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HWIC-1ADSL
1-port ADSLoPOTS HWIC Cisco Router High-Speed WAN Interface...
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HWIC-1ADSL is a WAN module designed to bring integrated ADSL connectivity to Cisco routers. It features an RJ-11 connector for interfacing with standard telephone lines and supports TCP/IP protocol, making it a reliable solution for broadband access over digital subscriber lines. Engineered for installation in a Cisco High-Speed WAN Interface Card (HWIC) slot, this modular card streamlines deployment in network edge environments.
HWIC-1ADSL is ideal for remote office connectivity and small-to-medium enterprise branch links where ADSL services are required. The module offers ADSL2+ support with maximum line speeds of up to 8Mbps, ensuring efficient data transmission over copper lines while maintaining compatibility with existing Cisco platforms and network infrastructures.
HWIC-1ADSL price is $361.00, a 51.9% saving from the Cisco list price of $750.00. HWIC-1ADSL is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for HWIC-1ADSL for additional pricing. Browse the full Router Ehwic Wan Cards series or explore all Cisco products.
To get the detailed certification, please go to the Compliance Center.
| HWIC-1ADSL |  HWIC-4ESW-POE |  EHWIC-VA-DSL-B |  HWIC-2CE1T1-PRI |  EHWIC-VA-DSL-M | |
|---|---|---|---|---|---|
| Product Type | Network Module | Network Module | WAN Module | Network Module / Network Card | Network Module |
| Module Type | WAN | Ethernet | DSL | WAN | DSL Module |
| Data Rate | Up to 8Mbps (ADSL2+) | 10/100 Mbps | N/A | N/A | Up to 8 Mbps |
| Connector Type | RJ-11 | RJ-45 | RJ-11 | RJ-45 | RJ-11 |
| Supported Protocols | TCP/IP | TCP/IP | DSL, PPP, ATM | ISDN PRI | TCP/IP, PPPoE |
| Form Factor | Modular | HWIC | EHWIC | Modular | EHWIC |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 55°C | 0 to 50°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | N/A | N/A | -40 to 70°C | -40 to 85°C |
| Input Voltage | N/A | N/A | N/A | N/A | 3.3V |
| Compatibility | Cisco | Cisco | Cisco Integrated Services Routers | Cisco | Cisco Routers |
| Max Speed | Up to 8Mbps | 100Mbps | N/A | N/A | 8Mbps |
| Supported Features | ADSL2+ modulation, Auto-negotiation | PoE, VLAN, QoS | Auto-configuration, Quality of Service | Dual channel T1/E1, ISDN PRI, call routing | Auto-negotiation, QoS |
| Power Consumption | N/A | N/A | N/A | N/A | 5W |
| Interface Ports | RJ-11 | Ethernet | DSL | T1/E1 | RJ-11 |
| Expansion Slots | EHWIC | HWIC | EHWIC | HWIC | EHWIC |
| Product Name | HWIC-1ADSL | HWIC-4ESW-POE | EHWIC-VA-DSL-B | HWIC-2CE1T1-PRI | EHWIC-VA-DSL-M |
| 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-1ADSL module has improved our network's connectivity. It supports ADSL connections, ensuring fast and reliable internet access for our infrastructure.
This module is perfect for our setup. The HWIC-1ADSL offers reliable ADSL connectivity, delivering stable, high-speed data transfer for all devices.
The HWIC-1ADSL is ideal for expanding our broadband capabilities. It provides fast, stable ADSL connections, ensuring reliable performance for our network.
The HWIC-1ADSL module delivers excellent performance. It provides reliable, high-speed ADSL connectivity, ensuring smooth and uninterrupted internet access.
We've integrated the HWIC-1ADSL into our system, and it works perfectly. It supports fast, stable ADSL connections, improving network performance.
The Cisco HWIC-1ADSL is a 1-port ADSL over POTS High-Speed WAN Interface Card for Cisco integrated services routers, delivering up to 8 Mbps downstream and 1 Mbps upstream broadband access.
The HWIC-1ADSL is supported on Cisco 1800, 2800 and 3800 series routers with an available High-Speed WAN Interface Card (HWIC) slot.
Power down the router, open the HWIC slot cover, insert the card until it clicks, secure the retaining clip, replace the cover and power on the router.
The HWIC-1ADSL supports universal ADSL (Annex A) over POTS lines, compliant with ITU G.992.1 (G.dmt) for ADSL1.
The HWIC-1ADSL delivers up to 8 Mbps downstream and up to 1 Mbps upstream, subject to line conditions and provider support.
Yes, it uses the POTS pair and coexists with analog voice on the same line using standard microfilters—no additional voice hardware is required on the card.
No, the card draws all required power directly from the router’s HWIC slot—no external adapters or power supplies are needed.
No, you must power down the router before installing or removing the HWIC-1ADSL to avoid hardware damage.
The HWIC-1ADSL requires Cisco IOS 12.4(15)T or later with ADSL feature license enabled.
It uses a standard RJ-11 to phone-jack cable on the ADSL port. Use CAT-3 or better wiring for optimal performance.
Enter global config, select the ATM interface (e.g., interface ATM0), define the PVC (atm pvc 0 35), set encapsulation (encapsulation aal5snap), and assign an IP address or xconnect.
The HWIC-1ADSL supports ATM, PPPoE, PPPoA, IPoA and bridged Ethernet over ADSL with RFC 2684 multiprotocol encapsulation.
Use show controller atm 0 or show adsl interface atm0 in privileged EXEC mode to view line statistics, sync rate and signal-to-noise ratio.
Operating temperature: 0 °C to 40 °C; storage temperature: –20 °C to 70 °C; humidity: 10%–90% non-condensing.
Cisco offers a limited lifetime warranty on the HWIC-1ADSL, including advance replacement and 90-day Cisco TAC support.