Hardware Auto Flow Control - Newland NLS-NVH300 Series User Manual

Hardware Auto Flow Control

If this feature is enabled, the cradle determines whether to transmit data based on CTS signal level. When CTS signal is at
a low level which means the serial port's cache memory of receiving device (such as PC) is full, the cradle sends data
through RS-232 port until CTS signal is set to high level by receiving device. When the cradle is not ready for receiving, it
will set RTS signal to low level. When sending device (such as PC) detects it, it will not send data to the cradle any more to
prevent data loss.
If this feature is disabled, reception/transmission of serial data will not be influenced by RTS/CTS signal.
@232AFL0
** Disable Hardware Auto Flow Control
Before enabling this feature, make sure that RTS/CTS signal lines are contained in RS-232 cable.
Without the signal lines, RS-232 communication errors will occur.
@232AFL1
Enable Hardware Auto Flow Control
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