The CRS328-4C-20S-4S+RM is a 28 independent port switch with a combo group. This device has twenty SFP ports, four SFP+ ports for 10G modules and four combo ports, where you can choose to use SFP or RJ45 ports from the combo group. These ports can also be software selected, so if you have plugged in all eight cables, you can use scripting, to decide which four combo ports will be active.
The device comes in a 1U rackmount case with two 100-240 V power supplies with failover functionality. A RJ45 console port is available for management and debugging, and a mode button can be customised to execute any RouterOS commands.
The device has a “Dual boot” feature that allows you to choose between two operating systems - RouterOS or SwOS.
| Specifications | |
| Product code | CRS328-4C-20S-4S+RM |
| Architecture | ARM 32bit |
| CPU | 98DX3236 |
| CPU core count | 1 |
| CPU nominal frequency | 800 MHz |
| Switch chip model | 98DX3236 |
| Dimensions | 443 x 194 x 44 mm |
| RouterOS license | 5 |
| Operating System | RouterOS / SwitchOS |
| Size of RAM | 512 MB |
| Storage size | 16 MB |
| Storage type | FLASH |
| MTBF | Approximately 200,000 hours at 25C |
| Tested ambient temperature | -20°C to 60°C |
| Powering | |
| Number of AC inputs | 2 |
| AC input range | 100-240 |
| Number of PSU slots | 2 |
| Frequency (Hz) | 50-60 |
| Max power consumption | 43 W |
| Cooling type | 2 fans |
| Ethernet | |
| Ethernet Combo ports | 4 |
| Fiber | |
| SFP ports | 20 |
| SFP+ ports | 4 |
| Peripherals | |
| Serial console port | RJ45 |
| Other | |
| CPU temperature monitor | Yes |
| Voltage Monitor | Yes |
| Mode button | Yes |
| Certification & Approvals | |
| Certification | CE, EAC, ROHS |
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