Cisco PA-4R-DTR

Brand: | SKU: PA-4R-DTR

The PA-4R-DTR is a four-port asynchronous/synchronous serial port adapter designed for Cisco modular routers, supporting EIA/TIA-232 DTE/DCE interfaces with DTR/DSR signaling for flexible WAN connectivity. It enables high-density serial connections for a variety of network applications.

Refurbished Availability

Refurbished Cisco PA-4R-DTR adapters are available, offering significant cost savings compared to new equipment without compromising on performance. Each unit undergoes comprehensive quality assurance and rigorous testing processes by our experienced engineers, ensuring reliable operation and optimal network performance. Choosing refurbished equipment is a smart, budget-friendly option that delivers the trusted reliability your network demands.

Expert Repair Service

Comtek provides expert repair services for the Cisco PA-4R-DTR and a wide range of similar products. Our highly skilled engineers deliver fast turnaround times, supporting leading vendors such as Cisco, Juniper, and Nokia. Whether you operate in telecommunications, networking, or critical infrastructure, our repair solutions help minimize downtime and extend the life of your essential hardware.

Global Presence

With repair centres and offices strategically located across the UK, Northern Ireland, Germany, Greece, and the USA, Comtek delivers responsive and reliable service to customers worldwide. Our global footprint ensures fast support and high levels of customer satisfaction, wherever your operations are based.

Committed to Sustainability

Comtek is dedicated to promoting the circular economy by prolonging the usability of telecom, network, and infrastructure equipment like the PA-4R-DTR. By repairing and refurbishing existing hardware, we help reduce e-waste, lower carbon emissions, and provide lasting value for our customers and the environment.

For more information or to request a quote, please visit our contact form. All refurbished and repaired equipment comes with warranty coverage for peace of mind.