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Reliable ADSL router with HWIC-1ADSL. Stable performance and secure connections for office networks.
CISCO1841-ADSL2
1841 bundle, HWIC-1ADSL, IP BB, 64F/256D
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CISCO1841-ADSL2
- Description:
- 1841 bundle, HWIC-1ADSL, IP BB, 64F/256D
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- Brand:
- Cisco
- GTIN:
- 632102467841
- Condition:
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CISCO1841-ADSL2 Overview
CISCO1841-ADSL2 is a highly engineered integrated services router designed with a modular architecture that allows for flexible expansion and connectivity. It offers versatile power options via an AC power supply and supports dual WAN configurations with an integrated ADSL2 interface alongside two Ethernet ports that can be tailored as LAN or WAN, ensuring robust performance in branch office environments.
Built to deliver secure connectivity, the CISCO1841-ADSL2 provides integrated services including voice and video, VPN support through IPSec, and built‑in firewall and intrusion prevention features. Its modular capabilities with NIM expansion slots, optimized throughput of approximately 25 Mbps, and design for managed operation make it ideal for small to medium business use cases where performance, redundancy (non-redundant power), and secure, optimized data delivery are paramount.
CISCO1841-ADSL2 price is is available on request. Get immediate quote.
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CISCO1841-ADSL2 Specifications
- Product Type
- Enterprise Router
- VPN Support
- IPSec
- Power Source
- AC Power Supply
- Routing Protocols
- OSPF / BGP / EIGRP / RIP / Static Routing
- Broadband
- DSL
- Architecture
- Modular
- 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
- IP, TCP, UDP, ICMP
- Remote Management
- Telnet, SSH, SNMP
- Compliance Standards
- IEEE 802.3, IEEE 802.3u
- Wireless Support
- No
- Speed/Capacity
- N/A
- Firewall Features
- Yes
- Features
- VPN / VoIP / IPv6 Compatible / Firewall
- Use Case
- Business
- Management
- Managed
- Form Factor
- Desktop
- Integrated Services
- Voice / Video
- High Availability Support
- Not Supported
- Safety
- N/A
- EMC
- FCC / CE
- Telecom
- ITU-T G.992.3
- 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
- 128 MB
- Flash Memory
- 256 MB
- Interface Ports
- RJ-45
- Power
- 65 Watt
- Device Type
- Router
- Product Name
- CISCO1841-ADSL2
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
CISCO1841-ADSL2 Use Case
Remote Branch Office Connectivity with ADSL2 for Retail Networks
A national retail chain deploys the CISCO1841-ADSL2-1841 bundle with HWIC-1ADSL and IP BB (64F/256D) at each satellite store to backhaul POS transactions, inventory updates and guest Wi-Fi to the corporate data center over secure VPN tunnels. Outcome: Achieves reliable ADSL2 broadband at 24 Mbps down/1.5 Mbps up, 99.8% branch uptime and end-to-end AES encryption, reducing MPLS costs by 60% while maintaining PCI-DSS compliance.
VoIP Optimization and Traffic Shaping in Small Office Environments
A professional services firm leverages the CISCO1841-ADSL2-1841 bundle with HWIC-1ADSL, IP BB (64F/256D) to deliver converged voice and data over a single ADSL2 link. Integrated QoS policies prioritize SIP traffic and limit bulk file transfers, ensuring <30 ms latency for VoIP calls. Outcome: Delivers carrier-grade voice quality, a 40% reduction in call drops and predictable bandwidth allocation for critical applications.
Business Continuity and Automatic Failover for SMEs with ADSL2 Backup
A mid-sized financial advisory firm implements the CISCO1841-ADSL2-1841 bundle featuring HWIC-1ADSL and IP BB (64F/256D) as a dynamic backup to its primary fiber WAN. The integrated dialer interface and IP SLA track link health and enable sub-second failover to ADSL2 upon fiber outage. Outcome: Ensures >99.9% network availability, eliminates unplanned trading session disruptions and supports compliance with financial-services uptime SLAs.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 CISCO1841-ADSL2 |  C1861-UC-2BRI-K9 |  CISCO1801W-AG-B/K9 |  CISCO1812/K9 |  CISCO1802 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Fixed | Fixed | Fixed | Fixed |
| Broadband | DSL | N/A | N/A | DSL | DSL |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention |
| Compliance Standards | IEEE 802.3, IEEE 802.3u | FCC, CE | FCC, CE, RoHS | IEEE802.3, IEEE802.3u, FCC, CE | IEEE 802.3, 802.3u, 802.3ab |
| Connectivity Type | Wired | Wired | Wired / Wireless / Ethernet | Wired | Wired |
| Depth | N/A | N/A | N/A | N/A | 13 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | FCC / CE | N/A | N/A | N/A | FCC, CE |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100/1000 |
| Expansion Slots | NIM | N/A | EHWIC | EHWIC | NIM, EHWIC |
| Features | VPN / VoIP / IPv6 Compatible / Firewall | VPN, Firewall, Unified Communications | VPN / Firewall / Voice / IPv6 Compatible | VPN, VoIP, IPv6 Compatible, Firewall, MPLS | VPN, VoIP, IPv6 Compatible, Firewall, MPLS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 128 MB | 128 MB | 256 MB | 256 MB |
| Form Factor | Desktop | Desktop | Rack-mount | Rack-mount / Desktop | Rack-mount |
| Height | N/A | N/A | N/A | N/A | 1.75 inches |
| High Availability Support | Not Supported | Not Supported | Supported | Supported | Supported |
| Integrated Services | Voice / Video | Voice, WAN Optimization | Voice / Video | Voice / Video | Voice, Video, WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45, Combo Ports |
| LAN Ports | 2 LAN Ports | N/A | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 128 MB | 256 MB | 256 MB | 512 MB | 512 MB |
| Modular Slots Available | 2 Slots | N/A | 2 Slots | 1 Slot | 2 Slots |
| Network Protocols | IP, TCP, UDP, ICMP | IPv4, IPv6 | IPv4, IPv6 | IPv4 / IPv6 | IP, TCP, UDP, HTTP, SNMP |
| Power | 65 Watt | 65 W | 65 Watt | 65W | 150W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply / Redundant | AC Power Supply with Redundant Option |
| Product Name | CISCO1841-ADSL2 | Cisco 1861 Integrated Services Router UC-2BRI-K9 | CISCO1801W-AG-B/K9 | CISCO1812/K9 Integrated Services Router | Cisco 1802 Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Integrated Services Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP | Telnet, SSH, SNMP | Telnet, SSH, SNMP | CLI / SNMP / Telnet / SSH | Telnet, SSH, SNMP, HTTPS |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | UL, CE |
| Speed/Capacity | N/A | 10/100 | N/A | Fast Ethernet | Gigabit |
| Stacking Capability | No | No | No | No | Yes |
| Telecom | ITU-T G.992.3 | N/A | N/A | N/A | ETSI |
| Throughput Capacity | 25 Mbps | 0.03 Gbps | 0.1 Gbps | N/A | 1 Gbps |
| Use Case | Business | Business | Business / Small Business | Business / Small Business | Enterprise / Business |
| VPN Support | IPSec | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN |
| WAN Configuration | Dual WAN | Dual WAN | WAN | WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 1 WAN | 2 WAN | 2 WAN |
| Weight | N/A | N/A | N/A | N/A | 15 lbs |
| Wi-Fi Standard | N/A | N/A | WiFi 4 | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | 17 inches |
| Wireless Support | No | No | Yes | No | No |
Reviews & Ratings
E
Ethan Parker
4
Cisco 1841-ADSL2 ensures consistent uptime. Easy to deploy and manage for small offices.
I
Isabella Reed
5
Handles daily traffic efficiently. Provides secure ADSL connectivity with minimal maintenance.
M
Mason Gray
3
Durable and dependable router. Maintains stable connectivity for SOHO environments.
A
Ava Coleman
4
Reliable ADSL performance with Cisco quality. Easy to manage and maintain over time.
Questions & Answers
What is the Cisco 1841 ADSL2 bundle (SKU: CISCO1841-ADSL2)?
The Cisco 1841 ADSL2 bundle combines a Cisco 1841 router, HWIC-1ADSL interface module and IP Broadband (64F/256D) license to deliver integrated ADSL2 connectivity and advanced routing in a compact platform.
Which components are included in the CISCO1841-ADSL2 package?
The package contains a Cisco 1841 router chassis, one HWIC-1ADSL ADSL2 interface, IP Broadband (64F/256D) feature set license, power cord and installation guide.
What are the key performance specifications of the Cisco 1841 ADSL2 bundle?
The device supports up to 16 Mbps downstream and 1.4 Mbps upstream ADSL2/2+, 32,000 concurrent NAT sessions and 128 VLANs, with scalable performance up to 100 Mbps aggregate throughput.
What interfaces and expansion options does the Cisco 1841 router offer?
It provides two 10/100 Ethernet WAN ports, two 10/100 Ethernet LAN ports, one HWIC slot for ADSL2, one WIC slot, two Enhanced High-speed WAN Interface Cards slots and an internal CompactFlash slot.