Ap (Api Mode); Ao (Api Options) - Digi XLR PRO User Manual

AT commands
The device de-asserts CTS and/or send XOFF when FT bytes are in the UART receive buffer. It re-
asserts CTS when less than FT-16 bytes are in the UART receive buffer.
Parameter range
0x11 - 0x94F
Default
0x91F

AP (API Mode)

When you enable API, you must format the serial data as API frames because Transparent operating
mode is disabled.
The device ignores this command when using SPI, where API mode is always enabled.
Parameter range
0 - 2
Value Description
Transparent mode. API mode is off. All serial input and output is raw data and packets are
0
delineated using the RO and RB parameters.
1 API mode without escapes. The device packetizes all UART input and output data in API
format, without escape sequences.
2 API mode with escapes. The device is in API mode and inserts escaped sequences to allow
for control characters.
Default
0

AO (API Options)

Sets or displays the API data frame output format for received frames. Applies to both UART and SPI
interfaces.
Parameter range
0, 1
Value Description
0
API RX indicator (0x90)
1
API Explicit RX indicator (0x91)
Default
0
XLR PRO Radio Frequency (RF) Module User Guide
Serial interfacing commands
57