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HWIC-1ADSLI
1-port ADSLoISDN HWIC Cisco Router High-Speed WAN Interface...
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HWIC-1ADSLI is a high-speed WAN module designed to bring ADSL connectivity to Cisco routers, enabling branch offices and small networks to leverage existing telephone lines for data communications. This modular card delivers reliable ADSL service by converting analog signals to digital data, making it ideal for site connectivity scenarios where traditional high-speed Ethernet is not feasible.
Engineered as a modular WAN interface card, HWIC-1ADSLI features a compact form factor that fits directly into the router’s HWIC slot and utilizes an RJ-11 connector for telephone wiring. It supports standard protocols like PPP and TCP/IP, ensuring seamless integration into Cisco network environments where cost-effective, dedicated ADSL connectivity is required.
HWIC-1ADSLI price is $361.00, a 51.9% saving from the Cisco list price of $750.00. HWIC-1ADSLI is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for HWIC-1ADSLI for additional pricing. Browse the full Router Ehwic Wan Cards series or explore all Cisco products.
A mid-sized enterprise deploys the HWIC-1ADSLI-1-port ADSL/ISDN HWIC on Cisco ISR routers at 20 branch offices to deliver primary ADSL links with automatic ISDN backup. When the ADSL link degrades or fails, traffic transparently shifts to ISDN, maintaining secure VPN tunnels and QoS policies. Outcome: Achieves 99.9% WAN uptime, slashes site downtime costs by 30%, and centralizes network management under a certified Cisco solution.
A national retail chain integrates the HWIC-1ADSLI-1-port ADSL/ISDN HWIC into Cisco branch routers to connect POS terminals over ADSL with ISDN fallback. The interface card supports hardware-accelerated encryption and dial-on-demand routing, ensuring PCI-DSS compliance and minimal transaction latency. Outcome: Guarantees uninterrupted credit-card authorization, reduces payment failure rates by 45%, and provides an audit-ready, high-performance WAN link.
An energy provider outfits remote SCADA stations with Cisco routers and the HWIC-1ADSLI-1-port ADSL/ISDN HWIC to carry real-time sensor data over ADSL, with ISDN as a resilient backup. This hardened High-Speed WAN Interface Card delivers secure SNMP monitoring, dial-on-demand connectivity, and dynamic bandwidth allocation. Outcome: Ensures 24/7 operational visibility, reduces field service visits by 50%, and upholds strict security standards for mission-critical infrastructure.
To get the detailed certification, please go to the Compliance Center.
| HWIC-1ADSLI |  EHWIC-3G-EVDO-S |  EHWIC-4G-LTE-BE |  HWIC-4T |  HWIC-ADSL-B/ST | |
|---|---|---|---|---|---|
| Product Type | Network Module | WAN Module | Wireless WAN Module | Network Module | WAN Module |
| Module Type | WAN | 3G EVDO Wireless WAN Module | 4G LTE | High-Speed WAN Interface Card | ADSL WAN Module |
| Data Rate | N/A | N/A | Up to 100Mbps | T1/E1 (1.544 Mbps / 2.048 Mbps) | 8Mbps Downstream / 1Mbps Upstream |
| Connector Type | RJ-11 | N/A | SMA | RJ-48 | RJ-11 |
| Supported Protocols | PPP / TCP/IP | TCP/IP | TCP/IP | TDM | TCP/IP |
| Form Factor | Modular | Modular | Modular (EHWIC) | HWIC/EHWIC | HWIC |
| Operating Temperature | 0 to 70°C | N/A | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | N/A | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | N/A | 3.3V | 5V | N/A |
| Compatibility | Cisco | Cisco ISR Routers | Cisco ISR Routers | Cisco Routers | Cisco Integrated Services Routers |
| Max Speed | N/A | N/A | 100Mbps | 2.048 Mbps per port | 8Mbps |
| Supported Features | N/A | EVDO Mobile Broadband | Auto-negotiation, QoS, Failover | Auto-sensing, Loopback, Diagnostics | ADSL / ADSL2+ compliance |
| Power Consumption | N/A | N/A | N/A | 10W | N/A |
| Interface Ports | RJ-11 | N/A | SMA Antenna Connectors | 4 x T1/E1 | RJ-11 |
| Expansion Slots | EHWIC | EHWIC | EHWIC | HWIC | HWIC |
| Product Name | HWIC-1ADSLI | EHWIC-3G-EVDO-S | EHWIC-4G-LTE-BE | HWIC-4T | HWIC-ADSL-B/ST |
| Height | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Weight | N/A | N/A | N/A | N/A | N/A |
The HWIC-1ADSLI offers stable ADSL connectivity. It's easy to install and provides reliable performance for remote offices.
This ADSL card has been a great addition. The HWIC-1ADSLI provides excellent connectivity and has become a reliable part of our network.
The HWIC-1ADSLI is a reliable option for ADSL connectivity. It works flawlessly with our Cisco router and provides solid performance.
We rely on the HWIC-1ADSLI for stable ADSL connections. It's easy to set up and works perfectly in our office environment.
The HWIC-1ADSLI delivers great performance. It integrates easily with our router and provides solid ADSL connectivity for our needs.
The Cisco HWIC-1ADSLI is a 1-port ADSL/ISDN high-speed WAN interface card designed for Cisco routers. It delivers integrated broadband connectivity over existing telephone lines for small to midsize deployments.
The HWIC-1ADSLI is compatible with Cisco ISR G2 platforms, including the 1900, 2900, and 3900 series. Ensure your router’s IOS release supports Integrated Services High-Speed WAN Interface Cards.
The HWIC-1ADSLI supports ADSL, ADSL2, ADSL2+, and ISDN with downstream rates up to 24 Mbps and upstream rates up to 3.5 Mbps. It also supports PPPoE, PPPoA, and RFC-1483 bridging/routing.
Power off the router, insert the HWIC-1ADSLI into an available HWIC slot, secure it with screws, connect the RJ-11 ADSL/ISDN line, then power on the router. Follow CLI prompts to verify interface status.
Yes. The HWIC-1ADSLI provides dual functionality, automatically negotiating between ADSL broadband and ISDN digital circuit-switched services for maximum deployment flexibility.
No. To install or replace the HWIC-1ADSLI, you must power off the host router to maintain hardware integrity and avoid service disruption.
The HWIC-1ADSLI measures 6.35 cm x 24.13 cm x 14.48 cm and weighs approximately 0.22 kg, making it suitable for standard 1-slot HWIC bays in Cisco ISR chassis.
Enter global configuration mode, select the interface (e.g., interface ATM0), set encapsulation (e.g., pvc 0/35), configure IP parameters, then enable the interface with the 'no shutdown' command.
Yes. It supports ADSL Annex A (PSTN) and Annex B (ISDN) profiles, as well as multiple line profiles for deployment in diverse regional networks.
Ideal for small branch offices, retail sites, and remote workers requiring reliable broadband over existing copper lines, and for rapid failover between broadband and ISDN services.
The HWIC-1ADSLI supports Cisco IOS performance-monitoring tools, including ATM OAM (loopback, AIS, RDI), show commands (atm pvc, xdsl counters), and SNMP MIBs for real-time diagnostics.
The typical power draw is 2.5 W, with a maximum of 3.5 W. It operates within the standard power budget allocated to a Cisco ISR HWIC slot.
By supporting dual ADSL/ISDN connectivity and Cisco IOS embedded event management (EEM) scripts, the HWIC-1ADSLI enables automatic failover and proactive link recovery.
Cisco offers a limited lifetime warranty on the HWIC-1ADSLI and provides optional SMARTnet service for 24×7 hardware replacement, software updates, and direct Cisco TAC access.
Compared to legacy CSU/DSU or serial WAN cards, the HWIC-1ADSLI delivers higher throughput, integrated broadband services, lower operational costs, and simplified management under Cisco IOS.
Authorized Cisco resellers, Cisco’s online store, and certified distribution partners stock the HWIC-1ADSLI. Always verify Cisco part numbers and warranty entitlements before purchase.