Beta Draft Confidential
2-101/19/05 ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000
About ATM Logical Ports
ATM Direct Trunk
Before IP can assign PVPs and VCCs, you must specify specific VPI values and
ranges of VPI values for each logical port endpoint of the OPTimum trunk. You
specify these values on the OPT Trunk VPI Range Attributes dialog box. See the IP
Services Configuration Guide f
or CBX 3500, CBX 500, and B-STDX 9000 for more
information.
ATM Direct Trunk
The CBX 3500, CBX 500, GX 550, and B-STDX 9000 ATM direct trunk is used to
provide trunk connectivity between two directly connected Lucent switches. The ATM
direct trunk carries all types of PVC, SVC, trunk protocol, and management data
between the Lucent switches.
ATM CE
The ATM CE logical port type can be configured on the following:
• 60-port Channelized T1/E1 CE IOM
• GX 550 ES DS3 CE Transport card physical port
You can configure one ATM CE logical port on each DS3 physical port. The ATM CE
logical port can be used as a PVC endpoint.
The ATM CE physical port, logical port, and circuit are used to provide an
unstructured DS3 service that emulates a point-to-point DS3 circuit configuration.
The CE service enables two devices to transparently pass a DS3 bitstream through an
ATM network, so that the two devices appear to be directly connected to each other.
The ATM network, in effect, is the wire used to pass the bitstream from one device to
the other.
Note – The product formerly called the GX 250 Multiservice Extender is now
referred to as the GX 550 ES (Extender Shelf) in the Navis EMS-CBGX interface.
The Navis EMS-CBGX interface may display features that are not available in this
release. For a complete list and explanation of each of the features that are supported
in this release, see the Navis EMS-CBGX Software Release Notice (SRN).
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