The Cisco 3845 Integrated Services Router is part of the Cisco 3800 Integrated Services Router Series which complements the Integrated Services Router Portfolio.
The Cisco 3845 Integrated Services Router provides the following support:
Wire-speed performance for concurrent services such as security and voice, and advanced services at full T3/E3 rates
Enhanced investment protection through increased performance and modularity
Enhanced investment protection through increased modularity
Increased density through High-Speed WAN Interface Card Slots (four)
Enhanced Network Module Slot
Support for over 90 existing and new modules
Support for majority of existing AIMs, NMs, WICs, VWICs, and VICs
Integrated GE ports with copper and fiber support
Optional Layer 2 switching support with Power over Ethernet (PoE) (as an option) , supports the 36-port Cisco EtherSwitch module (NMD-36ESW)