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BXM T3/E3 Broadband Switch Module

Cell Buffering

• Large ingress and egress cell buffer architecture

• 204,800 to 1,024,000 cells stored per card

– Accommodate large traffic bursts

– Avoid network congestion and cell discard

– Suited to TCP/IP traffic

Intelligent QoS (Quality of Service) Management Suite

Connection Admission Control (CAC)

Automatic Routing Management

• Automatic end-to-end connection management mechanism

• Deterministically allocates bandwidth and routes VCs

autonomously over optimum network paths

• Automatic rerouting preserves service integrity during network

failures

Advanced CoS (Class of Service) Management

• Up to 16 class-of-service queues, with independent service

algorithms dedicated to each interface in the network

Optimized Bandwidth Management

• Dedicated queue- and rate-controlled servers for each VCC/

VPC

• Dynamic thresholding, providing fairness and more than

95 percent utilization

ATM-Frame Relay (FR) Service Interworking

• Provides transparent end-to-end connectivity, operating two

services on a single switch platform

Switched Virtual Circuits

• Signaling protocol per ATM Forum UNI Specification V.3.0

and V.3.1

• E.164/NSAP addressing per ATM Forum UNI

Specification V.3.1

• Support for Private Network-Network Interface (PNNI) per

ATM Forum PNNI Specification V.1.0

Fault Management and Reporting

• Compliant with Bellcore GR-253-CORE

Alarms

• Loss of Signal (LOS)

• Loss of Pointer (LOP)

• Loss of Frame (LOF)

• Loss of Cell Delineation (LOC)

• Alarm Indication Signal (AIS)

• Remote Defect Indication (RDI)

• Alarm integration up/down count

Performance Monitoring

• Performance monitoring provided for line, section, and path

• Bit Interleaved Parity (BIP) error detection

• Far-End Block Error (FEBE) count

• Unavailable Seconds (UAS)

• Errored Seconds (ES)

• Severely Errored Seconds (SES)

• Header Checksum (HCS) monitoring

Statistics

• ATM statistics collected on a per-VC basis

• Four levels of ATM-layer statistics collection provided

OAM

• Segment and end-to-end Operations, Administration and

Maintenance (OAM) loopbacks supported per Bellcore

TA-NWT-001248

• External OAM segment flows, consisting of segment loopback

cells per ATM Forum UNI Specification V.3.1 and ITU-T I.371

• Generation and detection of AIS and RDI OAM cells

• OAM cell generation and loopback facility supported for

diagnostics and self-test purposes

Network Management

• Management using Cisco Wan Manager

 software

• Simple Network Management Protocol (SNMP)-based

for configuration and statistics collection

• Graphical user interface

Summary of Contents for BPX-BXM-T3-12

Page 1: ...k platform that can deliver an unprecedented level of scalability performance and functionality at lower costs Such an ATM switching platform must support high speed interfaces with high port densities as well as advanced ATM traffic management capability Advanced ATM traffic management capabilities are implemented in a family of custom ASICs that enable high density high speed ATM interface modul...

Page 2: ...d ITU T I 371 UPC Ingress rate monitoring and discarding for Peak Cell Rate PCR Cell Delay Variation Tolerance CDVT Variable Bit Rate Service UPC per ATM Forum UNI Specification V 3 1 TM V 4 0 and ITU T I 371 UPC Ingress rate monitoring and cell tagging for PCR CDVT Sustainable Cell Rate SCR Maximum Burst Size MBS CLP tagging enabled or disabled on a per virtual circuit VC basis at the ingress sid...

Page 3: ...1 E 164 NSAP addressing per ATM Forum UNI Specification V 3 1 Support for Private Network Network Interface PNNI per ATM Forum PNNI Specification V 1 0 Fault Management and Reporting Compliant with Bellcore GR 253 CORE Alarms Loss of Signal LOS Loss of Pointer LOP Loss of Frame LOF Loss of Cell Delineation LOC Alarm Indication Signal AIS Remote Defect Indication RDI Alarm integration up down count...

Page 4: ...arm LED Red Card Active Standby Fail Port Active and OK Active remote alarm Active local alarm Product Number Enhanced Model Number of Ports per Card Ingress Cell Buffer cells Egress Cell Buffer cells Number of Connections per Card VC Merge Capable BXM T3 8 BXM E3 8 8 102 400 102 400 16 384 32 768 BXM T3 12 BXM E3 12 12 133 120 235 520 16 384 32 768 BXM T3 8E BXM E3 8E Yes 8 256 000 256 000 16 384...

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