User's Manual

9XTend™ OEM RF Module - Product Manual v2.x6x
© 2010 Digi Internatonal, Inc. 24
BT (Guard Time Before) 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 [p17] 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 [p17] 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).
CF (Number Base) Command
<Command Mode Options> CF command is used
to set/read the command formatting setting.
The following commands are always entered and
read in hex, no matter the CF setting:
VR (Firmware Version)
HV (Hardware Version)
KY (AES Encryption Key)
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: 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
AT Command: ATCF
Parameter Range: 0 – 2
Parameter Configuration
0
Commands utilize default
number base; decimal
commands may output units
1
All commands forced to
unsigned, unit-less hex
2
Commands utilize their
default number base; no
units are output
Default Parameter Value: 1
Number of bytes returned: 1