User`s guide

9XTend™ RS-232/422/485 RF Modem User’s Guide
42
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.
SH (Serial Number High) Command
<Diagnostics> SH Command is used to set/read
the serial number high word of the RF modem.
SL (Serial Number Low) Command
<Diagnostics> SL Command is used to set/read
the serial number low word of the RF modem.
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
ld d (l d)
AT Command: ATSB
Binary Command: 0x37 (55 decimal)
Parameter Range: 0 - 1
Parameter Configuration
01 stop bit
12 stop bits
Default Parameter Value: 0
Number of bytes returned: 1
AT Command: ATSH
Binary Command: 0x25 (37 decimal)
Parameter Range (read-only): 0 - 0xFFFF
Default Parameter Value: varies
Number of bytes returned: 2
Related Commands: SL (Serial Number Low)
AT Command: ATSL
Binary Command: 0x26 (38 decimal)
Parameter Range (read-only): 0 - 0xFFFF
Default Parameter Value: varies
Number of bytes returned: 2
Related Commands: SH (Serial Number High)