Description
ISR4431/K9 Technical Specifications
Cisco 4431 Router – 4 Ports, Management Port, 8 Expansion Slots
General Information
Manufacturer: Cisco Systems, Inc
Part Number: ISR4431/K9
Brand: Cisco
Product Line: Cisco ISR
Series: ISR 4000
Model: ISR4431
Ethernet Technology: Gigabit Ethernet
Product Type: Router
Interfaces/Ports
Total Ports: 4
USB Ports: Yes
Management Port: Yes
Network Ports (RJ-45): 4
I/O Expansion
Total Expansion Slots: 8
Slot Types: SFP, Network Interface Module (NIM), Integrated Services Card (ISC)
Network & Communication
Network Technology: 10/100/1000Base-T
VoIP Support: Yes
Memory
Standard Memory: 4 GB
Max Memory: 16 GB
Memory Type: DRAM
Flash Memory: 8 GB
Power Description
PoE (RJ-45) Port: No
Input Voltage: 120 V AC, 230 V AC
Power Source: PoE and Power Supply








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