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.
| Management features | |
| Switch type: | Managed |
| Switch layer: | L2/L3 |
| Ports & interfaces | |
| Combo SFP ports quantity: | 4 |
| SFP module slots quantity: | 20 |
| SFP+ module slots quantity: | 4 |
| Console port: | RJ-45 |
| Network | |
| Networking standards: | IEEE 802.1Q, IEEE 802.3ad |
| 10G support: |  |
| Port mirroring: | |
| Link aggregation: | |
| Broadcast storm control: | |
| VLAN support: | |
| Data transmission | |
| MAC address table: | 16000 entries |
| Switching capacity: | 128 Gbit/s |
| Forwarding rate: | 95.2 Mpps |
| Jumbo frames support: | |
| Jumbo frames: | 10218 |
| Security | |
| Access Control List (ACL): | |
| IGMP snooping: | |
| Design | |
| Rack mounting: | |
| Form factor: | 1U |
| Product colour: | White |
| LED indicators: | |
| Performance | |
| Built-in processor: | |
| Processor frequency: | 800 MHz |
| Internal memory: | 512 MB |
| Flash memory: | 16 MB |
| Power | |
| Power supply included: | |
| Number of power supply units: | 1 |
| AC input voltage: | 100 - 240 V |
| Power consumption (max): | 43 W |
| Power over Ethernet (PoE) | |
| Power over Ethernet (PoE): |  |
| Operational conditions | |
| Operating temperature (T-T): | -20 - 60 °C |
| Weight & dimensions | |
| Width: | 443 mm |
| Depth: | 44 mm |
| Height: | 200 mm |
| Packaging data | |
| Cables included: | AC |
| Rack mount kit: | |
