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 
