| Manufacturer Part Number | JL557A |
| Product Type | Layer 3 Switch |
| Manageable | Yes |
| Ethernet Technology | Gigabit Ethernet
10 Gigabit Ethernet |
| Number of Total Expansion Slots | 4 |
| Product Family | 2930F |
| Stack Port | Yes
No |
| Media Type Supported | Twisted Pair
Optical Fiber |
| Total Number of Network Ports | 48 |
| Expansion Slot Type | SFP |
| Form Factor | Rack-mountable
Desktop |
| Power Source | Power Supply |
| Layer Supported | 3 |
| Compatible Rack Unit | 1U |
| Number of SFP Slots | 4 |
| Modular | Yes |
| Uplink Port | Yes |
| Shared SFP Slot | No |
| Port / Expansion Slot Details | 48 x Gigabit Ethernet Network
4 x 10 Gigabit Ethernet Expansion Slot 4 x Gigabit Ethernet Expansion Slot |
We ship all products according to manufacturer specifications. If the manufacturer does not include an option as standard with the product (power supply, fan tray etc) we do not either unless specifically stated. If you are have questions regarding what is included with a product, please contact us.