Juniper Networks SIB-S T320 SIB (Switch Interface Board T320)

Overview

The Juniper Networks T320 SIB (Switch Interface Board) is a high-performance, hot-swappable line card designed for the T320 chassis. It expands the switching capacity of your network by providing additional 10/100/1000BASE-T Ethernet ports in a compact form factor. Engineered for carrier grade reliability and low latency, the SIB enables seamless scaling of data center or service provider environments without disrupting existing traffic.

Key Features

• Supports up to 48 RJ45 ports per board with auto-negotiation for 10/100/1000 Mbps speeds
• Hot-swap capable - replace or upgrade modules without powering down the chassis
• Integrated diagnostics and LED status indicators for quick fault isolation
• Low power consumption and efficient thermal design for dense deployments
• Full compatibility with Juniper Networks JUNOS operating system and existing T320 management tools

Technical Specifications

• Form factor: Switch Interface Board (SIB) for T320 chassis
• Port type: RJ45 copper connectors
• Maximum port speed: 1000 Mbps per port
• Total ports per board: 48
• Power draw: approx 30 watts per board
• Operating temperature range: 0 to 40 degrees Celsius
• Humidity: 10 to 90 percent non-condensing
• Dimensions: fits standard T320 slot dimensions (no external protrusion)

Applications

• Enterprise campus networks that require scalable Ethernet aggregation
• Data center top-of-rack or end-of-row switches needing additional copper uplinks
• Service provider edge routers where low latency and high reliability are critical
• Industrial or commercial installations that benefit from hot-swap capability for minimal downtime
• Any Juniper T320 deployment looking to increase port density while maintaining a unified management plane