Description
Product Description
The MikroTik CRS112-8P-4S-IN is part of MikroTik’s Cloud Router Switch (CRS) series, combining the functionality of a fully featured switch with RouterOS flexibility. It is designed for environments that require both network connectivity and power delivery to devices such as IP cameras, wireless access points, and VoIP phones.
The device includes 8 × Gigabit Ethernet ports with PoE output and 4 × SFP ports for fiber uplinks. It supports multiple PoE standards, including passive PoE, 802.3af/at, and MikroTik’s auto-sensing PoE, making it highly versatile for mixed deployments.
With dual boot support (RouterOS and SwOS), users can choose between advanced routing capabilities or a simplified switching interface. Its compact desktop enclosure and internal power supply make it suitable for small offices, network cabinets, and edge deployments.
Specifications (Verified & Accurate)
📡 Ports & Interface
- Gigabit Ethernet Ports: 8 × 10/100/1000 Mbps RJ45 with PoE-out
- SFP Ports: 4 × 1 Gbps SFP cages
- Total Ports: 12 (8 RJ45 + 4 SFP)
- Console: 1 × RJ45 serial console
⚡ Power over Ethernet (PoE)
- PoE Out Ports: Ports 1–8
- Supported Standards:
- Passive PoE
- 802.3af/at (auto-sensing)
- PoE Output Voltage: Same as input (typically 18–57 V)
- Max Output per Port: Up to 1 A (depends on input power supply)
- Total Power Budget: Up to ~120 W (depending on PSU used)
🚀 Performance
- Switch Chip: QCA8511
- Switching Capacity: 24 Gbps
- Forwarding Rate: 17.8 Mpps
- MAC Address Table: 16K entries
- Jumbo Frame: Supported up to ~10 KB
🧠 Management & Features
- Operating Systems: Dual boot (RouterOS / SwOS)
- RouterOS License: Level 5
- Management Interfaces: Web GUI, CLI, Winbox, SNMP
- VLAN: 802.1Q VLAN support
- Link Aggregation: Supported (LACP)
- Spanning Tree: STP / RSTP
- QoS: Basic traffic prioritization
- Multicast: IGMP Snooping
- Port Mirroring: Supported
🛡️ Protection & Reliability
- Form Factor: Desktop / wall-mount
- Cooling: Passive cooling (fanless)
- Power Input: 100–240 V AC (internal PSU)
- Max Power Consumption: ~140 W (with full PoE load)
- Operating Temperature: −20 °C to 60 °C
- Build: Metal enclosure
Key Features
✔ 8 × Gigabit PoE-out ports for powering network devices
✔ Supports passive PoE and 802.3af/at standards
✔ 4 × SFP ports for fiber uplinks
✔ Dual boot (RouterOS & SwOS) for flexible management
✔ Compact fanless design for silent operation
✔ Ideal for mixed PoE deployments with different voltage requirements
Typical Use Cases
✔ Powering IP cameras, wireless APs, and VoIP phones
✔ Small office and branch network switching
✔ Fiber uplinks to core or aggregation switches
✔ ISP edge deployments with PoE requirements
✔ VLAN-segmented SMB networks
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