Avaya Lucent 700013279 Cajun 80 Series 4-Port L2 Only GBIC Module (4589-821)

Overview
The Avaya Lucent Cajun 80 Series 4-Port L2 Only GBIC Module (part number 700013279, also known as 4589-821) is a compact, hot-swappable transceiver designed for high-density Ethernet switching environments. It provides reliable layer 2 connectivity for legacy and modern network equipment, enabling seamless integration of copper or fiber links in a space-saving form factor. This module is ideal for data centers, campus networks and enterprise backbones that require dependable performance without the overhead of layer 3 processing.

Key Features

• Four independent GBIC ports in a single module for maximum port density
• Layer 2 only operation reduces latency and simplifies configuration
• Hot-swappable design minimizes downtime during upgrades or maintenance
• Compatible with Avaya Lucent Cajun 80 series switches and chassis
• Supports full duplex operation for optimal throughput
• Robust mechanical construction for long-term reliability in rack environments

Technical Specifications

• Model/Part Number: 700013279 (4589-821)
• Form Factor: GBIC (small form factor pluggable)
• Port Count: 4 x GBIC
• Supported Media: Twinax copper or multimode fiber (depends on specific GBIC type installed)
• Data Rate: 10/100/1000 Mbps per port
• Operation Mode: Layer 2 only (no routing)
• Power Consumption: Low power draw, typical 2.5 watts per module
• Temperature Range: 0 to 40 degrees Celsius operating
• Storage Temperature: -40 to 85 degrees Celsius
• Compliance: IEEE 802.3, RoHS compliant

Applications

• Enterprise campus networks requiring high port density on core or distribution switches
• Data center top-of-rack or middle-of-rack switches where space is at a premium
• Legacy network upgrades that need to retain existing GBIC infrastructure
• Industrial or commercial environments that demand rugged, hot-swappable modules
• Telecom carrier back-office equipment that relies on layer 2 switching

By choosing the Avaya Lucent Cajun 80 Series 4-Port L2 Only GBIC Module, network administrators gain a flexible, reliable solution that maximizes port density while simplifying management through pure layer 2 operation. Its hot-swappable nature and broad compatibility make it a cost-effective upgrade path for growing networks.