MikroTik CRS112-8P-4S-IN Smart PoE Switch
The MikroTik CRS112-8P-4S-IN is a compact and powerful smart switch designed for business, ISP, surveillance, and enterprise networking environments requiring reliable PoE connectivity and fiber uplinks.
Equipped with 8 Gigabit Ethernet PoE-out ports and 4 SFP fiber ports, this switch supports both 802.3af/at PoE/PoE+ and Passive PoE, making it ideal for powering IP cameras, wireless access points, VoIP phones, and other PoE-enabled devices.
Powered by a 400MHz CPU with 128MB RAM, the CRS112-8P-4S-IN runs RouterOS Level 5, providing advanced switching, VLAN, routing, monitoring, and network management capabilities.
Key Features
- 8× Gigabit PoE-out Ethernet ports
- 4× SFP fiber uplink ports
- 802.3af/at PoE+ support
- Passive PoE support
- RouterOS Level 5
- Fiber uplink connectivity
- Smart Layer 2 management
- Compact desktop design
- Passive cooling system
- Flexible dual DC power input
- RJ45 serial console port
- Low power operation
Advanced PoE Functionality
The CRS112-8P-4S-IN supports:
- auto-sensing 802.3af/at PoE
- Passive PoE output
- centralized device power management
- flexible power deployment
Perfect for powering:
- IP cameras
- wireless access points
- VoIP phones
- network bridges
- IoT devices
Fiber Uplink Connectivity
The switch includes 4× SFP ports for:
- fiber uplinks
- backbone connectivity
- FTTH aggregation
- long-distance networking
- ISP infrastructure
Supporting uplink speeds up to 1Gbps.
RouterOS Smart Switching Features
Powered by RouterOS L5, the switch supports:
- VLAN configuration
- bridge management
- traffic shaping
- firewall filtering
- bandwidth control
- SNMP monitoring
- scripting & automation
- advanced network management
Flexible Power Options
The CRS112-8P-4S-IN supports:
| Input Voltage | PoE Capability |
|---|
| 18–28V DC | Passive PoE |
| 48–57V DC | 802.3af/at PoE+ |
Included in the box:
- 28V 3.4A power adapter
- rack ears
- IEC cord
Technical Specifications
| Feature | Details |
|---|
| Model | CRS112-8P-4S-IN |
| CPU | QCA8511 |
| CPU Frequency | 400MHz |
| RAM | 128MB |
| Storage | 16MB FLASH |
| Operating System | RouterOS L5 |
| Ethernet Ports | 8× Gigabit |
| PoE Ports | 8× PoE-Out |
| SFP Ports | 4× 1G SFP |
| PoE Standards | 802.3af/at & Passive PoE |
| Max Power Consumption | 160W |
| Cooling | Passive |
| Power Input | 18–28V / 48–57V |
| Dimensions | 200 × 142 × 44 mm |
Ideal Applications
The MikroTik CRS112-8P-4S-IN is ideal for:
- IP surveillance systems
- office networking
- ISP deployments
- wireless access point management
- FTTH networks
- VoIP systems
- enterprise edge switching
- PoE-powered environments
- fiber uplink infrastructure
Why Choose MikroTik CRS112-8P-4S-IN?
This smart switch offers:
- reliable PoE-out functionality
- flexible fiber uplinks
- advanced RouterOS features
- affordable enterprise networking
- silent passive cooling
- easy deployment
- strong network management capabilities
Making it an excellent solution for professional networking environments.
