Cisco 2-Port Async/Sync Serial WAN High-Speed Interface Card

The Cisco HWIC-2A/S= is a 2-port asynchronous and synchronous serial WAN interface card designed to expand the connectivity options of Cisco 1800, 2800, and 3800 Series Integrated Services Routers. It supports multiple serial protocols including RS-232, RS-449, RS-530, V.35, and X.21, making it a versatile choice for a variety of WAN applications. Whether you need to connect to legacy equipment, manage remote networks, or provide WAN access, this card offers the flexibility to handle those tasks efficiently.

With a data transfer rate of up to 128 Kbps, the card is well suited for environments that require reliable low-density WAN aggregation or external dial-modem access. Its plug-in form factor allows for straightforward installation and easy integration with other HWIC modules, enabling businesses to scale their network infrastructure cost-effectively. This makes it a practical solution for network administrators looking to maintain or upgrade existing setups without replacing entire routers.

The HWIC-2A/S= fits naturally in small to medium-sized business networks or branch offices where diverse serial connectivity and legacy protocol support remain important. It provides a dependable wired connection that helps maintain smooth communication across different network segments and remote sites.

Highlights:

• 2-port asynchronous and synchronous serial WAN interface
• Supports RS-232, RS-449, RS-530, V.35, and X.21 protocols
• 128 Kbps data transfer rate for efficient WAN performance
• Compatible with Cisco 1800, 2800, and 3800 Series Integrated Services Routers
• Plug-in module design for easy installation and expansion
• Flexible solution for WAN access, legacy protocol transport, and remote network management