The CRS112-8P-4s-in is an eight gigabit RJ45 portos Poe Switch offering different output options: 802.3AF/AT POE/POE+ and passive POE automatic authentification and four Darav SFP ports for optical cable connections up to 1 Gbps.

The CRS112-8P-4S-in has 12 independent switch powder. 28 V/3.4 The power supply is already included in the box. There is a secondary DC socket on the back of the house that supports 48-57 V power supply (not included, separately available). CRS112-8P-4S-in can feed on 802.3AF/AT when using a 48-57 V DC input (the device automatically detects and nourishes the devices). The maximum current is 1 per port if the input voltage is 18-28 V, 450 mA if 48-57 V. full limit 2.8 a@24 V and 1.4 a@48-57 v.

Technical data
- CPU: Qca8511 400 MHz
- RAM: 128 MB
- Flash: 16 MB
- 8 pieces of gigabit lan port
- 4 pieces of gigabit SFP port
- 1 piece of RJ45 serial port