Description
The Cisco HWIC-4T1E1 is a high-performance High-Speed WAN Interface Card (HWIC) designed to add four T1 or E1 ports to compatible Cisco Integrated Services Routers. Built with a compact form factor, it fits seamlessly into HWIC slots, allowing for flexible WAN connectivity in enterprise branch offices and service provider environments. This module supports both T1 and E1 interfaces, offering versatility through software-selectable configuration for each port. Its robust design ensures reliable operation in demanding network conditions.
Each of the four ports supports framed and unframed T1/E1 modes, with integrated CSU/DSU functionality to simplify deployments and reduce the need for external equipment. The HWIC-4T1E1 supports a wide range of Layer 2 and Layer 3 protocols, including Frame Relay, PPP, HDLC, and MLPPP, making it suitable for a variety of WAN implementations. It is compatible with Cisco IOS software, enabling advanced routing, quality of service (QoS), and security features. Ideal for buyers seeking cost-effective scalability, this used module provides enterprise-grade connectivity without the premium price of new hardware.

