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by Cisco
Product Line: Cisco 1900 Series Integrated Services Router
Product Type: Interface Cards
Original price $0.00 - Original price $195.00
Original price
$0.00 - $195.00
Current price $195.00
Title: Used

Orders typically ship within 1-3 Business days, if you need an item to ship sooner please contact us.

Product Description

The Cisco HWIC-4A/S is a high-speed WAN interface card designed for use with Cisco 1900 Series Integrated Services Routers. It provides four asynchronous/synchronous serial ports that can support data rates of up to 8 Mbps. The card is ideal for connecting remote sites or providing backup connectivity for critical applications. It supports a wide range of WAN protocols, including HDLC, PPP, and Frame Relay

Key Feature for the HWIC-4A/S

1. Data Transfer Rate: Up to 8 Mbps per port
2. Ports: Four asynchronous/synchronous serial ports
3. Compatibility: Cisco 1900 Series Integrated Services Routers
4. WAN Protocols: HDLC, PPP, Frame Relay, X.25, and more
5. Operating Temperature: 0 to 50°C (32 to 122°F)
6. Dimensions: 3.08 x 0.8 x 4.74 inches (77.98 x 20.32 x 120.4 mm)

Product Review

The Cisco HWIC-4A/S is a versatile hardware interface module designed for Cisco Integrated Services Routers. It features four asynchronous/synchronous serial ports and supports a variety of protocols including HDLC, PPP, X.25, and Frame Relay. The module's flexible architecture allows it to be used for a wide range of applications, including legacy WAN connectivity, serial console management, and industrial automation. With its compact size and easy installation, the HWIC-4A/S provides a reliable and cost-effective solution for connecting serial devices to a network.


The Cisco HWIC-4A/S is a hardware module designed for use with various Cisco routers, providing four asynchronous/synchronous serial ports. This product offers a range of hardware specifications that are intended to enhance the overall performance and functionality of a network system. The HWIC-4A/S is compatible with a wide range of Cisco router models, including the 1841, 2800, 2900, 3800, and 3900 series. With its four serial ports, it enables the connection of a wide range of serial devices to the network, making it suitable for use in environments that require such connections, such as industrial and retail settings. The product features an RJ-45 connector type and offers data transfer rates of up to 8 Mbps. It supports both synchronous and asynchronous serial communication, making it versatile and compatible with a range of devices. Additionally, the module provides error detection capabilities, enabling users to identify and address any issues quickly. The HWIC-4A/S is designed to be easy to install and use, with simple plug-and-play functionality. Its compact size and lightweight design make it ideal for use in space-constrained environments. Moreover, it is built to withstand harsh environments, ensuring reliable and consistent performance even in challenging conditions. Overall, the Cisco HWIC-4A/S is a reliable and versatile hardware module that offers a range of features and specifications that are intended to enhance the overall performance and functionality of a network system. Its compatibility with various router models, high data transfer rates, and error detection capabilities make it an excellent choice for organizations that require serial connections to their network.

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