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CHAPTER
5-1
Cisco BPX 8600 Series Installation and Configuration
Release 9.3.10, Part Number 78-11603-01 Rev. D0, July 2001
5
BXM Card Sets: T3/E3, 155, and 622
This chapter describes the physical BXM card sets, their major circuit functionality, and technical
specifications:
• Overview: BXM Cards
• BXM Capabilities
• Enhanced BXM
• BXM Front Card Indicators
• BXM Backcard Connectors
• Automatic Protection Switching Redundancy
• BXM Functional Description
• Fault Management and Statistics
• Technical Specifications
The BXM set includes these cards:
• BXM T3/E3
• BXM-155
• BXM-622
The BXM cards may be upgraded to Enhanced BXM. Enhanced BXM cards improve upon the current
BXM cards by delivering even more cost-effective ATM switching and traffic management. The
Enhanced BXM cards support up to 12 ATM interfaces per card at speeds from T3/E3 to OC-12/STM-4.
The BXM cards may be configured for either:
• Trunk mode
In Trunk mode, BXM cards provide BPX network interfaces.
• Service mode.
In service (port UNI) mode, BXM cards provide service access to customer premise equipment.
The BXM cards support Multiple Protocol Label Switching (MPLS). For information on MPLS, refer
to The MPLS Controller Software Configuration Guide.
Partitions for the BXM can be allocated between either:
• SVCs and PVCs, or
• Label switching virtual circuits (LVCs) and PVCs.