Cisco HWIC-4T 4-Port Serial High-Speed WAN Interface Card Synchronous /Asynch HWIC4T
Cisco HWIC-4T 4-Port Serial High-Speed WAN Interface Card Synchronous /Asynch HWIC4T
Description:
The Cisco HWIC-4T High-Speed WAN Interface Card is a 4-port serial interface module used in Cisco integrated services routers to provide synchronous and asynchronous WAN connectivity. Commonly installed in enterprise routers, branch office networks, and legacy communication systems where serial data connections are required. Maintenance teams and system integrators use this module for network expansion, upgrades, and replacement of existing WAN interface cards to support serial communication links.
Applications:
The Cisco HWIC-4T module is widely used in enterprise and industrial networking environments to enable serial WAN connectivity for legacy and specialized communication systems. It is deployed in branch offices, telecommunications networks, and industrial control environments to connect routers to serial-based equipment such as CSU/DSUs, modems, and SCADA systems. This module supports both synchronous and asynchronous communication, making it ideal for applications requiring flexible serial connectivity.
Technical Specifications:
• Manufacturer: Cisco
• Model / Part Number: HWIC-4T
• Product Type: WAN Interface Card
• Ports: 4x Serial ports
• Interface Type: Smart Serial
• Communication Modes: Synchronous and Asynchronous
• Supported Protocols: HDLC, PPP, Frame Relay
• Connector Type: Smart Serial connectors (requires serial cables)
• Compatibility: Cisco Integrated Services Routers (ISR series)
• Installation Type: HWIC slot module
• Hot Swappable: No
• Application: Serial WAN connectivity
Common Replacements:
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