Advantech EKI-1361 User Manual page 58

1/2-port rs-232/422/485 to 802.11b/g/n wlan serial device server
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Host Idle Timeout
The "Host Idle Timeout" setting monitors the connection between the host and
the device. If the "Host Idle Timeout" setting time is reached, the device server
will release the resources allocated to the port mapping. This prevents a stalled
host from affecting the connective device.
The EKI device provides Multi-access function through Ethernet connection
path. Allow the maximum of 5 connections to open one serial port simultane-
ously. In the mode, all connection has to use the same serial setting. If one
serial setting of these connections is different from others, the data communica-
tion may operate incorrectly.
There are two operating mode of Multi-access function. One is Normal mode;
another is Round-Robin mode.
Normal mode
Disabling "Response Timeout" parameter, the EKI device will operate in "normal
mode". When multiple hosts open the serial port simultaneously, the EKI device
only offers control ability for the first connected host and provides data commu-
nication function for others. Each serial port supports up to five simultaneous
connections, so multiple hosts can transmit/receive data to/from the same serial
port simultaneously. Every host can transmit data to the same serial port, and
the EKI device will also transmit data to every hosts. When the multiple hosts
transmit data to the same serial port at the same time, the received data from
Ethernet and the outputs of serial port are mixed. When the EKI device receives
data from serial port, the data will also be transmitted to the connected hosts
simultaneously.
Round-Robin mode:
Enabling "Response Timeout" parameter, the EKI device will operate in "Round-
Robin mode". Each serial port supports up to five simultaneous connections, so
multiple hosts can transmit/receive data to/from the same serial port simultane-
EKI-1361/EKI-1362 User Manual
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