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Programming Reference Digital Pad Settings
Revised April 2000 DBS-EX23-530 4-15
Trunk Port Settings
Parameter Trunk Port Class
Description By default, DBS trunks are assigned a circuit type, based on
whether they are analog or ISDN.
The circuit type is used with digital pad settings to determine the
loss/gain settings for connections to the ISDN. (See “Digital Pad
Setting” on page 4-12.)
The Port Class parameter is provided in case a specific trunk or
group of trunks needs a unique pad level.
For example, an ISDN in a slave cabinet is assigned by default as
“circuit type 6.” However, if a specific ISDN trunk in a slave has
inadequate volume levels, the circuit type for the ISDN trunk port
could be changed to 8 (Option 2). Once the port number is changed
to circuit type 8, the pad levels for circuit type 8 could be changed
to provide the correct volume setting.
Note:
Circuit types are also provided for station ports. See Figure
4-1 on page 4-12 for a definition of circuit types.
Programming FF2 (1-64)# 26# (5-8)#
Options This programming parameter will allow you to assign circuit types
1-12 to a trunk port. However, the only circuit types that should be
used with a ISDN trunk port are circuit types 5 to 8. (Circuit types
7 and 8 are used to assign unique PAD levels to circuits that
require special volume levels.)