The Cisco CISCO2951K9 is a versatile and efficient networking solution designed to cater to a wide range of communication needs. It is equipped with a plethora of features aimed at providing secure, reliable, and high-speed data and voice communications. This product overview delves into the hardware specifications that make the CISCO2951K9 an ideal choice for businesses looking to enhance their network infrastructure. At the heart of the CISCO2951K9's capabilities is its embedded hardware-based cryptography and acceleration, ensuring secure data transmission without compromising on speed. It supports up to 250 Cisco Unified SRST sessions and 150 Cisco Unified CCME sessions, making it suitable for medium to large-scale operations. The device is equipped with three RJ-45-based ports and one SFP-based port, offering flexibility in connecting different types of network cables and devices. For expanding network capabilities, the CISCO2951K9 includes two service module slots and one double-wide service module slot. Additionally, it has three onboard WAN 10/100/1000 GE ports for high-speed internet connectivity. To further enhance its functionality, the router comes with four Enhanced High-Speed WAN Interface Card (EHWIC) slots, three Digital Signal Processor (DSP) slots, and one Internal Services Module (ISM) slot. Memory and storage are crucial for efficient networking operations. The CISCO2951K9 is initially equipped with 512 MB DRAM and 256 MB of flash memory. It supports a maximum memory of up to 2 GB DRAM, allowing for significant upgrades to meet the demands of growing businesses. For external storage, there are two USB 2.0 flash memory slots (Type A) and a USB console port (Type B) for easy device management.

• Feature Set: IP Base
• Double-Wide EHWIC Slots: 2
• Power Supply Options: AC, PoE, and DC

In terms of power, the CISCO2951K9 offers flexibility with AC, PoE, and DC power supply options. It operates on an AC input voltage of 100 to 240 VAC auto-ranging, ensuring compatibility with a wide range of power sources worldwide. The device's typical power consumption is 70 W, making it an energy-efficient choice for businesses. Physically, the CISCO2951K9 measures 3.5 x 17.25 x 18.5 inches and occupies 2 rack units (RU) in height, making it compact enough for easy integration into existing rack setups without occupying excessive space. Its design is focused on maximizing functionality while maintaining a footprint conducive to dense network environments. In summary, the Cisco CISCO2951K9 integrates essential features and specifications for advanced networking requirements. Its support for a wide range of sessions, flexibility with various port options, expandable memory, and power supply versatility make it a comprehensive solution for businesses looking to upgrade or expand their network capabilities. With its secure data transmission features and efficient power consumption, the CISCO2951K9 stands out as a reliable and scalable networking router.

Part Number and Manufacturer	CISCO2951K9, Cisco
Integrated Cryptography and Acceleration	Yes
Supported Cisco Unified SRST Sessions	250
Supported Cisco Unified CCME Sessions	150
RJ-45 Ports Count	3
SFP Ports Availability	1
Slots for Service Modules	2
Slots for Double-Wide Service Modules	1
Onboard WAN 10/100/1000 GE Ports Count	3
EHWIC Slots Number	4
DSP Slots Count	3
ISM Slots Availability	1
DRAM Memory	512 MB
Flash Storage	256 MB
Installed Feature Set	IP Base
Double-Wide EHWIC Slot Count	2
Maximum DRAM Support	2 GB
External USB 2.0 Flash Memory Slots (Type A) Count	2
USB Console Interface (Type B)	1
Serial Console Interface Quantity	1
Options for Power Supply	AC, PoE, DC
AC Power Input Range	100 to 240 VAC Auto Ranging
Maximum AC Surge Current	Less Than 50 A
Typical Power Consumption	70 W
Dimensions (Height x Width x Depth)	3.5 x 17.25 x 18.5 in.
Standard Rack Unit Height	2 RU