Name: 6 Port T3 Back Card
Brand: Cisco
Price: 6016.95 USD
Availability: InStock

Cisco 3OB4327 6 Port T3 Back Card

The Cisco 6 Port T3 Back Card (part number 3OB4327) is a high-performance interface module designed to expand the connectivity of Cisco routers and chassis systems. Engineered for demanding carrier and enterprise environments, this back-card delivers... Read More

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$6,016.95

In Stock: 3
Manufacturer: Cisco
Model or Part: 3OB4327
Condition: New
Weight: 14.00lb

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Item Condition

New - Sealed or Open Box Condition
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Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview
The Cisco 6 Port T3 Back Card (part number 3OB4327) is a high-performance interface module designed to expand the connectivity of Cisco routers and chassis systems. Engineered for demanding carrier and enterprise environments, this back-card delivers reliable T3 (45 Mbps) transmission across six dedicated ports, enabling seamless integration of voice, data, and video services.

Key Features

Six independent T3 ports for simultaneous high-speed circuits
Hot-swap capable for zero-downtime installation and maintenance
Built-in diagnostics and LED status indicators for quick fault isolation
Compact back-card form factor optimizes space within Cisco chassis
Supports both PRI and CAS signaling for versatile telephony deployments

Technical Specifications

Model/Part Number: 3OB4327
Port Type: T3 (45 Mbps) RJ-48C
Number of Ports: 6
Interface: Back-card, compatible with Cisco 3800, 3900 and ISR G2 series
Power Consumption: 12 W per card (typical)
Operating Temperature: 0 to 40 degrees Celsius
Dimensions: Standard back-card size (fits 19 inch rack)
Compliance: FCC Part 68, CE, RoHS

Applications
The 6 Port T3 Back Card is ideal for service providers and large enterprises that require robust T3 connectivity for:

Integrated voice over IP (VoIP) gateways
High-capacity video conferencing links
Secure data backhaul between regional sites
Multimedia streaming and content delivery networks
Legacy T3 circuit migration to modern IP-based infrastructures

By adding the Cisco 6 Port T3 Back Card, organizations can boost bandwidth, improve reliability, and future-proof their network architecture while maintaining the simplicity of a single, unified platform.