Name: 1651-002 Line Controller - 24-Port Digital Interface
Brand: Cisco
Availability: InStock

Cisco 3651-002-06B 1651-002 Line Controller - 24-Port Digital Interface

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In Stock: 2
Manufacturer: Cisco
Model or Part: 3651-002-06B
Condition: Refurbished
Weight: 22.00lb

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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 3651-002-06B, marketed as the 1651-002 Line Controller, is a high-performance interface module designed to provide reliable voice and data line termination for enterprise telephony solutions. Engineered for seamless integration with Cisco Unified Communications Manager and other Cisco collaboration platforms, this line controller delivers robust connectivity, low latency and easy management in both small office and large campus deployments.

Key Features

Supports up to 24 analog voice ports per chassis slot
Integrated echo cancellation and gain control for crystal clear audio
Hot-swap capable design minimizes downtime during upgrades or maintenance
Full compatibility with Cisco Unified Communications Manager, Cisco Unity Connection and third party SIP gateways
Power over Ethernet (PoE) optional for simplified cabling in remote locations
Diagnostic LEDs provide instant visual status of line health and activity

Technical Specifications

Model/Part Number: 3651-002-06B
Form factor: 2U rack-mountable line controller module
Operating temperature: 0 to 40 degrees Celsius (32 to 104 degrees Fahrenheit)
Power consumption: typical 15 watts, max 20 watts
Interface: RJ-11 analog ports with tip/ring termination
Supported signaling: loop start and ground start
Network connectivity: 10/100 Mbps Ethernet management port
Dimensions: 17.5 inches height x 8.0 inches width x 1.75 inches depth

Applications

Enterprise PBX extensions and legacy analog phone integration
Call center environments that require high density voice line provisioning
Branch office deployments where space and power efficiency are critical
Hybrid VoIP solutions that combine digital SIP trunks with analog endpoints
Secure government or financial institution telephony networks needing robust hardware control

The Cisco 1651-002 Line Controller offers a dependable, scalable solution for organizations looking to bridge traditional analog equipment with modern IP-based communications. Its feature set and easy management tools help reduce operational costs while delivering consistent voice quality across the enterprise.