Westermo MRD-310, Reference Manual

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3.3.5 Connect on Demand
The connect on demand settings are only valid if the Wireless
connection state has been set to always connect, refer to sec-
tion 3.2.4.
The options are:
Idle time to disconnect:
Specify the time in minutes after the last data receive or
transmit to terminate the connection.
Minimum time between reconnections:
Specify the minimum time in seconds to re-connect to the
network after a disconnect from the network.
3.4 Circuit Switched Data (CSD) Mode
MRD-3xx can be configured to work in Circuit switched
Data (CSD) mode. This mode works in a similar manner to a
traditional dial-up unit. The MRD-3xx can be "dialed" by call-
ing its associated data number, the MRD-3xx will answer the
call and make a direct connection from the wireless port to a
serial port. Once connected all data coming into the wireless
port will be directed to the serial port and all data received
by the serial port will be directed to the wireless port. When
in CSD mode the MRD-3xx can only connect one serial port
to the wireless port. The LAN interface will still be active and
the MRD-3xx will still be accessible however no packet will
be able to be routed to the wireless port. The MRD-3xx can
operate in CSD "Single port" meaning only one serial port can
be accessed, or CSD "Multiplexed" meaning one of the serial
ports can be selected on connection.
Note:
This section does not describe the serial port configu-
ration, for details on configuring the serial ports refer to sec-
tion 7 Serial Server.