CD Command
is used to select/read the behavior
of the GPO2 line (pin 3).
AT Command: ATCC
Binary Command: 0x13 (19 decimal)
Parameter Range: 0x20 - 0x7F
Default Parameter Value: 0x2B (ASCII “+”)
Number of Bytes Returned: 1
Related Commands: AT (Guard Time After),
BT (Guard Time Before)
AT Command: ATCD
Binary Command: 0x28 (40 decimal)
Parameter Range: 0 - 8 (standard rates)
Parameter
Configuration
0
RX LED
1
Default High
2
Default Low
3
(reserved)
4
RX LED (valid
address only)
Default Parameter Value: 2
Number of Bytes Returned: 1