Cisco 2900 Series Integrated Services Routers Data Sheet - Cisco
C2951-CME-SRST/K9 - Cisco 2900 Series 2951 3 x Ports 1000Base-T + 4 x EHWIC Slots + 3 x DSP Slots + 1 x ISM Slot 2U Rack-mountable Integrated Service Router
Cisco 2900 Series Integrated Services Routers - Cisco
Amazon.com: Cisco Services Ready Engine 910 Sm - Control Processor - Gige - Plug-In Module - For P/N: C2951-Ucse/K9, C2951-Waas-Ucse/K9, C3945-Es24-Ucse/K9, C3945-Waas-Ucse/K9 "Product Type: Networking/Specialized Network Devices" : Electronics
C2951-VSEC/K9 - Cisco 2900 Series 2951 3 x Ports 1000Base-T + 4 x EHWIC Slots + 3 x DSP Slots + 1 x ISM Slot 2U Rack-mountable Integrated Service Router