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Reliable 4-pair G.SHDSL router. HWIC-4SHDSL provides stable connectivity for high-demand branch networks.
CISCO1841-4SHDSL
1841 4-pair G.SHDSL bundle, HWIC-4SHDSL, IP Base, 64F/256D
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CISCO1841-4SHDSL
- Description:
- 1841 4-pair G.SHDSL bundle, HWIC-4SHDSL, IP Base, 64F/256D
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- Brand:
- Cisco
- GTIN:
- 818217063967
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CISCO1841-4SHDSL Overview
CISCO1841-4SHDSL is a modular enterprise router designed to deliver integrated services with robust performance and redundancy. It features a versatile architecture with dedicated WAN interfaces, including four SHDSL ports for symmetric high-speed data connectivity, while offering multiple LAN ports for local network interconnection. Its power options support external AC supply with redundant configurations to ensure continuous operation, and its modular capabilities allow for expansion through additional interface cards and network modules.
The router delivers secure VPN functionality, supports comprehensive routing protocols, and integrates voice and video services alongside data handling, making it ideal for branch office and enterprise use cases. Its high throughput and built-in security features, including firewalls and intrusion prevention, combine with streamlined remote management options to provide a resilient, performance-focused networking solution.
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CISCO1841-4SHDSL Specifications
- Product Type
- Enterprise Router
- VPN Support
- IPSec
- Power Source
- AC Power Supply / Redundant
- Routing Protocols
- OSPF / EIGRP / RIP / Static Routing
- Broadband
- DSL
- Architecture
- Modular
- WAN Configuration
- WAN
- WAN Ports
- 4 WAN
- LAN Ports
- 2 LAN Ports
- Ethernet Technology
- 10/100
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Network Protocols
- IP / TCP/IP / UDP / ICMP / SNMP
- Remote Management
- Telnet / SSH / SNMP / HTTP/HTTPS
- Compliance Standards
- FCC / CE / RoHS
- Wireless Support
- No
- Speed/Capacity
- N/A
- Firewall Features
- Yes
- Features
- VPN / IPv6 Compatible / Firewall
- Use Case
- Enterprise / Business
- Management
- Managed
- Form Factor
- Rack-mount
- Integrated Services
- Voice / Video / WAN Optimization
- High Availability Support
- Supported
- Safety
- UL
- EMC
- FCC / CE
- Telecom
- N/A
- Throughput Capacity
- 0.035 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
- 128 MB
- Flash Memory
- 256 MB
- Interface Ports
- RJ-45
- Power
- 65 W
- Device Type
- Router
- Product Name
- CISCO1841-4SHDSL
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
CISCO1841-4SHDSL Use Case
Remote Branch Connectivity with CISCO1841-4SHDSL 4-Pair G.SHDSL
Scenario: A financial services firm deploys the CISCO1841-4SHDSL-1841 4-pair G.SHDSL bundle (HWIC-4SHDSL, IP Base, 64F/256D) at a rural branch to aggregate four copper pairs into a single 16 Mbps symmetrical link and establish an IPsec VPN to headquarters. Outcome: Provides a cost-effective, high-availability connection with low-latency VoIP performance, secure data transport, and simplified management over legacy copper infrastructure.
Secure SCADA Telemetry over 4-Pair G.SHDSL in Remote Substations
Scenario: A utility provider installs the CISCO1841-4SHDSL with HWIC-4SHDSL and IP Base (64F/256D) at unmanned substations to transport SCADA telemetry over bundled copper lines at up to 16 Mbps symmetrical throughput. Outcome: Delivers deterministic bandwidth with AES encryption, ensures real-time monitoring and control, and meets stringent cybersecurity and regulatory compliance requirements.
Business Continuity and VoIP Failover with HWIC-4SHDSL on Cisco 1841
Scenario: A managed service provider integrates the CISCO1841-4SHDSL router (HWIC-4SHDSL, IP Base, 64F/256D) into an active/passive dual-WAN architecture, using OSPF and object tracking to switch between G.SHDSL and broadband links. Outcome: Achieves seamless failover, maintains SLA-driven uptime for critical VoIP and data services, and minimizes operational disruption during primary link outages.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 CISCO1841-4SHDSL |  CISCO1802 |  CISCO1801-M/K9 |  CISCO1803W-AG-B/K9 |  CISCO1841-ADSL2-I | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Fixed | Fixed | Fixed | Fixed |
| Broadband | DSL | DSL | N/A | N/A | DSL |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention | Firewall | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE / RoHS | IEEE 802.3, 802.3u, 802.3ab | FCC, CE | IEEE 802.11b/g | FCC / CE |
| Connectivity Type | Wired | Wired | Wired | Wired / Wireless / Ethernet | Wired |
| Depth | N/A | 13 inches | N/A | 10 inches | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | FCC / CE | FCC, CE | N/A | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100/1000 | 10/100 | 10/100 | 10/100 Fast Ethernet |
| Expansion Slots | EHWIC / NIM | NIM, EHWIC | NIM | NIM | EHWIC / NIM |
| Features | VPN / IPv6 Compatible / Firewall | VPN, VoIP, IPv6 Compatible, Firewall, MPLS | VPN / IPv6 Compatible / Firewall | VPN, Firewall, Integrated Services, IPv6 Compatible | VPN / Firewall / IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 256 MB | 128 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Desktop | Desktop | Desktop / Rack-mount |
| Height | N/A | 1.75 inches | N/A | 1.5 inches | N/A |
| High Availability Support | Supported | Supported | Supported | Not Supported | Not Supported |
| Integrated Services | Voice / Video / WAN Optimization | Voice, Video, WAN Optimization | Voice | Voice, Data | Voice / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45, Combo Ports | RJ-45 | RJ-45 | RJ-45 / ADSL |
| LAN Ports | 2 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 2 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 128 MB | 512 MB | 512 MB | 256 MB | 128 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 1 Slot | 2 Slots |
| Network Protocols | IP / TCP/IP / UDP / ICMP / SNMP | IP, TCP, UDP, HTTP, SNMP | IPv4 / IPv6 | IP, IPX, PPP, Frame Relay | IP |
| Power | 65 W | 150W | 46W | 50 W | 75 Watt |
| Power Source | AC Power Supply / Redundant | AC Power Supply with Redundant Option | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | CISCO1841-4SHDSL | Cisco 1802 Integrated Services Router | CISCO1801-M/K9 | CISCO1803W-AG-B/K9 Integrated Services Router | CISCO1841-ADSL2-I |
| 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 | Telnet, SSH, SNMP, HTTPS | Telnet / SSH / SNMP | Telnet, SSH, SNMP | Telnet / SSH / SNMP |
| Routing Protocols | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / BGP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | UL | UL, CE | N/A | N/A | N/A |
| Speed/Capacity | N/A | Gigabit | N/A | Fast Ethernet | N/A |
| Stacking Capability | No | Yes | No | No | No |
| Telecom | N/A | ETSI | N/A | N/A | N/A |
| Throughput Capacity | 0.035 Gbps | 1 Gbps | 0.03 Gbps | 20 Mbps | 35 Mbps |
| Use Case | Enterprise / Business | Enterprise / Business | Business | Small Business / Branch Office | Enterprise / Small Business |
| VPN Support | IPSec | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN / N/A | IPSec / SSL VPN / GRE |
| WAN Configuration | WAN | Dual WAN | Dual WAN | Dual WAN | WAN |
| WAN Ports | 4 WAN | 2 WAN | 2 WAN | 2 WAN | 1 WAN (ADSL2) |
| Weight | N/A | 15 lbs | N/A | 11 lbs | N/A |
| Wi-Fi Standard | N/A | N/A | N/A | WiFi 2 | N/A |
| Width | N/A | 17 inches | N/A | 17.5 inches | N/A |
| Wireless Support | No | No | No | Yes | No |
Reviews & Ratings
N
Noah Bennett
4
Cisco 1841-4SHDSL delivers consistent performance and secure routing. Ideal for business WAN links.
G
Grace Miller
5
Smooth deployment and high uptime. Works well for offices needing stable G.SHDSL connectivity.
L
Liam Scott
3
Strong SHDSL performance and Cisco reliability. Maintains network continuity even under load.
C
Chloe Richardson
4
Robust and secure router. Provides predictable performance for branch offices with multiple SHDSL lines.
Questions & Answers
What is the Cisco 1841 4-pair G.SHDSL Bundle (SKU: CISCO1841-4SHDSL)?
The Cisco 1841 4-pair G.SHDSL Bundle (CISCO1841-4SHDSL) is an integrated router solution featuring a HWIC-4SHDSL module, IP Base image and 64F/256D performance package designed for high-speed symmetrical broadband connectivity.
What data rates does the HWIC-4SHDSL module support?
The HWIC-4SHDSL module supports up to 2.3 Mbps per pair or up to 9.2 Mbps aggregate symmetrical bandwidth, depending on line conditions and configuration.
How many G.SHDSL pairs does the Cisco 1841 bundle provide?
The Cisco 1841 bundle includes a HWIC-4SHDSL card with four independent G.SHDSL pairs, enabling up to four separate symmetrical broadband links.
What is included in the IP Base feature set?
The IP Base feature set provides advanced routing protocols (EIGRP, OSPF, RIP), security features (ACLs, NAT), QoS and basic MPLS capabilities for enterprise and branch deployments.