Cisco CISCO2851-SRST/K9 | 2800 Series 2851 2 x Ports 1000Base-T + 11 x Expansion Slots 2U Rack-mountable Integrated Service Router

1. Dimensions: 47 x 43.8 x 13.3 cm
2. Weight: 10.9 kg
3. RAM: 512 MB
4. Flash Memory: 256 MB
5. Interfaces: 2 x 10/100/1000 Ethernet, 1 x USB 1.1, 2 x AIM slots, 4 x PVDM slots, 2 x VIC slots, 2 x VWIC slots
6. Voice / Fax Protocols: H.323, MGCP, SCCP, SIP
7. Voice Codecs: G.711, G.723.1, G.728, G.729A, G.729AB, G.729B, iLBC
8. Fax Compatibility: G.711 Pass-Through or Real-Time Fax over IP
9. Power Supply: AC 120/230 V ( 50/60 Hz )
10. Max Power Consumption: 250 Watt
11. Operating Temperature: 0 to 40°C
12. Operating Humidity: 10 to 85% (non-condensing)

Notes:
1. The Cisco 2851 Voice Bundle Router is ideal for small to medium-sized businesses that require advanced voice and data services.
2. The router supports up to 48 IP phones and can handle up to 500 simultaneous calls.
3. The router comes with a built-in firewall for added security.