User manual

EKI-1521/1522/1524 User Manual 32
Ignore Purge
Some application program will purge the serial port while it is the first time opens this
serial port. You can ignore the purge command by enable this option.
Disable Character Timeout Detection
Enable this option will disable the serial port character timeout detection.
Disable Multiple Connection
Enable this option will disable the multi-access function, thus the only one TCP con-
nection is allowed on this serial port.
Buffer Data Size
It determines the internal buffer size to queue data to become a packet.
Port Timeout
It determines the time period that received data from serial port will be postponed.
RTL (Receiver Trigger Level)
It determines how often or when the receiver interrupt will be trigged.
TTL (Transmitter Trigger Level)
It determines how often or when the transmitter will be trigged.
FCL (Flow Control Low Trigger Level)
It determines when the transmission will be suspend or resume.
Write to FIFO
It determines the maximum characters will be wrote into one interrupt.
RTS Status
DTR Status //¥÷ÛwÞ÷
RTS, DTR signals are initially high level after booting. It determines the status of RTS
and DTR for following four options: ON, OFF, Toggle by connect, and Toggle by data.
3.5 Operation Mode Settings
3.5.1 Virtual COM Mode
The EKI-152X series serial device server extends traditional COM ports of a PC to
Ethernet access. Through Ethernet networking, users can control and monitor
Note! These settings are just for some special application cases. We recom-
mend do not enable the advanced settings in normal usage.