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CISCO1841-2SHDSL
- Description:
- 1841 2-pair G.SHDSL bundle, HWIC-2SHDSL, IP Base, 64F/256 D
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3 Year Extended Warranty
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Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
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All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
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CISCO1841-2SHDSL Overview
CISCO1841-2SHDSL is a fixed modular enterprise router designed with dual integrated SHDSL WAN interfaces and two built-in 10/100 LAN ports, offering versatile power options via an external AC power supply. Its innovative design incorporates integrated services such as voice, VPN, and firewall security while maintaining a compact form factor for branch office deployments.
Built for high-performance and reliable connectivity, the router supports a wide range of routing protocols – including OSPF, BGP, EIGRP, RIP, and static routing – and modular expansion through two NIM slots. Ideal for secure enterprise and small business use cases, the device delivers robust throughput (up to 25 Mbps) and quality-of-service features, ensuring efficient VPN connectivity and comprehensive network management for distributed networks.
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CISCO1841-2SHDSL Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / SSL VPN / N/A |
| Power Source | AC Power Supply |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing |
| Broadband | DSL |
| Architecture | Fixed |
| WAN Configuration | Dual WAN |
| WAN Ports | 2 WAN |
| LAN Ports | 2 LAN Ports |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IPv4 / IPv6 / ICMP / TCP / UDP |
| Remote Management | Telnet / SSH / SNMP |
| Compliance Standards | FCC / CE |
| Wireless Support | No |
| Speed/Capacity | N/A |
| Firewall Features | Yes |
| Features | Voice / VPN / IPv6 Compatible / Firewall |
| Use Case | Enterprise / Small Business |
| Management | Managed |
| Form Factor | Rack-mount / Desktop |
| Integrated Services | Voice / N/A |
| High Availability Support | Not Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | 25 Mbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall / Intrusion Prevention |
| Expansion Slots | NIM |
| Modular Slots Available | 2 Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 256 MB |
| Flash Memory | 128 MB |
| Interface Ports | RJ-45 |
| Power | 95 W |
| Device Type | Router |
| Product Name | CISCO1841-2SHDSL |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
CISCO1841-2SHDSL Use Case
Branch Office Business Continuity with Bonded 2-Pair G.SHDSL
A rural branch office with no fiber access deploys the Cisco1841-2SHDSL-1841 2-pair G.SHDSL bundle (HWIC-2SHDSL, IP Base, 64F/256D) to bond two copper pairs for up to 4 Mbps symmetric WAN. Using IOS IP Base link-monitoring and automatic failover, the router switches to the secondary DSL in under one second when the primary link degrades. Benefit: Achieves 99.7% uptime SLAs, eliminates single-point failures, and ensures continuous access to cloud and ERP applications without costly fiber builds.
Scalable Multi-Site VPN Backhaul for SMB Retail Chain
An SMB retail chain interconnects ten stores over bonded G.SHDSL using Cisco1841-2SHDSL-1841 with HWIC-2SHDSL, IP Base and 64F/256D throughput. Each site terminates an encrypted IPsec VPN to a central data center, delivering consistent 2 Mbps symmetric bandwidth for POS, inventory sync and VoIP. Benefit: Simplifies WAN operations with a uniform Cisco IOS feature set, scales on copper infrastructure, and reduces total link cost by 40% versus MPLS.
Secure Remote Worker Connectivity for Financial Services
A regional bank equips remote loan officers with Cisco1841-2SHDSL-1841 routers (HWIC-2SHDSL, IP Base, 64F/256D) to bond two DSL lines at customers’ home offices. The solution enforces AES-256 VPN tunnels to headquarters and prioritizes SIP traffic over data using MQC QoS policies. Benefit: Delivers guaranteed symmetric bandwidth for real-time voice, enforces regulatory encryption standards, and boosts end-user productivity with predictable performance on existing copper pairs.
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 | Fixed | Fixed |
| Broadband | DSL | N/A | N/A | N/A | DSL |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention | Firewall |
| Compliance Standards | FCC / CE | IEEE 802.3, IEEE 802.3u | FCC / CE | FCC / CE | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired / Wireless | Wired |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | FCC / CE | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | NIM | EHWIC | EHWIC | EHWIC | HWIC / NIM |
| Features | Voice / VPN / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall | VPN / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 256 MB | 128 MB | 256 MB | 128 MB |
| Form Factor | Rack-mount / Desktop | Rack-mount | Desktop | Desktop | Rack-mount |
| Height | N/A | N/A | N/A | N/A | N/A |
| High Availability Support | Not Supported | Not Supported | Not Supported | Not Supported | Supported |
| Integrated Services | Voice / N/A | Voice | Voice / Video / WAN Optimization | Voice / Video | Voice / Video |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 / Combo Ports | RJ-45 |
| LAN Ports | 2 LAN Ports | N/A | 4 LAN Ports | 4 LAN Ports | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 128 MB | 64 MB | 512 MB | 128 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 / ICMP / TCP / UDP | IPv4, IPv6, MPLS | BGP / EIGRP / OSPF / RIP / Static Routing | IPv4 / IPv6 | OSPF / EIGRP / RIP / Static Routing |
| Power | 95 W | 73 W | 65 Watt | 65 Watt | 65 Watt |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | CISCO1841-2SHDSL | Cisco 1841-3G-G | Cisco 1841 Integrated Services Router | CISCO1801WM-AGB/K9 | CISCO1841-SHDSL-V3 |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet / SSH / SNMP | Telnet, SSH, SNMP | Telnet / SSH / SNMP | Telnet / SSH / SNMP | Telnet / SSH |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | UL / CE | N/A | N/A |
| Speed/Capacity | N/A | N/A | N/A | Gigabit | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 25 Mbps | 0.045 Gbps | 0.035 Gbps | 0.05 Gbps | 0.03 Gbps |
| Use Case | Enterprise / Small Business | Small Business | Business / Small Business / Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN / N/A | IPSec | IPSec / GRE / N/A | IPSec | IPSec |
| WAN Configuration | Dual WAN | WAN | Dual WAN | Dual WAN | WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 1 WAN |
| Weight | N/A | N/A | 7.5 lbs | N/A | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | WiFi 3 | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
| Wireless Support | No | No | No | Yes | No |
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Questions & Answers
Q
What is the Cisco 1841 2-pair G.SHDSL bundle (CISCO1841-2SHDSL)?
A
The CISCO1841-2SHDSL bundle combines a Cisco 1841 router with an HWIC-2SHDSL module, IP Base software and 64F/256D memory for reliable G.SHDSL connectivity.
Q
What key features does the CISCO1841-2SHDSL offer?
A
It offers dual-pair G.SHDSL WAN, integrated security, IP Base routing, 64 MB Flash, 256 MB DRAM, modular expansion and QoS support for voice and data.
Q
How does the HWIC-2SHDSL module enhance my network?
A
The HWIC-2SHDSL provides two independent G.SHDSL ports for symmetrical high-speed WAN links, reducing costs and improving uptime.
Q
What G.SHDSL speeds can I achieve with this bundle?
A
You can achieve up to 5.7 Mbps aggregate symmetrical bandwidth over two pairs, ideal for small-branch voice, video and data services.
Q
Is the Cisco 1841 bundle compatible with IP Base software?
A
Yes. It ships with Cisco IOS IP Base, delivering advanced routing, security features and modular interface support out of the box.
Q
How many VPN tunnels can the Cisco 1841 support?
A
With IPsec acceleration, it supports up to 50 simultaneous VPN tunnels, ensuring secure site-to-site and remote access connectivity.
Q
What security features are included in the bundle?
A
Built-in features include stateful firewall, intrusion prevention, VPN encryption (IPsec and SSL) and authentication services.
Q
Does the CISCO1841-2SHDSL support Quality of Service (QoS)?
A
Yes. It provides granular QoS controls—classify, mark, queue and shape traffic—to prioritize critical voice and video applications.
Q
How do I install the HWIC-2SHDSL module in the Cisco 1841?
A
Power down the router, insert the HWIC-2SHDSL into an available HWIC slot, tighten the captive screws, then power on and configure.
Q
Can I enable IPv6 on the Cisco 1841 2-pair G.SHDSL bundle?
A
Absolutely. The IOS IP Base supports full IPv6 routing, addressing and transition mechanisms for dual-stack deployments.
Q
What power requirements does the Cisco 1841 router have?
A
It operates on 100–240 VAC, 50–60 Hz, consuming approximately 30 W under full load for energy-efficient branch deployments.
Q
What warranty and support come with the CISCO1841-2SHDSL?
A
Cisco includes a 1-year hardware warranty, with optional SMARTnet for 24×7 support, advance replacement and software updates.
Q
How can I configure G.SHDSL settings on the HWIC-2SHDSL?
A
Use IOS CLI: define controller SHDSL slot/port, set line code, bandwidth and clock source, then apply interface configuration.
Q
What are the typical use cases for this G.SHDSL bundle?
A
Ideal for small-branch interconnects, remote site backhaul, voice/data integration and cost-effective symmetrical broadband services.
Q
Can I upgrade the IP Base license to Advanced Security on this platform?
A
Yes. You can upgrade to Cisco 1841 Advanced Security or Unified Communications licenses for enhanced threat defense and voice features.
Q
How do I troubleshoot connectivity issues on the G.SHDSL link?
A
Verify physical wiring, check controller SHDSL status, review line attenuation and SNR, and use IOS debug commands for diagnostics.
