MikroTik CRS112-8P-4S-IN PoE Gigabit Switch

MikroTik CRS112‑8P‑4S‑IN is an 8‑port Gigabit PoE switch with 4× SFP uplinks, auto-sensing 18–57 V DC input, RouterOS L5, passive cooling, 24 Gbps switching capacity, and full L2/L3 management—ideal for SOHO and enterprise access.

Here are the detailed specifications for the MikroTik CRS112‑8P‑4S‑IN Cloud Router Switch:

🛠 Core Hardware & Design

• Product Code: CRS112‑8P‑4S‑IN
• CPU: QCA8511 MIPSBE, single-core @ 400 MHz
• Memory: 128 MB RAM
• Storage: 16 MB NAND flash
• Switch Chip: QCA8511 integrated — 12 fully independent switch/router ports

🔌 Ports & Connectivity

• Ethernet: 8 × 10/100/1000 Mbps RJ45 ports with PoE‑out
• SFP: 4 × 1 Gbps SFP cages (DDMI support)
• Console: 1 × RJ45 serial port

⚡ Power & PoE Output

• Power Inputs:
  • DC jack (18–28 V or 48–57 V) with auto-sense
  • Includes 28 V 3.4 A power adapter
• PoE Output:
  • Supports 802.3af/at and Passive PoE
  • Up to 1 A per port (18–28 V); 450 mA per port (48–57 V)
  • Total max 2.8 A @24 V or 1.4 A @48–57 V

🌐 Switching Performance

• Layer‑2 non‑blocking throughput: ~12 Gbps
• Switching capacity: ~24 Gbps; 17.8 Mpps forwarding @ 64 B frames
• MAC table: 16 K entries
• Jumbo frames: up to 9204 bytes

🧠 Software & Features

• Runs RouterOS with an L5 license
• Switch-config menu enables VLANs, MAC filtering, port isolation/security, mirroring, bandwidth limits, STP, IGMP snooping, ACLs, L3 routing support, neighbor discovery, SNMP

🔧 Physical & Environmental

• Dimensions: 200 × 142 × 44 mm (1U desktop/rack)
• MTBF: ~200,000 hrs at 25 °C
• Operating Temp: –20 °C to +60 °C
• Certifications: CE, EAC, RoHS; IP20 indoor-rated
• Cooling: Passive / fanless

🔋 Power Consumption

• Idle (no PoE load): ~10 W
• Max Drawing (with PoE): up to 160 W depending on power source

📦 Included Accessories

• 28 V 3.4 A power supply, IEC cord, rack-mount ears, K‑48 mounting kit

Datasheet