Description
The Cisco NM-16AS is a high-density asynchronous network module designed for Cisco 2600 and 3600 series routers, offering reliable serial connectivity for remote access, legacy systems, and low-speed WAN aggregation. With 16 asynchronous serial ports, it supports a wide range of applications including modem termination, console access, and low-speed data transport. Each port uses RJ-45 connectors and supports speeds up to 115.2 kbps, making it suitable for environments where multiple serial connections are required. Its modular design allows for easy integration into compatible Cisco chassis, providing flexibility in network expansion and configuration.
This module is built for durability and long-term use in enterprise or lab environments, especially where legacy serial devices are still in operation. It includes onboard UARTs that eliminate the need for external terminal servers, saving space and reducing complexity. The NM-16AS supports both hardware and software flow control, giving administrators more granular control over data transmission. When purchasing used, buyers can expect solid performance and compatibility, provided the module has been tested and verified for functionality.