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HWIC-1DSU-T1

The Cisco HWIC-1DSU-T1 is a single-port T1 WAN interface card designed for reliable, high-speed connectivity, making it an ideal cost-effective solution for expanding network capacity in compatible Cisco routers.

SKU: HWIC-1DSU-T1 Brand: Product ID: 126189

Description

The Cisco HWIC-1DSU-T1 is a high-performance T1 WAN interface card designed to provide reliable and cost-effective connectivity for branch offices and remote locations. This single-port module integrates a T1 data service unit (DSU) and channel service unit (CSU), eliminating the need for an external device and simplifying network management. Built for compatibility with Cisco Integrated Services Routers (ISRs), it supports both full and fractional T1 connections, making it a flexible solution for businesses requiring scalable bandwidth. The compact, modular design ensures seamless integration into existing network infrastructures while maintaining efficient power consumption.

Equipped with an RJ-48C interface, the HWIC-1DSU-T1 supports line rates of up to 1.544 Mbps and advanced diagnostics, including loopback testing for troubleshooting network issues. Key features include error detection, alarm monitoring, and support for both HDLC and PPP encapsulation protocols to enhance data transmission reliability. Designed for durability, this module is built with high-quality components to ensure longevity, making it a cost-effective choice for businesses seeking dependable networking solutions. Whether upgrading an existing setup or expanding network capabilities, this used Cisco module delivers enterprise-grade performance at a fraction of the cost of new hardware.

Who We Are
 
ROC Telecom is a family-owned, Texas-based company specializing in helping businesses unlock value from their networking and telecom equipment. From routers and switches to optical gear and more, we provide a seamless solution for businesses looking to sell, recover assets responsibly, or buy quality-tested equipment at competitive prices.
 
What We Do
 
We make it easy to:
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Why Choose ROC Telecom?
  • Expertise You Can Trust: 15 years of experience in asset recovery and resale.
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Our Process
  1. Submit a Request: You can use the “Buy” or “Sell” buttons above to get started — or fill out a form, call us at 585-406-1248, or email bailey@roctelecom.com. Whatever’s easiest for you, we’ll make it quick and hassle-free.
  2. Quick Evaluation: We’ll assess your equipment—whether you’re looking to sell it or find the right gear for your needs—and provide a fair offer.
  3. Simple Logistics: Fast, secure, and straightforward shipping or pickup solutions.
  4. Value Delivered: Recover funds from unused equipment or save on quality-tested networking and telecom gear.
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