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C2821-4SHDSL/K9, Cisco 2821 Router, 4-pair G.SHDSL/128F Flash/512D RAM

  • Brand: Cisco
  • Model: C2821-4SHDSL/K9
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List Price: $4,495.00
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$2,535.00
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C2821-4SHDSL/K9, Cisco 2821 Router, 4-pair G.SHDSL/128F Flash/512D RAM
C2821-4SHDSL/K9, Cisco 2821 Router, 4-pair G.SHDSL/128F Flash/512D RAM US$2,535.00
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    C2821-4SHDSL/K9, Cisco 2821 Router, 4-pair G.SHDSL/128F Flash/512D RAM

    C2821-4SHDSL/K9, Cisco 2821 Router, 4-pair G.SHDSL/128F Flash/512D RAM

    100% Genuine Ready to Ship
    $4,495.00
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    $2,535.00
    Overview
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    Overview

    Cisco C2821-4SHDSL/K9 Overview

    The Cisco C2821-4SHDSL/K9 is an enterprise-class router designed for service providers and business networks that rely on high-performance DSL aggregation. With up to 179 Mbps routing and switching capacity, it delivers stable throughput for multi-site VPNs and managed WAN services. Its integrated 4-pair G.SHDSL.bis interfaces support up to 22.784 Mbps over copper, ideal for regions where fiber is limited. Featuring 512 MB DRAM, 128 MB flash, and integrated security services, this rack-mountable platform suits Asian, European, African, and North American deployments.

    Product Highlights

    179 Mbps
    Routing Cap
    22.784 Mb
    DSL Rate
    4 ports
    G.SHDSL I/O

    Product Applications Scenarios

    Enterprise Network
    Provides reliable G.SHDSL.bis access for branch connectivity, reducing leased-line costs by up to 40% while maintaining secure, high-availability WAN links.
    Service Providers
    Enables multi-pair DSL aggregation with up to 22.784 Mbps per loop, simplifying CPE rollout and accelerating time-to-revenue for managed access services.
    Public Infrastructure
    Delivers stable DSL backhaul for transportation, utilities, and municipal sites, improving uptime and cutting field maintenance visits by up to 25%.

    Product Features Comparison

      Cisco C2821-4SHDSL/K9, Cisco 2821 Router, 4-pair G.SHDSL/128F Flash/512D RAM C3945-VSEC-SRE/K9, Cisco 3945 Integrated Services Router, SRE 700/PVDM3-64/UC, SEC Lic ASR1001-2.5G-SECK9, Cisco ASR1000 Router, 2.5G bandwidth/IPsec/Firewall CISCO1921-SEC/K9, Cisco 1921 Router, Security Bundle/SEC license/PAK
    Model C2821-4SHDSL/K9, Cisco 2821 Router, 4-pair G.SHDSL/128F Flash/512D RAM C3945-VSEC-SRE/K9, Cisco 3945 Integrated Services Router, SRE 700/PVDM3-64/UC, SEC Lic ASR1001-2.5G-SECK9, Cisco ASR1000 Router, 2.5G bandwidth/IPsec/Firewall CISCO1921-SEC/K9, Cisco 1921 Router, Security Bundle/SEC license/PAK
    Brand Cisco Cisco Cisco Cisco
    Routing Throughput Up to 179 Mbps n/a Max Performance: 2.5 Gbps n/a
    Interface Configuration 4 G.SHDSL interfaces; 4-pair G.SHDSL HWIC slot Router Interfaces: WAN: 3 x 10Base-T/100Base-TX/1000Base-T - RJ-45; Management: 1 x console - RJ-45; Management: 1 x console - mini-USB Type B; Serial: 1 x auxiliary - RJ-45; USB: 3 x 4-pin USB Type A; 1 x 10Base-T/100Base-TX/1000Base-T - RJ-45; 2 x SFP (mini-GBIC) Ports: 4 x Gigabit Ethernet RJ-45 onboard LAN/WAN 10/100/1000 ports: 2; EHWIC slots: 2
    Supported Protocol System Services: SP Services Network / Transport Protocol: TCP/IP, UDP/IP, RSVP, IPSec, PPPoE, L2TPv3; Routing Protocol: OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing, policy-based routing (PBR) n/a n/a
    VPN Capability Security: Integrated Security Services Features: Firewall protection, NAT support, hardware encryption, VPN support, MPLS support, Syslog support, content filtering, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED), Access Control List (ACL) support, Quality of Service (QoS), Dynamic Multipoint VPN (DMVPN) Encryption Support: Yes (SECK9 License) Embedded hardware-based cryptography acceleration (IPsec + SSL): Yes
    Integrated Features Management: Web, CLI, SNMP; Redundancy: Optional redundant power supply; Compliance: RoHS, FCC, CE Features: Firewall protection, NAT support, hardware encryption, VPN support, MPLS support, Syslog support, content filtering, IPv6 support, CBWFQ, WRED, ACL support, QoS, DMVPN Encryption Support: Yes (SECK9 License); Regulatory Compliance: CE, UL, FCC Bundle: Security Bundle with SEC license PAK; Integrated power supply: AC and DC power-supply models

    Optional Add-ons

    Model Number Description
    HWIC-4SHDSL Cisco 4-pair G.SHDSL High-Speed WAN Interface Card for C2821 and compatible ISR platforms
    PWR-2811-AC Cisco AC Power Supply module for 2800 Series routers, including C2821
    MEM2811-512D 512 MB DRAM memory upgrade module for Cisco 2811/2821 routers to enhance routing performance

    Quality Certifications

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Specification

    Cisco C2821-4SHDSL/K9 Specification

    Model
    C2821-4SHDSL/K9
    Brand
    Cisco
    Type
    Router
    Routing/Switching Capacity
    Up to 179 Mbps
    DSL Type
    G.SHDSL.bis
    DSL Throughput
    Up to 22.784 Mbps
    Memory (DRAM)
    512 MB
    Flash Memory
    128 MB
    WAN Ports
    4 G.SHDSL interfaces
    Interfaces
    4-pair G.SHDSL HWIC slot
    Security
    Integrated Security Services
    Form Factor
    Rack-mountable
    Power Supply
    AC 100-240 V (50/60 Hz)
    Operating Temperature
    0°C to 40°C (32°F to 104°F)
    Storage Temperature
    -20°C to 65°C (-4°F to 149°F)
    Dimensions (H x W x D)
    1.73 x 17.5 x 16.4 in
    Relative Humidity (Operating)
    10% to 85% (non-condensing)
    DSL Configuration
    4-pair G.SHDSL interface card (HWIC-4SHDSL)
    System Services
    SP Services
    Management
    Web, CLI, SNMP
    Redundancy
    Optional redundant power supply
    Compliance
    RoHS, FCC, CE
    Weight
    13.8 kg

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    Q&A

    Questions & Answers

    What accessories are available for the Cisco C2821-4SHDSL/K9 Router?

    Accessories for the Cisco C2821-4SHDSL/K9 include additional HWICs for expanded functionality, rack-mount kits, and power supply units.

    How does the Cisco C2821-4SHDSL/K9 compare to similar products?

    The Cisco C2821-4SHDSL/K9 offers superior G.SHDSL connectivity compared to other routers in its class, making it suitable for businesses needing high-speed internet over existing copper infrastructure.

    Can the Cisco C2821-4SHDSL/K9 be used in a home office setup?

    Yes, the Cisco C2821-4SHDSL/K9 can be used in a home office setup, although it is typically favored by small to medium-sized businesses for its enterprise-level features.

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