Beta Draft Confidential
2-21/19/05 ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000
About ATM Logical Ports
ATM UNI Concepts
ATM UNI Concepts
This chapter describes the following CBX 3500, CBX 500, and GX 550 logical port
types:
• UNI DCE and DTE
• OPTimum Cell Trunk
• Direct (Cell) Trunk
• Circuit Emulation (CE)
• NNI
• ATMoMPLS UNI/NNI
For information about the logical port types you can configure on B-STDX 9000,
CBX 3500, or CBX 500 frame-based modules, see Chapter 4, “Configuring ATM
Logical Ports on Frame-based Modules.”
Note – You can configure logical ports on an individual E1 channel only if the
channel is not IMA-enabled (that is, not configured as an IMA link in an IMA group).
You cannot define a logical port directly on the STM-1 physical port of the 1-port
channelized STM-1/E1 IMA IOM. This applies to CBX 500 IMA modules and CBX
3500 enhanced modules.
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