X09-009PKC-RA Digi International/Maxstream, X09-009PKC-RA Datasheet - Page 25

• Manufacturer Part Number: X09-009PKC-RA
• Description: MOD RF 900MHZ 9600BPS RS232/485
• Manufacturer: Digi International/Maxstream
• Series: XStream™r

Specifications of X09-009PKC-RA

• Function: Transceiver, FHSS
• Modulation Or Protocol: FHSS, FSK
• Frequency: 900MHz
• Applications: ISM
• Interface: RS-232, RS-485
• Sensitivity: -110dBm
• Power - Output: 20dBm (100mW)
• Data Rate - Maximum: 10 kbps
• Voltage - Supply: 7 V ~ 18 V
• Package / Case: Module
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

© 2006 MaxStream, Inc. Confidential & Proprietary
XStream‐PKG‐R™ RS‐232/485 RF Modem – Product Manual v5.x00 [2006.02.24]
4.4. Command Descriptions
AM (Auto-set MY) Command
AT (Guard Time After) Command
BD (Interface Data Rate) Command
Commands in this section are listed alphabetically. Command categories are designated between
the “< >” symbols that follow each command title. XStream Modems expect numerical values in
hexadecimal and those values are designated by a “0x” prefix.
<Networking & Security> AM Command is used
to automatically set the MY (Source Address)
parameter from the factory-set modem serial
number. The address is formed with bits 29, 28 and 13-0 of the serial number (in that order).
<Command Mode Options> AT Command is used
to set the time-of-silence that follows the
command sequence character (CC Command). By
default, AT Command Mode will activate after one
second of silence.
Refer to the AT Commands section [p19] to view
the default AT Command Mode sequence.
<Serial Interfacing> BD Command allows the
user to adjust the UART interface data rate and
thus modify the rate at which serial data is sent
to the RF modem. The new baud rate does not
take effect until the CN command is issued. The
RF data rate is unaffected by the BD parameter.
Most applications will require one of the seven
standard baud rates; however, non-standard
baud rates are also supported.
Note: If the serial data rate is set to exceed the
fixed RF data rate of the modem,
may need to be implemented in the Flow Control
section [p13] of this manual.
Non-standard Interface Data Rates: When
parameter values outside the range of standard
baud rates are sent, the closest interface data
rate represented by the number is stored in the
BD register. For example, a rate of 19200 bps can be set by sending the following command line
"ATBD4B00". NOTE: When using MaxStream’s X-CTU Software, non-standard interface data rates
can only be set and read using the X-CTU ‘Terminal’ tab. Non-standard rates are not accessible
through the ‘Modem Configuration’ tab.
When the BD command is sent with a non-standard interface data rate, the UART will adjust to
accommodate the requested interface rate. In most cases, the clock resolution will cause the
stored BD parameter to vary from the parameter that was sent (refer to the table below).
Reading the BD command (send "ATBD" command without an associated parameter value) will
return the value that was actually stored to the BD register.
Table 4.2.
BD Parameter Sent (HEX)
Parameter Sent vs. Parameter Stored
1C200
12C
0
4
7
Interface Data Rate (bps)
flow control
115,200
115,200
19,200
1200
300
AT Command: ATAM
Binary Command: 0x3A (58 decimal)
Minimum firmware version required: 4.30
AT Command: ATAT
Binary Command: 0x05 (5 decimal)
Parameter Range: 0x02 – 0xFFFF
Number of bytes returned: 2
Default Parameter Value: 0x0A (10 decimal)
Related Commands: BT (Guard Time Before),
CC (Command Sequence Character)
AT Command: ATBD
Binary Command: 0x15 (21 decimal)
Parameter Range (Standard baud rates): 0 – 6
(Non-standard baud rates): 0x7D – 0xFFFF
Number of bytes returned: 2
Default Parameter Value: Set to equal to
modem’s factory-set RF data rate.
Minimum firmware version required: 4.2B
(Custom baud rates not previously supported)
Parameter
0
1
2
3
4
5
6
BD Parameter Stored (HEX)
[x 100 milliseconds]
Configuration
1B207
BAUD (bps)
12B
0
4
7
19200
38400
57600
1200
2400
4800
9600
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