Cisco BPX-BXM-155-8DX Installation And Configuration Manual page 604

Glossary
B
The Cisco Broadband Packet Exchange (BPX): A high-speed broadband, high-capacity ATM cell relay
BPX Switch
network switch from for private and public networks, with trunk and CPU hot standby redundancy.
An ATM label switch router consisting of a label switch controller (series 7200 or 7500 router) and a label
BPX-LSR
controlled switch (BPX switch).
ISDN interface composed of two B channels and one D channel for circuit-switched communication
BRI (Basic Rate
of voice, video, and data. Compare with PRI.
Interface)
Frame relay connections grouping a number of ports into one permanent virtual circuit.
bundled
connections
The BTM provides an ATM trunk interface for the IGX switch. The BTM operates in conjunction with
BTM (Broadband
Trunk Module) a backcard, AIT-T3, or AIT-E3.
BXM The Broadband Switch Module (BXM) cards are a series ATM port cards for the BPX switch: BXM-T3/E3,
BXM-155, or BXM-622. These can be configured for either trunk or line (service access) modes. These
cards and support ATM Traffic Management 4.0, including VSVD congestion flow control. Various port
configurations are supported by the BXM card: 8 DS3, 12 DS3, 4 OC-3, 8 OC-3, 1 OC-12 or 2 OC-12.
The Monarch chipset's architecture supports up to 64K bi-directional cross-connect legs per BXM card.
The BXM has very flexible input and output queueing facilities, a SAR (Segmentation Assembly and
Reassembly) capability, and a MIPS 4650 control processor.
Cisco BPX 8600 Series Installation and Configuration
4
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001