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Name:
C1841-T1SEC-V2/K9
- Description:
- 1841 Security Bundle w/ HWIC-1DSU-T1, Adv.Sec.,64FL,256DR
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- 818217065602
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3 Year Extended Warranty
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Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
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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Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
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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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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
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Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
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.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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C1841-T1SEC-V2/K9 Overview
C1841-T1SEC-V2/K9 is a fixed enterprise router that delivers robust integrated services with high-performance routing, VPN capabilities, and built-in security features. Engineered with modular expansion in mind, it supports EHWIC slots for additional WAN interfaces and integrated voice and data services while offering advanced encryption and firewall functions for secure communications.
C1841-T1SEC-V2/K9 features versatile power options with an AC power supply, integrated 10/100 Ethernet interfaces for LAN connectivity, and a modular WAN configuration to support T1 connectivity. Designed to provide reliable throughput, redundancy and quality of service for enterprise use cases, it efficiently handles routing protocols and remote management via Telnet, SSH, and SNMP without unnecessary filler.
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C1841-T1SEC-V2/K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / SSL VPN |
| Power Source | AC Power Supply |
| Routing Protocols | RIP / OSPF / EIGRP / BGP / Static Routing |
| Broadband | N/A |
| Architecture | Fixed |
| WAN Configuration | WAN |
| WAN Ports | Modular WAN |
| LAN Ports | 4 LAN Ports |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | TCP/IP |
| Remote Management | Telnet / SSH / SNMP |
| Compliance Standards | FCC, CE, UL |
| Wireless Support | No |
| Speed/Capacity | N/A |
| Firewall Features | Yes |
| Features | VPN / VoIP / Firewall / IPv6 Compatible |
| Use Case | Enterprise |
| Management | Managed |
| Form Factor | Rack-mount |
| Integrated Services | Voice / Data / Security |
| High Availability Support | Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | 0.033 Gbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall / Intrusion Prevention / IPSec VPN |
| Expansion Slots | EHWIC |
| Modular Slots Available | 2 Slots |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 256 MB |
| Flash Memory | 128 MB |
| Interface Ports | RJ-45 |
| Power | 38 W |
| Device Type | Router |
| Product Name | Cisco 1841 Integrated Services Router - T1SEC |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
C1841-T1SEC-V2/K9 Use Case
Secure Remote Branch Office Connectivity with Cisco 1841 T1 Security Bundle
In a distributed enterprise, IT deploys the C1841-T1SEC-V2/K9-1841 Security Bundle w/ HWIC-1DSU-T1, Adv.Sec.,64FL,256DR to establish dual T1 WAN links with hardware-accelerated IPsec encryption and stateful firewall. Leveraging the Advanced Security license for IPS, VPN and application control, the solution delivers 64 Mbps firewall throughput and real-time threat protection. Benefit: Achieves 99.99% uptime, enforces consistent security policies across branches, and reduces operational risk.
PCI-Compliant Retail POS Network Protection
A retail chain integrates the Cisco C1841-T1SEC-V2/K9-1841 Security Bundle w/ HWIC-1DSU-T1 to isolate and secure point-of-sale traffic over T1 lines. With 256 MB DRAM and Advanced Security features (stateful firewall, TLS inspection, intrusion prevention), sensitive cardholder data is encrypted end-to-end. Benefit: Ensures PCI DSS compliance, minimizes fraud risk, and accelerates transactions with low-latency 64 Mbps throughput.
Industrial SCADA Secure T1 Data Transmission
In a utility control center, engineers deploy the C1841-T1SEC-V2/K9-1841 Security Bundle to provide robust T1 connectivity between SCADA sites. The HWIC-1DSU-T1 module ensures reliable serial link performance, while the Advanced Security license delivers deep packet inspection and anomaly detection. Benefit: Protects mission-critical control systems from cyber threats, minimizes downtime, and maintains regulatory compliance for industrial operations.
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 | Fixed | Fixed | Fixed |
| Broadband | 3G | N/A | N/A | N/A | N/A |
| Built-in Security Features | Firewall | Firewall / Intrusion Prevention / IPSec VPN | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | FCC / CE / UL | FCC, CE, UL | FCC / CE | FCC, CE | FCC / CE |
| Connectivity Type | Wired | Wired | Wired / Wireless | Wired | Wired |
| Depth | N/A | N/A | N/A | 14 inches | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | EHWIC | EHWIC | EHWIC | NIM | EHWIC |
| Features | VPN / Firewall / IPv6 Compatible | VPN / VoIP / Firewall / IPv6 Compatible | VPN / IPv6 Compatible / Firewall | VPN, Firewall, IPv6 Compatible, Voice, Video | VPN / IPv6 Compatible / Firewall / Voice |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 128 MB | 256 MB | 128 MB | 128 MB |
| Form Factor | Desktop | Rack-mount | Desktop | Desktop | Rack-mount |
| Height | N/A | N/A | N/A | 1.75 inches | 1.75 inches |
| High Availability Support | Not Supported | Supported | Not Supported | Supported | Not Supported |
| Integrated Services | Voice | Voice / Data / Security | Voice / Video | Voice, Video, WAN Optimization | Voice / Video |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 / Combo Ports | RJ-45, SFP | RJ-45 |
| LAN Ports | 2 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 256 MB | 512 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 2 Slots | 2 Slots | 2 Slots | 2 Slots |
| Network Protocols | IPv4 / IPv6 | TCP/IP | IPv4 / IPv6 | IP, VoIP | TCP/IP / IPX |
| Power | 45 W | 38 W | 65 Watt | 85 Watt | 65 Watts |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco C1841-3G-S-SEC/K9 Integrated Services Router | Cisco 1841 Integrated Services Router - T1SEC | CISCO1801WM-AGB/K9 | Cisco C1861-2B-VSEC/K9 Integrated Services Router | Cisco 1803/K9 Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH / Telnet / SNMP | Telnet / SSH / SNMP | Telnet / SSH / SNMP | SSH, Telnet, SNMP | CLI / SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | RIP / OSPF / EIGRP / BGP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / EIGRP / RIP / BGP | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | N/A | N/A | Gigabit | Fast Ethernet | Fast Ethernet |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.035 | 0.033 Gbps | 0.05 Gbps | 15 Mbps | 25 Mbps |
| Use Case | Enterprise | Enterprise | Enterprise | Business | Small Business / Enterprise |
| VPN Support | IPSec VPN | IPSec / SSL VPN | IPSec | IPSec / SSL VPN | IPSec / GRE / DMVPN |
| WAN Configuration | WAN | WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | Modular WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | N/A | N/A | N/A | 10 lbs | 6.6 lbs |
| Wi-Fi Standard | N/A | N/A | WiFi 3 | N/A | N/A |
| Width | N/A | N/A | N/A | 17 inches | 17 inches |
| Wireless Support | No | No | Yes | No | No |
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Questions & Answers
Q
What does the SKU C1841-T1SEC-V2/K9 bundle include?
A
The C1841-T1SEC-V2/K9 bundle includes a Cisco 1841 ISR, an HWIC-1DSU-T1 module, the Advanced Security feature set, 64 MB of flash, and 256 MB of DRAM.
Q
What advanced security features are provided by this Cisco 1841 bundle?
A
It delivers Cisco IOS Firewall, Intrusion Prevention System (IPS), Zone-Based Firewall, and advanced VPN encryption for comprehensive perimeter defense.
Q
Can I connect a T1/DS1 line with this bundle?
A
Yes. The included HWIC-1DSU-T1 interface module enables native T1/DS1 connectivity for voice, video, and data services.
Q
What throughput and session capacity does the 1841 Security Bundle support?
A
It delivers up to 85 Mbps aggregate throughput and supports up to 30,000 concurrent sessions, ideal for small to medium branch deployments.
Q
How much memory and storage are on the Cisco 1841 router?
A
The router ships with 256 MB of DRAM and 64 MB of onboard flash, expandable to 512 MB DRAM and 128 MB flash for future growth.
Q
Is the Cisco 1841 Security Bundle suitable for small and medium businesses?
A
Absolutely. Its integrated security, WAN connectivity, and performance profile make it ideal for SMB and branch office networks.
Q
Can I enable VPN services on this bundle?
A
Yes. The bundle supports site-to-site and remote-access VPN with AES, 3DES, and ISAKMP/IKE for secure connectivity.
Q
Does this product support Quality of Service (QoS)?
A
It supports advanced QoS features including Bandwidth Limiting, Class-Based Weighted Fair Queuing (CBWFQ), and Low-Latency Queuing (LLQ).
Q
What is the licensing model for the Advanced Security feature set?
A
The Advanced Security feature set is licensed per router and delivered as a one-time IOS software activation, with optional Smart Licensing for ease of management.
Q
Is the hardware upgradeable for additional interfaces or modules?
A
Yes. The Cisco 1841 provides two HWIC slots and a single WIC slot, allowing you to add WAN, voice, or security modules as needed.
Q
What power supply and mounting options are included?
A
The bundle includes an external 110–240 VAC power adapter and rack-mount brackets for 19-inch installations.
Q
Does Cisco SmartNet support cover this bundle?
A
Yes. You can purchase Cisco SmartNet service for 24×7 hardware replacement, software updates, and technical assistance.
Q
Which Cisco IOS release does the 1841 run?
A
It ships with Cisco IOS Software Release 12.4T, upgradeable to support later feature sets and security enhancements.
Q
Is IPv6 supported on the Cisco 1841 Security Bundle?
A
Yes. The router supports full IPv6 routing, features, and transition mechanisms alongside IPv4.
Q
How do I configure the T1/DS1 interface on the HWIC-1DSU-T1 module?
A
Use IOS CLI commands under interface serial 0/0/0, set the framing (e.g., framing t1), line coding (e.g., ami), and clock source per your carrier.
Q
What are common use cases for the 1841 Security Bundle?
A
Typical use cases include secure branch office connectivity, remote workforce VPN access, and perimeter firewall services for SMBs.
Q
Where can I purchase the C1841-T1SEC-V2/K9 bundle?
A
You can buy it through Cisco’s authorized reseller network or via online distributors; contact a Cisco partner for pricing and lead times.
