MikroTik CRS112-8G-4S-IN Cloud Router Switch

The CRS112-8G-4S-IN is a versatile networking device manufactured by MikroTik, a renowned brand in the field of networking equipment. With its compact size and cost-effectiveness, this product is a member of the CRS series, which stands for Cloud Router Switch. The CRS112-8G-4S-IN is designed to provide the functionality of both a router and a Layer 3 switch, making it a powerful and flexible networking solution for various environments. The product is equipped with eight Gigabit Ethernet ports, allowing for high-speed wired connections. Additionally, it features four SFP cages, enabling the use of fiber optic connections for longer distance communication. The combination of Gigabit Ethernet and SFP ports provides a wide range of connectivity options to suit different networking needs. Under the hood, the CRS112-8G-4S-IN is powered by a single-core CPU with a nominal frequency of 400 MHz. While this may seem modest compared to higher-end networking devices, it is sufficient for handling most routing and switching tasks. The device is equipped with 128 MB of RAM, ensuring smooth operation and efficient data processing. In terms of physical specifications, the CRS112-8G-4S-IN boasts a compact form factor, measuring 200x143x44mm. This makes it easy to install and suitable for space-constrained environments. It features a power jack for connecting the device to a power source and supports PoE (Power over Ethernet) input, allowing for convenient power delivery through the Ethernet cable. However, it does not have PoE output capabilities. The CRS112-8G-4S-IN can be powered within a voltage range of 10 V to 57 V, offering flexibility in power supply options. It also includes a voltage monitor to keep track of the power input. Furthermore, the device features a PCB temperature monitor and a CPU temperature monitor, ensuring that the operating conditions are within the acceptable range. As for the operating system, the CRS112-8G-4S-IN runs on RouterOS, a powerful and feature-rich operating system developed by MikroTik. RouterOS provides a user-friendly interface and offers extensive configuration options, including specific switch configuration settings accessible through a dedicated Switch menu. Users have the flexibility to remove ports from the switch configuration and utilize them for routing or other purposes as needed. The CRS112-8G-4S-IN is classified under License Level 5, indicating its capability to support advanced features and functionality. It also includes a current monitor to track power consumption, which is rated at a maximum of 13.5W.