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)
- Security
- On-board encryption
- Support of up to 2500 VPN tunnels with the AIM-HPII-PLUS Module
- Antivirus defense support through Network Admission Control (NAC)
- Intrusion Prevention as well as stateful Cisco IOS Firewall support and many more essential security features
- Voice
- Analog and digital voice call support
- Optional voice mail support
- Optional support for Cisco CallManager Express for local call processing in stand alone business for up to 240 IP Phones
- Optional support for Survivable Remote Site Telephony support for local call processing in small enterprise branch offices for up to 720 IP phones
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