Refurbished ISR4431/K9 Technical Specifications
Cisco 4431 Router – 4 Ports – Management Port – 8 Slots – Gigabit Ethernet – 1U – Rack-mountable, Wall Mountable
General Information
| Manufacturer | Cisco Systems, Inc |
|---|---|
| Manufacturer Part Number | ISR4431/K9 |
| Brand Name | Cisco |
| Product Line | Cisco ISR |
| Product Series | ISR 4000 |
| Product Model | ISR4431 |
| Ethernet Technology | Gigabit Ethernet |
| Product Name | 4431 Router |
| Product Type | Router |
Interfaces/Ports
| Total Number of Ports | 4 |
|---|---|
| USB | Yes |
| Powerline | No |
| Management Port | Yes |
| Token Ring Port | No |
| Number of Network (RJ-45) Ports | 4 |
I/O Expansions
| Number of Total Expansion Slots | 8 |
|---|---|
| Expansion Slot Type | SFP |
| Expansion Slot Type | Network Interface Module (NIM) |
| Expansion Slot Type | Integrated Services Card (ISC) |
Network & Communication
| Network Technology | 10/100/1000Base-T |
|---|---|
| Ethernet Technology | Gigabit Ethernet |
| VoIP Supported | Yes |
Memory
| Standard Memory | 4 GB |
|---|---|
| Maximum Memory | 16 GB |
| Memory Technology | DRAM |
| Flash Memory | 8 GB |
Power Description
| PoE (RJ-45) Port | No |
|---|---|
| Input Voltage | 120 V AC |
| Input Voltage | 230 V AC |
| Power Source | PoE |
| Power Source | Power Supply |

