MIKROTIK CRS112-8P-4S-IN SWITCH SPECIFICATIONS AND DETAILS
OverviewÂ
CRS112-8P-4S-IN is an eight Gigabit RJ45 port PoE switch, that offers different power output options: autosensing 802.3af/at PoE/PoE+ and Passive PoE, and four SFP ports provide optical fiber connectivity options to support uplinks of up to 1 Gbps.
The CRS112-8P-4S-IN features 12 independent switching ports. The box includes a 28 V 3.4 A power supply. A secondary DC jack on the back of the enclosure supports a 48-57 V power supply (sold separately with product codes 48POW (1.46A 70W) and 48V2A96W (2A 96W)). When using a 48-57 V DC input, the CRS112-8P-4S-IN can power 802.3af/at devices, automatically detecting and providing the correct power to them. Max current is 1 A per port if input voltage is 18-28 V, 450 mA if 48-57 V. Total limit is 2.8A@24V and 1.4A@48-57V. PoE-Out is passed over mode B 4,5 (+) and 7,8 (-) pins
Tech Specifications
Elevate your network with the MIKROTIK CRS112-8P-4S-IN Switch. Versatile, high-performance, and efficient for all your networking needs.
| Details | |
| Product code | CRS112-8P-4S-IN |
| Architecture | MIPSBE |
| CPU | QCA8511 |
| CPU core count | 1 |
| CPU nominal frequency | 400 MHz |
| Dimensions | 200 x 142 x 44 mm |
| RouterOS license | 5 |
| Operating System | RouterOS |
| Size of RAM | 128 MB |
| Storage size | 16 MB |
| Storage type | FLASH |
| MTBF | Approximately 200’000 hours at 25C |
| Tested ambient temperature | -20°C to 60°C |
| Suggested price | $209.00 |
Powering
| Details | |
| Number of DC inputs | 2 (DC jack) |
| DC jack input Voltage | 18-28 V / 48-57 V |
| Max power consumption | 160 W |
| Max power consumption without attachments | 10 W |
| Cooling type | Passive |
PoE-out
| Details | |
| PoE-out ports | Ether1-Ether8 |
| PoE out | 802.3af/at |
| Max out per port output (input 18-30 V) | 1 A |
| Max out per port output (input 30-57 V) | 450 mA |
| Max total out (A) | 2.8A (18V-28V) & 1.4A (48V-57V) A |
Ethernet
| Details | |
| 10/100/1000 Ethernet ports | 8 |
| Number of 1G Ethernet ports with PoE-out | 8 |
Fiber
| Details | |
| SFP ports | 4 |
Peripherals
| Details | |
| Serial console port | RJ45 |
Other
| Details | |
| PCB temperature monitor | Yes |
Certification & Approvals
| Details | |
| Certification | CE, EAC, ROHS |
| IP | IP20 |








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