Cisco 2900 Series builds on the best-in-class offering of the existing Cisco 2800 Series Integrated Services Routers by offering four platforms (Figure 1): the Cisco 2901, 2911, 2921, and 2951 Integrated Services Routers.
All Cisco 2900 Series Integrated Services Routers offer embedded hardware encryption acceleration, voice- and video-capable digital signal processor (DSP) slots, optional firewall, intrusion prevention, call processing, voicemail, and application services. In addition, the platforms support the industries widest range of wired and wireless connectivity options such as T1/E1, T3/E3, xDSL, copper and fiber GE.
Note:
Release Date: 13-OCT-2009
AC Input Voltage: 100 to 240 VAC auto ranging
Power Supply: AC; PoE; and DC
Serial console port: 1
RJ-45-based ports: 3
USB Console port (Type B) (up to 115.2 kbps) 1: 1
Dimensions (HxWxD): 3.5 x 17.25 x 18.5 in. (88.9 x 438.2 x 469.9 mm)
AC Input Current: 3.4 to 1.4A range (max AC power supply)
AC Input Surge Current: < 50A
Integrated WAN Ports: 3 GE; (1 SFP)
Modular LAN Switchports (with optional PoE): 50
Total onboard WAN 10-100-1000 Ports: 3
AC Input Frequency: 47 to 63 Hz
Rack Units: 2 RU
SFP-based ports (use of SFP port disables the corresponding RJ-45 port): 1
Serial auxiliary port: 1