Name: Network Module T1/ISDN-PRI
Brand: Cisco
Price: 79.95 USD
Availability: InStock

Cisco 1CT1-CSU Network Module T1/ISDN-PRI

The Cisco 1CT1-CSU Network Module T1/ISDN-PRI provides a versatile and reliable interface for connecting Cisco routers to T1 and ISDN PRI circuits. Designed for enterprise and service provider environments, this module delivers high-quality voice and... Read More

price

$79.95

In Stock: 2
Manufacturer: Cisco
Model or Part: 1CT1-CSU
Condition: Refurbished
Weight: 2.85lb
Dimensions: 16.00in x 10.25in x 2.50in

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Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview
The Cisco 1CT1-CSU Network Module T1/ISDN-PRI provides a versatile and reliable interface for connecting Cisco routers to T1 and ISDN PRI circuits. Designed for enterprise and service provider environments, this module delivers high-quality voice and data transmission over legacy digital lines while supporting modern IP-based services. Its compact form factor fits into the Cisco router chassis, simplifying installation and reducing rack space requirements.

Key Features

Supports both T1 (up to 1.544 Mbps) and ISDN PRI (up to 2.048 Mbps) interfaces
Integrated echo cancellation and framing for clear voice quality
Plug-and-play installation with hot-swap capability
Compliant with ANSI, ITU and other regional standards for global compatibility
Low power consumption and built-in diagnostics for easy troubleshooting
Secure management via Cisco IOS command line interface

Technical Specifications

Interface type: T1 (DS1) and ISDN PRI (BRI/PRI)
Data rate: 1.544 Mbps (T1) or 2.048 Mbps (ISDN PRI)
Connector: RJ48C for T1, RJ45 for ISDN PRI
Supported framing: ESF, D4 for T1; NI1, NI2 for ISDN PRI
Power supply: 12 VDC, 1.5 A max
Operating temperature: 0 to 50 degrees Celsius
Dimensions: 1U rack height, 4.5 in width, 6.0 in depth

Applications

Enterprise voice over IP (VoIP) gateways that require reliable PSTN connectivity
Service provider edge routers delivering broadband and telephony services
Backup WAN links for disaster recovery and business continuity
Remote office connectivity where fiber is not available
Integration of legacy T1 or ISDN circuits into modern IP networks

By choosing the Cisco 1CT1-CSU Network Module, organizations gain a flexible solution that bridges traditional digital circuits with next-generation networking, ensuring seamless communication and optimal performance across diverse environments.