CISCO2901/K9 Cisco 2901 Integrated Services Router(ISR)

2 integrated 10/100/1000 Ethernet ports

4 enhanced high-speed WAN interface card slots

2 onboard digital signal processor (DSP) slots

1 onboard Internal Service Module for application services

Fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE) and Cisco Enhanced PoE

Embedded hardware-accelerated VPN encryption for secure collaborative VPN communications

Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, and Cisco IOS Content Filtering

Voice

High-density-packet voice DSP module, optimized for voice and video

Standards-certified VoiceXML browser services

Cisco Unified Border Element capabilities

Cisco Unity Express voicemail support

Support for Cisco Communications Manager Express and Survivable Remote Site Telephony

Cisco 2901 Router Details
Product Description	Cisco 2901 Integrated Services Router - router
Manufacturer	Cisco Systems, Inc
Manufacturer Part Number	CISCO2901/K9
Product Type	Router
Form Factor	External - modular - 1U
Dimensions (WxDxH)	43.9 cm x 43.8 cm x 4.5 cm
Weight	6.1 kg
DRAM Memory	512 MB (installed) / 2 GB (max)
Flash Memory	256 MB (installed) / 8 GB (max)
Routing Protocol	OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing
Data Link Protocol	Ethernet, Fast Ethernet, Gigabit Ethernet
Remote Management Protocol	SNMP, RMON
Features	Cisco IOS IP Base , MPLS support, Syslog support, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED)
Compliant Standards	IEEE 802.1Q, IEEE 802.3af, IEEE 802.3ah, IEEE 802.1ah, IEEE 802.1ag
Power	AC 120/230 V ( 50/60 Hz )