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C1921-4SHDSL/K9
- Description:
- Cisco 1921 4-pair SHDSL Bundle, HWIC-4SHDSL, IP Base Lic
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C1921-4SHDSL/K9
Cisco 1921 4-pair SHDSL Bundle, HWIC-4SHDSL, IP Ba...
$1,995.00
$999.00
32 in Global Warehouse
$999.00
50% off
TRUSTED, TRIED, PROVEN
C1921-4SHDSL/K9 Overview
C21-4SHDSL/K9 is a high-performance integrated services router built on a modular architecture that enables flexibility in deployment. It provides multiple power options with an AC power supply, supports dedicated WAN connectivity via its integrated SHDSL port, and features four built-in LAN RJ-45 interfaces to ensure seamless connectivity for enterprise branch environments.
Designed to support critical integrated services such as VPN, firewall, and voice integration, this device offers robust performance with a throughput capacity of approximately 0.075 Gbps and built-in redundancy features for secure, reliable operations. Its modular expansion capability using EHWIC and NIM slots, combined with comprehensive routing protocols and management features, make it well suited for small business to enterprise use cases.
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C1921-4SHDSL/K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / SSL VPN / DMVPN |
| Power Source | AC Power Supply |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
| Broadband | DSL |
| Architecture | Modular |
| WAN Configuration | WAN |
| WAN Ports | 1 WAN |
| LAN Ports | 4 LAN Ports |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IPv4 / IPv6 |
| Remote Management | SSH / Telnet / SNMP |
| Compliance Standards | FCC / CE / RoHS |
| Wireless Support | No |
| Speed/Capacity | N/A |
| Firewall Features | Yes |
| Features | VPN / IPv6 Compatible / Firewall |
| Use Case | Enterprise / Small Business |
| Management | Managed |
| Form Factor | Desktop |
| Integrated Services | Voice / Video |
| High Availability Support | Not Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | 0.075 Gbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall / Intrusion Prevention |
| Expansion Slots | EHWIC / NIM |
| Modular Slots Available | 2 Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 512 MB |
| Flash Memory | 256 MB |
| Interface Ports | RJ-45 |
| Power | 65 W |
| Device Type | Router |
| Product Name | Cisco 1921 Integrated Services Router with 4-Port SHDSL |
| Height | 1.73 inches |
| Width | 17.32 inches |
| Depth | 11.10 inches |
| Weight | 8 lbs |
C1921-4SHDSL/K9 Use Case
High-Speed Symmetric Connectivity for Remote Branch Offices
A national retail chain deploys Cisco 1921 4-pair SHDSL Bundle (HWIC-4SHDSL, IP Base Lic) to connect 50+ remote outlets. The solution delivers up to 22.8 Mbps symmetric bandwidth over existing copper, enabling real-time POS transactions, centralized inventory management and VoIP without truck rolls. Benefit: rapid deployment, predictable performance and lower OPEX through cost-effective use of legacy lines.
Secure WAN Failover for Financial Services
A regional bank integrates the Cisco 1921 4-pair SHDSL Bundle with MPLS primary links at its data centers and branches. On MPLS outages, HWIC-4SHDSL seamlessly takes over, preserving encrypted IP-Sec tunnels and critical transaction workflows. Benefit: zero-touch failover, regulatory compliance, and guaranteed uptime for high-value financial operations.
Resilient Industrial Automation Network in Manufacturing Plants
An automotive manufacturer implements the Cisco 1921 4-pair SHDSL Bundle to link PLCs and SCADA controllers across multiple factory floors. The IP Base License enables advanced routing and VPN services, while SHDSL ensures deterministic, low-latency control loops. Benefit: enhanced production efficiency, minimized downtime and scalable connectivity for Industry 4.0 initiatives.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Modular | Modular | Fixed |
| Broadband | N/A | N/A | DSL | DSL | 3G |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE | FCC, CE | FCC / CE / RoHS | FCC, CE, RoHS | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | 12.5 inches | 12.3 inches | 11.10 inches | 11.22 inches | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | FCC, CE | N/A | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | EHWIC | EHWIC | EHWIC / NIM | NIM | EHWIC |
| Features | VPN / Firewall / IPv6 Compatible / Integrated Services | VPN / IPv6 Compatible / Firewall / Syslog | VPN / IPv6 Compatible / Firewall | VPN / Firewall / IPv6 Compatible | VPN / Firewall / IPv6 Compatible / Integrated Services |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 128 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Desktop / Rack-mount | Rack-mount | Desktop | Rack-mount | Desktop / Rack-mount |
| Height | 1.73 inches | 1.73 inches | 1.73 inches | 1.73 inches | N/A |
| High Availability Support | Not Supported | Supported | Not Supported | Supported | Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization | Voice / Video | Voice | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 2 LAN Ports | 4 LAN Ports | 4 LAN Ports | 2 LAN Ports | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 512 MB | 512 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 1 Slot |
| Network Protocols | IPv4 / IPv6 | IPv4, IPv6 | IPv4 / IPv6 | IPv4, IPv6, MPLS | IPv4 / IPv6 |
| Power | 54 W | 50 W | 65 W | 65 W | 65 Watt |
| Power Source | AC Power Supply | AC Power Supply / DC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | C1-CISCO1941/K9 Cisco 1941 Integrated Services Router | Cisco 1941 Security Services Router (C1941-SEC-SRE/K9) | Cisco 1921 Integrated Services Router with 4-Port SHDSL | Cisco 1921 Integrated Services Router with ADSL2 (C1921-ADSL2-M/K9) | Cisco 1921 Integrated Services Router (C1921-3G-S-K9) |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH / SNMP / HTTP / HTTPS | SSH, Telnet, SNMP | SSH / Telnet / SNMP | HTTP/HTTPS, Telnet, SSH, SNMP | CLI / SNMP / SSH |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | UL/cUL | N/A | N/A | N/A |
| Speed/Capacity | N/A | N/A | N/A | Gigabit | Fast Ethernet |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | TIA/EIA | N/A | N/A | N/A |
| Throughput Capacity | N/A | 0.075 Gbps | 0.075 Gbps | 0.05 Gbps | 100 Mbps |
| Use Case | Enterprise / Business | Enterprise | Enterprise / Small Business | Business / Small Business / Enterprise | Enterprise / Small Business |
| VPN Support | IPSec VPN / SSL VPN / DMVPN | IPSec / SSL VPN / N/A / N/A / N/A / N/A | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN / N/A | IPSec / SSL VPN / DMVPN |
| WAN Configuration | WAN | Dual WAN | WAN | WAN | WAN |
| WAN Ports | 2 WAN | 2 WAN | 1 WAN | 1 ADSL2 Port | 1 WAN |
| Weight | 11.8 lbs | 7 lbs | 8 lbs | 11.33 lbs | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17.1 inches | 17.5 inches | 17.32 inches | 17.24 inches | N/A |
| Wireless Support | No | No | No | No | No |
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Questions & Answers
Q
What is the Cisco 1921 4-pair SHDSL Bundle (SKU C1921-4SHDSL/K9)?
A
The Cisco 1921 4-pair SHDSL Bundle (C1921-4SHDSL/K9) is an integrated WAN solution comprising a Cisco 1921 Integrated Services Router, an HWIC-4SHDSL high-speed SHDSL interface card, and an IP Base license for advanced routing and security features.
Q
What components are included in the Cisco 1921 4-pair SHDSL Bundle?
A
The bundle includes a Cisco 1921 ISR chassis, one HWIC-4SHDSL module, an IP Base software license, power supply, rack-mount kit, and access to Cisco IOS Software.
Q
What data rates and line distances does the HWIC-4SHDSL support?
A
The HWIC-4SHDSL supports symmetrical data rates from 192 kbps to 5.6 Mbps per pair, aggregates up to 22.4 Mbps over four pairs, and covers distances up to 4 km over standard copper wiring.
Q
What are the typical use cases for SHDSL on the Cisco 1921?
A
Ideal for small to medium enterprises requiring symmetric bandwidth for applications like VPN, VoIP, video conferencing, and cloud access over existing copper infrastructure.
Q
Which license is required and included in the bundle?
A
The IP Base license is included, providing essential routing, security, and basic Quality-of-Service (QoS) features; no additional license purchase is needed for core functionality.
Q
How do I install the HWIC-4SHDSL module in the Cisco 1921 router?
A
Power down the router, slide the HWIC-4SHDSL into an available high-speed WAN interface card slot, secure it with the captive screw, and power up the device to auto-detect the new module.
Q
Does the Cisco 1921 SHDSL bundle support Quality of Service (QoS)?
A
Yes, the IP Base license enables built-in QoS features including classification, marking, shaping, and policing to prioritize voice, video, and data traffic over SHDSL.
Q
Can I run IPv6 over SHDSL on this router?
A
Yes, the Cisco 1921 supports IPv6 routing over SHDSL with full dual-stack capability, enabling seamless migration and future-proof connectivity.
Q
What routing protocols are supported with the IP Base license?
A
The IP Base license supports static routing, OSPF, EIGRP, and BGP Lite for flexible WAN connectivity and dynamic routing over SHDSL links.
Q
What are the power and environmental requirements for the Cisco 1921?
A
The router operates at 100–240 VAC, consumes 25–30 Watts, supports operating temperatures from 0 °C to 40 °C, and meets ETSI and NEBS environmental standards.
Q
What warranty and support options are available for this product?
A
Cisco offers a one-year limited hardware warranty and the option to purchase SMARTnet® support for 24/7 technical assistance, software updates, and hardware replacement.
Q
How many SHDSL lines can this bundle aggregate?
A
The HWIC-4SHDSL module aggregates up to four independent SHDSL pairs, delivering a combined bandwidth of up to 22.4 Mbps.
Q
What management and monitoring tools are available?
A
Manage the device using Cisco IOS CLI, Cisco Configuration Professional, or SNMP with integration into Cisco Prime for real-time monitoring and diagnostics.
Q
What throughput performance can I expect from the Cisco 1921 with SHDSL?
A
The Cisco 1921 delivers up to 25 Mbps of aggregate WAN throughput, depending on enabled services and line quality over SHDSL links.
Q
Where can I obtain software updates and product documentation?
A
Access the Cisco Software Download Center for IOS updates and the Cisco Support & Documentation portal for installation guides, datasheets, and configuration examples.
Q
What security features are included with the IP Base license?
A
The IP Base license provides stateful firewall, zone-based firewall, VPN client and site-to-site IPsec support, and secure management protocols such as SSH and HTTPS.
