Bay Networks 5390 Administering page 150

Communications server

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See the appropriate system documentation for the required steps.

To access an adaptive and auto_adapt modem:

Use the rtelnet utility to create a special ﬁle that references the Model 5390 port.

Using rtelnet allows setting up the application as if /dev/modem is directly connected. The

following example ties /dev/modem to port 13 on the Model 5390 server named 5390_02 .

# rtelnet –fmr 5390_02 13 /dev/modem

In this example, the –f argument instructs the Model 5390 server to release the port when the

device is no longer using it, thus releasing the port for use as a CLI. The –m argument instructs

the Model 5390 server to momentarily drop the network connection to the Model 5390 port

when the pseudo device is closed; it also causes the modem to hang up when the application

exits. The –r argument directs rtelnet to remove the device name if it already exists; without

–r, rtelnet exits with an error message if the device name already exists.

Add rtelnet to /etc/rc (or the appropriate ﬁle) so that the special ﬁle is created when the

system boots.

Conﬁgure the application to use the special ﬁle created by rtelnet to access the

See the appropriate system documentation for the required steps.

NOTE: If the system uses a name server to translate host names to Inter-

net addresses and you use the Model 5390 name in the rtelnet command,

make sure that the Model 5390 server is listed in the name server data-

base and that the name server is started before the rtelnet command.