Product manual

9XTend‐PKG‐R™RS‐232/485RFModem–ProductManualv1.2.4
©2005MaxStream,Inc.ConfidentialandProprietary 25
BR (RF Data Rate) Command
AT Command: ATBR
Binary Command: 0x39 (57 decimal)
Parameter Range: 0 – 1
Parameter
Value
BAUD (bps)
Configuration
0 9600
1 115200
Default Parameter Value: 1
Number of bytes returned: 1
<RF Interfacing> BR Command is used to set/read
the RF data rate (rate that RF data is transmitted
over-the-air) of the modem.
BT (Guard Time Before) Command
AT Command: ATBT
Binary Command: 0x04 (4 decimal)
Parameter Range: 0 – 0xFFFF
[x 100 milliseconds]
Default Parameter Value: 0x0A (10 decimal)
Number of bytes returned: 2
Related Commands: AT (Guard Time After),
CC (Command Sequence Character)
<Command Mode Options> BT Command is used
to set/read the time-of-silence that precedes the
command sequence character (CC Command) of
the AT Command Mode Sequence.
Refer to the AT Command Mode section [p18] to
view the default AT Command Mode Sequence.
CC (Command Sequence Character) Command
AT Command: ATCC
Binary Command: 0x13 (19 decimal)
Parameter Range: 0x20 – 0x7F
Default Parameter Value: 0x2B (ASCII “+”
sign)
Number of bytes returned: 1
Related Commands: AT (Guard Time After),
BT (Guard Time Before)
<Command Mode Options> CC Command is used
to set/read the ASCII character used between
Guard Times of the AT Command Mode Sequence
(BT+ CC + AT). The AT Command Mode Sequence
activates AT Command Mode (from Idle Mode).
[Refer to the BT (Guard Time Before) command to
view the sequence used to enter the RF modem
into AT Command Mode.
CD (GPO2 Configuration) Command
AT Command: ATCD
Binary Command: 0x28 (40 decimal)
Parameter Range: 0 – 2
Parameter
Value
Configuration
0 RX LED
1 Default high
2 Default low
Default Parameter Value: 2
Number of bytes returned: 1
<Serial Interfacing> CD Command is used to
select/read the behavior of the GPO2 line.
CF (Number Base) Command
AT Command: ATCF
Binary Command: 0x1F (31 decimal)
Parameter Range: 0 – 2
Parameter
Value
Configuration
0
Commands utilize default
number base; decimal
commands may output units
1
All commands are forced to
unsigned, unit-less hex
2
Commands utilize default
number base; no units output
Default Parameter Value: 1
Number of bytes returned: 1
<Command Mode Options> CF command is used
to set/read 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)