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CISCO 1941 W/2 GE 2 EHWIC SLOTS 256MB CF 512MB DRAM IP BASE (CISCO1941/K9) (ROUTER) Singapore: Banglore Air Cargo: NOS: 6: 87,555: 14,592: Nov 22 2016: 85176930: CISCO2901-16TS/K9: 2901 W/ HWIC-16A AND 2CAB-HD8-ASYNC TERMINAL SERVER BUNDLE includes HWIC-16A & CAB-HD8-ASYNC(Router) China: Chennai Air Cargo: SET: 1: 178,937: 178,937: Nov 22 2016. Cisco 2900 Series can offer 2 or 3 GE ports with 1 SFP ports, 4 EHWIC Slots, 2 SM slots with 1 SIM slots, and 3 DSP slots. In addition, their RAM and Flash Memory are scalable, maximum 2.5G RAM and 8G flash. CISCO1841 Cisco 1841 Modular Router w/2xFE, 2 WAN slots, 64 FL/256 DR CISCO1941/K9 Cisco 1941 Router w/2 GE,2 EHWIC slots,256MB CF,512MB DRAM,IP Base CISCO2801 Cisco 2801 router 2801 w/AC PWR, 2FE,4slots(2HWIC), 2PVDM, 2AIM, IP BASE, 128F/384D CISCO2901/K9 Cisco 2901 router w/2 GE,4 EHWIC,2 DSP,256MB CF,512MB DRAM,IP Base.

If you wanna buy a Cisco router to set up your network, maybe you are confused with the detailed functions of these models, such as Cisco 1921, Cisco 1941 and Cisco 2901. Which one would be better for your network setup? For example, if you need one that support over 10 routing protocol such as OSPF, BGP, EIGRP, PIM-SM, IGMPv3, static IPv4 routing, static IPv6 routing; an evolutionary platform with multicore CPUs, etc. the CISCO1941W-E/K9 may be not a bad choice.

So what are the main differences between the following routers: Cisco 2901, Cisco 1941 and Cisco 1921? Here we list the main differences and features of Cisco 1921, CISCO 1941 and Cisco 2901 in the following table:

Cisco 1921, Cisco 1941 and Cisco 2901 Comparison

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Cisco 2901 routerdelivers highly secure data, voice, video, and application services for small offices. It offers 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, xDSL, copper and fiber GE.

Key features of Cisco 2901/k9 includes:

• a. 2 integrated 10/100/1000 Ethernet ports
• b. 4 enhanced high-speed WAN interface card slots
• c. 2 onboard digital signal processor (DSP) slots
• d. 1 onboard Internal Service Module for application services
• e. Fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE) and Cisco Enhanced PoE
• f. Security: Embedded hardware-accelerated VPN encryption for secure collaborative VPN communications; Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, and Cisco IOS Content Filtering; Identity management that uses authentication, authorization, and accounting (AAA) and public key infrastructure
• g. Voice: High-density-packet voice DSP module, optimized for voice and video; Standards-certified VoiceXML browser services; Cisco Unified Border Element capabilities; Cisco Unity Express voicemail support; Support for Cisco Communications Manager Express and Survivable Remote Site Telephony

The 2901 router that will be used as an example in the following part is the successor to Cisco’s 2500, 2600 and 2800 series lines of routers. It is 1RU (Rack Unit) in size and is often referred to as a ‘pizza box’ router.

The Front and Back of the Cisco 2901/Cisco 2901 Router-Front and Rear View

Here we will focus on the hardware setup of a Cisco router. There are a number of different module options that are available for the Cisco 2901 router. The first thing that any engineer must do with a new router (or new to them) is to configure and update it to meet the needs of its intended role in the network. To do this the engineer must connect a cable to the 2901 router to access the console of the device. With older routers the only option when connecting to the console was via a custom rollover cable which was then used in combination with a RJ-45 to DB-9 or DB-25 converter which enabled a connection with a serial port on a PC. Since almost all newer PCs (including laptops) no longer have conventional serial ports many companies have developed USB to serial cable adapters which allow a connection to these older devices via a modern USB port. The 2901 has two different available methods of connection; via the older style RJ-45 port and a rollover cable OR via a direct mini-USB connection to the device.

The Cisco 2901 (and most new series devices) includes built-in Gigabit Ethernet interfaces (2) that can be used to connect the router to the network. The Gigabit Ethernet ports on routers are pinned the same as hosts/PC’s and do not require crossover Ethernet cables to connect to Switches. Some of the higher model routers also support small-form-factor pluggable (SFP) Gigabit Ethernet ports which enable the use of fiber directly into the device.

Size of Cisco 2901

The Cisco 2901 router is able to be used in a number of different physical locations. It is small enough to be used as a desktop device or it can be used in a 19 or 23 inch rack with the addition of rack brackets. The routers that are placed into racks are higher in model number than the 2901 and therefore are larger than 1RU.

Limitations of CISCO 2901 ROUTER

The Cisco 2901 is limited in the type of additional modules that it can utilize. In the rear of the 2901 there are four Enhanced High-Speed Interface Card (EHWICs) slots. The Cisco 2911 router, for example, also supports a single Service Module (SM) on top of supporting the same four EHWIC slots. Generally speaking the higher the router series number the more flexibility will exist on type of module supported.

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