MikroTik CRS310‑1G‑5S‑4S+OUT (netFiber 9) is a weatherproof outdoor switch with 1× Gigabit, 5× SFP, 4× 10G SFP+ ports, passive PoE‑in, RouterOS L5, hardware-switched VLAN, and IP54 housing—ideal for ISP/fiber edge deployments.

Here are the detailed specifications for the MikroTik CRS310‑1G‑5S‑4S+OUT (netFiber 9):

🧠 Core Hardware

• CPU: ARM v7 (Marvell 98DX226S) – 1 core @ 800 MHz
• RAM: 256 MB DDR3
• Storage: 16 MB NAND flash

🌐 Ports & Connectivity

• Gigabit Ethernet: 1 × RJ45, direct to switch chip, supports PoE‑IN (802.3af/at)
• SFP: 5 × 1 G SFP cages (DDMI)
• SFP+: 4 × 10 G SFP+ cages
• Console: 1 × RJ45 serial port

⚙️ Switching & Software

• Switch Chip: Marvell 98DX226S
• RouterOS License: Level 5 (runs RouterOS v7, hardware-switched)
• SwitchOS Support: Available in RouterOS v7.5+
• Layer 2/3 Offload: VLANs, Bridging, and some L3 routing hardware-accelerated
• Throughput: ~28 Gbps L1, ~56 Gbps line-rate switching (~3.7 Mpps@1518B to ~68 kpps@64B)

⚡ Power

• Inputs:
  • DC jack: 18–57 V
  • PoE-in via Ethernet port: 18–57 V 802.3af/at
• Power Draw:
  • Idle: ~10 W
  • Maximum: ~17–20 W
• Cooling: Passive/heatsink, fanless

🛠 Physical & Environmental

• Dimensions: 304 × 212 × 71 mm
• Operating Temp: –40 °C to +70 °C
• MTBF: ~200,000 hours @ 25 °C
• Ingress Rating: IP54 – dust and splash resistant

📦 Included Accessories

• 48 V 0.95 A power adapter
• Gigabit PoE injector
• K‑66 mounting set, hose clamps for pole/wall mounting

✅ Use-Case Summary

Outdoor-ready SFP/SFP+ switch: ideal for fiber-fed small offices or ISPs, supporting long-distance fiber links, passive PoE flexibility, and reliable hardware-switched L2/L3.

Datasheet