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CHAPTER 10: Switching Configuration
127
10.11 X.21 Switching Considerations
There is no special async channel configuration
required for use with X.21, with the following
possible exception. A special configuration is
required if you are trying to connect a port on the
Multiserver that requires a DTR protocol to a port
on a feeder mux (configured for DTR). Even
though the Multiserver can be set only for Data
Activity, the port, if configured for DTR at the
Connect Protocol Menu, will function as needed.
Note that the port disconnects only if the user
terminates a call; if the user walks away from the
terminal while it is in use, DTR stays high and the
link remains active. To overcome this situation, you
should create a special class for this port(s) and set
a No Activity timeout for it.
The following procedure shows you how to do this.
(Examples of responses to a prompt are in bold.)
The example assumes that the local node is named
DENVER.)
1. Create a class for the DTR channel.
2. Configure the port for DTR and assign it to
the class.
COMMAND FACILITY MAIN MENU [DENVER]
CONFIGURE LOCAL NODES
3
CONFIGURE LOCAL NODES [DENVER]
CLASS PARAMETERS
9
CONFIGURE LOCAL NODES [DENVER]
ASYNC CHANNEL
2
CLASS PARAMETERS MENU
CLASS NO ACTIVITY TIMEOUT
5
CLASS PARAMETERS MENU
PREVIOUS MENU
P
ENTER CLASS NUMBER (^X TO ABORT): 1
ENTER CLASS NO ACTIVITY
TIMEOUT [ 0]: 1
ENTER CLASS NAME []
(^X TO ABORT): DTR