Cisco C2901-VSEC-CUBE/K9 | 2900 Series 2901 2 x Ports 1000Base-T + 9 x Expansion Slots 1U Rack-mountable Integrated Service Router

1. Dimensions: 3.5 x 17.2 x 12.8 inches
2. Weight: 13.2 pounds
3. RAM: 512 MB (installed) / 2 GB (max)
4. Flash Memory: 256 MB (installed) / 8 GB (max)
5. Data Link Protocol: Ethernet, Fast Ethernet, Gigabit Ethernet
6. Network / Transport Protocol: IPSec, L2TPv3, PPPoE, DHCP, DNS, L2TP, ICMP/IP, IPSec NAT traversal, RTP, SRTP, SSH, SSL, TCP/IP, UDP/IP, NTP, ...etc.
7. Remote Management Protocol: SNMP, RMON, Telnet, SNMP 3, HTTP, HTTPS, SSH, CLI
8. Features: Firewall protection, VPN support, MPLS support, Syslog support, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED), Quality of Service (QoS), Dynamic Multipoint VPN (DMVPN), ...etc.
9. Compliant Standards: IEEE 802.3, IEEE 802.1Q, IEEE 802.1ah, IEEE 802.1ag, FCC CFR47 Part 15, EN 60950-1, AS/NZS 60950, CAN/CSA C22.2 No. 60950-1, VCCI V-3, ICES-003 V3, CNS 13438(95) Class A, KN22, EN 300386, EN 61000-3-2, EN 61000-3-3, EN55022 Class A, CISPR22 Class A, EN 50082-1, EN 61000-6-1, ...etc.
10. Power Device: Internal power supply - 110/220V AC
11. Interfaces: 2 x 10Base-T/100Base-TX/1000Base-T - RJ-45, 1 x console - RJ-45, 1 x auxiliary - RJ-45, 2 x SFP (mini-GBIC)
12. Expansion Slots: 2 (total) / 2 (free) x EHWIC

Notes:
1. The Cisco 2901 router is a highly reliable and secure router that provides high-performance connectivity for small to medium-sized businesses.
2. With its advanced features and flexible design, this router can handle a wide range of applications and network configurations.
3. The router's modular design allows for easy expansion and customization, making it a great choice for businesses that need to scale their network over time.