
Configuring Line Services
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Enabling or Disabling the Asynchronous Driver
The BayStream software enables asynchronous line services when you add the
interface. You can disable and reenable the interface without moving any physical
cabling.
Setting the Maximum Transmission Unit (MTU)
By default, the BayStream software can transmit packets up to 1000 bytes on an
asynchronous interface via the Transmission Control Protocol (TCP). This value
is the MTU. You can set the MTU to a value from 3 through 1580 bytes on this
interface.
Specifying the Start Protocol
There are three options for the start protocol for an asynchronous TCP
connection:
• Answer -- Advises local TCP to wait for a connection request
• Loop -- Performs asynchronous cable testing
• Originate -- Advises local TCP to initialize a connection to the specified
remote IP address, specified in the Remote IP Address parameter
You can select the start protocol for this interface.
Note: If you configured an ASN or BN with an Octal Sync link module, the
Configuration Manager displays the Edit ASYNC Parameters window when
you select the asynchronous protocol from the WAN Protocols window for a
COM port line. Use the window’s scroll bar to view all of the asynchronous
line parameters.
Site Manager: Enable parameter: page A-14
Site Manager: MTU parameter: page A-15
Site Manager: Start Protocol parameter: page A-15
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