Beta Draft Confidential
Configuring ATM Logical Ports on Frame-based Modules
About ATM Logical Port Functions
ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000 1/19/054-11
About ATM Logical Port Functions
Chapter 3 contains instructions for accessing the Add Logical Port dialog box and 
provides an overview of the tabs and fields contained in this dialog box. 
• To access the Add Logical Port dialog box, complete the steps in “Working With 
ATM Logical Ports” on page 3-2.
• To review information about this dialog box, see “Defining a Logical Port” on 
page 3-9.
About the ATM Logical Port Attributes 
When you define a new logical port, the Add Logical Port dialog box contains several 
tabs containing a variety of parameters that you must specify. Table 4-4 describes the 
options you can configure for each ATM logical port type. Keep in mind that some 
options are only available for certain card types and the attributes available on any tab 
may vary, depending on the type of service and card type.
Table 4-4. Add Logical Port Tabs
Tab Name Description Logical Port 
Type
Card Types
General Sets the Admin status, connection 
ID, resource partitioning, and net 
overflow.
All All
Administrative Specifies the number of channels 
allocated to each port, committed 
information rate (CIR) 
parameters, shaping type, and 
path trace parameters.
All All
ATM Sets the ATM parameters, which 
include the number of valid bits 
in the VPI/VCI, the ATM 
protocol, and the UNI type.
UNI DCE/DTE
ATM CS 
and IWU 
cards