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Command descriptions
9XTend-PKG-R RS-232/485 RF Modem User Guide
60
Exceptions: If the MT command in enabled (MT>0) or if a broadcast Destination Address is used (DT = 0xFFFF); RF
packet retries and ACKs are disabled.
After transmitting a packet, the transmitting RF modem waits to receive an acknowledgment from a receiving
modem. If the acknowledgment is not received in the period of time specified by RN (Delay Slots) Command, the
original packet is transmitted again. The RF packet is transmitted repeatedly until an acknowledgment is received or
until the packet is sent RR times.
RT (GPI1 Configuration) Command
<Serial Interfacing> The RT command is used to set/read the behavior of the GPI1 pin (GPI1) of the OEM RF Module.
The pin can be configured to enable binary programming or RTS flow control.
SB (Stop Bits) Command
<Serial Interfacing> The SB Command is used to set/read the number of stop bits in the data packet.
AT Command: ATRR
Binary Command: 0x18 (24 decimal)
Parameter Range:0 - 0xFF
Default Parameter Value: 0x0A (10 decimal)
Number of bytes returned: 1
AT Command: ATRT
Binary Command: 0x16 (22 decimal)
Parameter Range: 0 - 2
Parameter
Configuration
0
Disabled
1
Enable Binary Programming
2
Enable RTS Flow Control
Default Parameter Value: 0
Number of bytes returned: 1
Related Commands: SM (Sleep Mode), ST (Time before Sleep)
AT Command: ATSB
Binary Command: 0x37 (55 decimal)
Parameter Range: 0 - 1
Parameter Configuration
0
1 stop bit