Cisco PA-4R-DTR=

Brand: Cisco | SKU: PA-4R-DTR=

The PA-4R-DTR= is a four-port asynchronous/synchronous serial port adapter for Cisco modular routers, supporting EIA/TIA-232 DTE/DCE interfaces with DTR/DSR flow control. It enables flexible WAN connectivity for branch office and enterprise network deployments.

Refurbished Availability

Refurbished versions of the Cisco PA-4R-DTR= are available, offering a cost-effective solution without compromising performance or reliability. Each unit undergoes comprehensive quality assurance and rigorous testing to ensure it meets or exceeds original manufacturer specifications. By choosing refurbished equipment, customers benefit from significant cost savings while maintaining high standards of network integrity and uptime.

Expert Repair Service

Comtek provides expert repair services for the Cisco PA-4R-DTR= and similar network interface modules. Our experienced engineers deliver fast turnaround times and support a wide range of vendors, including Cisco, Juniper, and Nokia. This comprehensive repair capability is ideal for network, telecoms, and critical infrastructure users needing dependable solutions to minimise downtime and maximise operational efficiency.

Global Presence

With repair centres and offices strategically located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek offers a truly global service footprint. Our worldwide presence enables us to provide responsive, localised support, ensuring rapid service delivery and enhanced customer satisfaction wherever your operations are based.

Committed to Sustainability

Comtek is dedicated to supporting the circular economy by extending the lifecycle of telecom, network, and infrastructure equipment like the Cisco PA-4R-DTR=. Our refurbishment and repair services help reduce electronic waste, lower carbon emissions, and provide long-term value to our customers, all while promoting environmentally responsible business practices.

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.