C1100TG-16A is a 16-port Async Module for Cisco 1100 Terminal Services Gateway
The compact, high-density Cisco 1100 Terminal Services Gateway (C1100 TSG) with Cisco IOS® XE Software allows secure remote management of a wide variety of networking, compute, Internet of Things (IoT), and other devices. It integrates Layer 2 switching and comprehensive security with the ability to integrate wired and wireless WAN connections (LTE Advanced 3.0) into a single rack unit. The C1100 TSG allows secure authentication (through support for RADIUS or TACACS) of remote users connecting to resources on an internal corporate or private network from Internet-connected devices.