• Cisco 2921-V/K9 enterprise router in black and silver with multiple ports
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Cisco

Cisco CISCO2921-V/K9 | 2921 Router, 3x GE, 4x EHWIC, Voice Bundle, IP Base

CISCO2921-V/K9

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Description

The Cisco 2921 Voice Bundle is a modular Integrated Services Router from the Cisco 2900 Series (ISR G2), built for small and midsize branch offices that need routing, voice gateway functions, security and WAN connectivity in a single chassis. It supports Cisco Unified CME and SRST, Cisco Unified Border Element and VoiceXML services.

The chassis provides 3 onboard 10/100/1000 Gigabit Ethernet WAN ports (RJ-45), plus one SFP-based GE port that shares with one of the RJ-45 ports. Expansion comes from 4 EHWIC slots (2 double-wide capable), 3 onboard PVDM3 DSP slots, 1 Service Module slot and 1 ISM slot. It ships with 512 MB DDR2 ECC DRAM, upgradeable to 2 GB, and includes embedded hardware-based encryption acceleration. It supports up to 100 Cisco Unified SRST sessions and 100 CME sessions. This SKU includes the IP Base technology package and runs the single Cisco IOS Universal image.

It accepts EHWIC, HWIC, WIC, VIC and VWIC interface cards, PVDM3 DSP modules, SM and SM-D service modules including SRE modules, and Compact Flash storage. The internal AC supply can be swapped for an optional PoE-capable or DC supply, and an external Cisco RPS 2300 can be added for redundancy or PoE boost.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Single Cisco IOS Universal image with technology sets activated by software licence
- Multigigabit Fabric (MGF) for module-to-module communication
- Embedded IPSec VPN hardware acceleration
- Voice and video capable PVDM3 DSP slots on the motherboard
- Cisco Unified CME, SRST, Unified Border Element and VoiceXML support
- Supports Services Ready Engine (SRE) service modules and WAAS Express
- USB console port alongside traditional console and auxiliary ports
- Optional PoE-capable and DC power supplies, plus external Cisco RPS 2300 support

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Onboard WAN ports: 3 x 10/100/1000 Gigabit Ethernet (RJ-45)
- SFP-based GE port: 1 (use of the SFP port disables the corresponding RJ-45 port)
- EHWIC slots: 4 (2 double-wide capable, each consuming two EHWIC slots)
- Onboard DSP (PVDM3) slots: 3
- Service Module slots: 1 (double-wide capable)
- ISM slots: 1
- Memory (DDR2 ECC DRAM): 512 MB default, 2 GB maximum
- Compact Flash slots: 2 external, upgradeable to 4 GB
- USB 2.0 ports: 2
- Cisco Unified SRST sessions: up to 100
- Cisco Unified CME sessions: up to 100
- Concurrent services WAN performance: up to 75 Mbps
- Service module aggregate throughput toward route processor: up to 4 Gbps
- EHWIC slot aggregate throughput toward route processor: up to 1.6 Gbps
- Embedded hardware-based cryptography and acceleration: Yes
- Technology package: IP Base
- Software: Cisco IOS 15.0(1)M and later

FAQs

Q: Which technology package does this SKU include?
A: CISCO2921-V/K9 includes the IP Base technology package. The router runs a single Cisco IOS Universal image, and the Data, Unified Communications and Security packages are activated separately by software licence.

Q: Can the router be powered over PoE or from DC?
A: The default is an internal AC power supply. An optional PoE-capable internal supply (PWR-2921-51-POE) and a DC supply are available, and an external Cisco RPS 2300 can provide redundancy or PoE boost.

Q: Which interface cards and modules does it support?
A: It supports EHWIC, HWIC, WIC, VIC and VWIC interface cards, PVDM3 DSP modules, SM and SM-D service modules including SRE modules, ISM modules and Compact Flash storage.

Q: Can I use the SFP port and all three RJ-45 ports at once?
A: No. The SFP-based GE port shares with one of the RJ-45 ports, so using the SFP port disables the corresponding RJ-45 port.

Q: How many voice sessions does it support for branch survivability?
A: It supports up to 100 Cisco Unified SRST sessions and up to 100 Cisco Unified CME sessions, with three onboard PVDM3 DSP slots for voice and video processing.

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