
BB-VESR90x Serial Servers
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SERVER SERIAL PORT NUMBER
The
Server Serial Port Number
of the currently selected port is shown
in this field.
•
Model BB-VESR901 serial server features one serial port.
•
Model BB-VESR902D serial server features two serial ports.
SERIAL WATCHDOG
Serial Watchdog
controls the duration of serial inactivity when the serial
port is determined idle and causes all connections for that serial port to
be forced closed. The range is 1 through 65535 milliseconds.
SUBNET MASK
The
Subnet Mask
specifies the network mask that the serial server uses
when on a sub-netted network.
•
For a Class A network (IP addresses 0.0.0.0 through
127.255.255.255) the default subnet mask is 255.0.0.0.
•
For a Class B network (IP addresses 128.0.0.0 through
191.255.255.255) the default subnet mask is 255.255.0.0
•
For a Class C network (IP addresses 192.0.0.0 through
233.255.255.255) the default subnet mask is 255.255.255.0
•
For a Class D network (IP addresses 224.0.0.0 through
239.255.255.255) and Class E Networks (IP addresses
240.0.0.0 through 255.255.255.255) the subnet mask is ignored.
BB-VESR90x serial servers ship from the factory with a default subnet
mask value of: 255.255.255.0