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Configuring DSL Connections (DSLTNT)
Configuring nailed connections
APX 8000/MAX TNT/DSLTNT Physical Interface Configuration Guide Preliminary May 9, 2000 17-5
• Set the Dial # parameter in the Configure profile to the DSL port number, which in the
case of a single DSLPipe is always 1.
To configure a switched connection on the DSLTNT for an incoming connection from a
DSLPipe, you must set the Call-Type parameter to Off in the Connection profile for the
DSLPipe. For example:
admin> read connection dslpipe-1
CONNECTION/dslpipe-1 read
admin>
set telco call-type = off
admin> write
CONNECTION/dslpipe-1 read
Configuring nailed connections
In a nailed connection, the DSLTNT and the remote unit always assume that the connection is
up and do not attempt to verify that the line is operational.
A nailed connection does not record accounting or authentication information after the session
is established and therefore cannot be used to bill for DSL service as if it were a call on an
ISDN network or the PSTN.
Nailed connections are typically used for Frame Relay connections, but PPP can also be used.
Voice calls are not supported over a nailed connection.
You specify whether an ADSL or SDSL connection is nailed by doing the following:
• Specifying a nailed group number in the ADSL or SDSL profile
• Setting Call-Type to FT1 in the Connection profile for the nailed connection
You specify whether an IDSL connection is nailed by doing the followings:
• Specifying a nailed group number in the IDSL profile
• Setting Channel-Usage to Nailed-64-Channel in the IDSL profile
• Setting Call-Type to FT1 in the Connection profile for the nailed connection
You configure the DSLPipe for a nailed connection in a similar way to other Pipeline nailed
connections:
• In the Configure profile, set Chan Usage to Leased/Unused.
• In the Connection profile for the DSLTNT, set Call Type to Nailed in the Telco Options
submenu.
• In the Connection profile for the DSLTNT, specify a Group number in the Telco Options
submenu.
“Sample DSL configurations” on page 17-22, provides examples of configuring nailed DSL
connections.