• Cisco C1921-4G-V-SEC-K9 ISR 1921 router in black and gray with green accents
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Cisco

Cisco C1921-ADSL2-M/K9 | Branch router | ADSL2/2+ Annex M HWIC | 2x 10/100/1000 routed ports | IP Base | SD-WAN: No | LTE: No

C1921-ADSL2-M/K9

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Description

Versatile branch router equipped with HWIC-1ADSL-M for ADSL2/2+ Annex M connectivity, ideal for DSL-based WAN access. Provides secure routing on IOS with IP Base features and dual Gigabit routed ports for WAN/LAN flexibility. A solid choice for small branches transitioning from legacy DSL to Ethernet.

Features

- Integrated ADSL2/2+ Annex M for DSL-based WAN access
- Dual Gigabit routed ports for flexible WAN/LAN deployment
- Modular EHWIC design for future expansion (WAN, switch, cellular)
- Secure VPN-ready with optional security licensing
- Reliable ISR G2 platform for small branch environments

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Platform: ISR G2 1921 branch router
- Installed module: HWIC-1ADSL-M (ADSL2/2+ Annex M)
- Standards: ITU-T G.992.3/G.992.5 Annex M (service/provider dependent)
- Routed ports: 2x 10/100/1000 Ethernet
- Expansion: EHWIC slots for additional WAN/LAN/cellular modules
- License: IP Base feature set (advanced security/voice require additional licenses)
- SD-WAN: Not supported on ISR G2 1900 Series
- LTE/Cellular: Optional via EHWIC cellular modules (not included)

FAQs

Q: Which ADSL standards are supported?
A: ADSL2/2+ with Annex M via HWIC-1ADSL-M, subject to provider/network support.

Q: Does this model support Cisco SD-WAN?
A: No. ISR G2 1900 Series does not support Cisco SD-WAN.

Q: What license is included by default?
A: IP Base feature set; additional licenses may be needed for advanced security or voice features.

Q: Can LTE be added?
A: The router supports optional cellular EHWIC modules, which are available separately.

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