Product manual
XStream‐PKG‐R™RS‐232/485RFModem–ProductManualv5.x00[2006.02.24]
BK (Serial Break Passing) Command
AT Command: ATBK
Binary Command: 0x2E (46 decimal)
Parameter Range: 0 – 1
Parameter Configuration
0 disable
1 enable
Default Parameter Value: 0
Number of bytes returned: 1
Related Commands: BO (Serial Break Timeout)
Minimum Firmware Version Required: 4.30
<Serial Interfacing> Pass a serial break condition
on the DI pin to the DO pin of another modem.
BO (Serial Break Timeout) Command
AT Command: ATBO
Binary Command: 0x30 (48 decimal)
Parameter Range: 0 – 0xFFFF [x 1 second]
Default Parameter Value: 0
Number of bytes returned: 2
Related Commands: BK (Serial Break Passing)
Minimum Firmware Version Required: 4.30
<Serial Interfacing> DO pin will return to default
after no serial break status information is
received during the timeout period.
Use with BK parameter = 1.
BT (Guard Time Before) Command
AT Command: ATBT
Binary Command: 0x04 (4 decimal)
<Command Mode Options> BT Command is
used to set the DI pin silence time that must
precede the command sequence character (CC
Command) of the AT Command Mode Sequence.
Parameter Range: 2 – 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)
Refer to the AT Commands section [p19] to view
the default AT Command Mode sequence.
CB (Connection Duration Timeout) Command
AT Command: ATCB
Binary Command: 0x33 (51 decimal)
<Networking & Security> Set/Read the
maximum amount of time an exclusive
connection between a base and remote modem
in a point-to-multipoint network is sustained. The
remote modem will disconnect when this timeout
expires.
Parameter Range: 0x01 – 0xFFFF
[x 100 milliseconds]
Default Parameter Value: 0x28 (4d seconds)
Number of bytes returned: 2
Related Commands: CE (Connection Inactivity
Timeout), DC (Disconnect), MD (RF Mode)
Minimum Firmware Version Required: 4.30
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 the ASCII character to be 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 AT Commands section [p
19] to view
the default AT Command Mode sequence.
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