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HWIC-1ADSL-M
1-port ADSL HWIC w/Annex M Cisco Router High-Speed WAN Inter...
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HWIC-1ADSL-M is a WAN module designed for installation in Cisco routers via the Enhanced High-Speed WAN Interface Card (EHWIC) slot, delivering ADSL connectivity directly from traditional copper telephone lines. This module supports ADSL/ADSL2+ data rates and provides a dedicated RJ-11 port for connecting to DSL circuits, while working seamlessly with core TCP/IP and PPP protocols to ensure reliable communication over WAN links.
The HWIC-1ADSL-M module features a modular design that simplifies installation and expansion in branch office and remote site environments. With industry-standard compatibility with Cisco networking equipment, it is engineered to supply up to 8Mbps downstream and 1Mbps upstream performance, making it an ideal solution for legacy DSL deployments that require dependable and efficient WAN connectivity.
HWIC-1ADSL-M price is $361.00, a 51.9% saving from the Cisco list price of $750.00. HWIC-1ADSL-M is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for HWIC-1ADSL-M for additional pricing. Browse the full Router Ehwic Wan Cards series or explore all Cisco products.
A regional retail chain deploys the HWIC-1ADSL-M-1-port ADSL HWIC w/Annex M on its ISR4000 series routers to connect a rural branch lacking fiber or cable. Leveraging Annex M’s higher upstream (up to 3.3 Mbps), the store maintains secure IPsec VPN tunnels to headquarters for real-time POS data synchronization, inventory management and cloud-based reporting. Outcome: reliable high-speed WAN at a fraction of leased-line cost, enabling centralized operations, faster order fulfillment and 99.9% uptime compliance.
A professional services firm integrates the HWIC-1ADSL-M-1-port ADSL HWIC with Annex M into its ISR3000 router to serve as primary Internet access for VoIP phones and HD video conferencing. By taking advantage of Annex M’s asymmetric uplink boost, the company ensures consistent upstream bandwidth for SIP call signaling, QoS-prioritized voice packets and multi-party video streams. Outcome: crystal-clear voice/video quality, reduced jitter/latency and a 30% improvement in remote collaboration productivity without upgrading to pricier business fiber.
An enterprise IT team configures the HWIC-1ADSL-M-1-port ADSL card as a secondary WAN interface on a Cisco ISR2900 router. In the event of primary MPLS or cable Internet failure, Embedded Event Manager scripts trigger automatic route failover to the Annex M ADSL link. This seamless switch preserves critical services—ERP access, VoIP trunking and cloud backup—while alerting network operators via SNMP traps. Outcome: near-zero downtime, improved SLA adherence and simplified disaster-recovery orchestration with existing copper infrastructure.
To get the detailed certification, please go to the Compliance Center.
 HWIC-1ADSL-M |  HWIC-8A/S-232 |  EHWIC-4G-LTE-JP |  HWIC-8A |  HWIC-2T | |
|---|---|---|---|---|---|
| Product Type | Network Module | Network Module / Network Card | Network Module / Network Card | Network Module / Network Card | WAN Module |
| Module Type | WAN | HWIC | 4G LTE | WAN Module | 2-Port T1/E1 WAN Module |
| Data Rate | ADSL/ADSL2+ | 115.2 kbps | N/A | 1Gbps | 1.544 Mbps / 2.048 Mbps |
| Connector Type | RJ-11 | DB9 RS-232 | N/A | RJ-45 | N/A |
| Supported Protocols | TCP/IP, PPP | PPP / HDLC | LTE, TCP/IP | TCP/IP | TCP/IP, Frame Relay |
| Form Factor | Modular | Modular | EHWIC | Modular | HWIC |
| Operating Temperature | 0 to 55°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | N/A | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 5V | N/A | 3.3V | 3.3V |
| Compatibility | Cisco | Cisco Routers | Cisco | Cisco | Cisco Routers |
| Max Speed | Up to 8Mbps downstream / 1Mbps upstream | 115.2 kbps | N/A | 1Gbps | N/A |
| Supported Features | N/A | Auto-flow control, Error Detection | Auto-negotiation, LTE Network Selection | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | N/A |
| Power Consumption | N/A | N/A | N/A | 5W | N/A |
| Interface Ports | N/A | RS-232 | LTE | Ethernet | 2 x T1/E1 |
| Expansion Slots | EHWIC | HWIC slot | EHWIC | EHWIC | EHWIC |
| Product Name | HWIC-1ADSL-M | HWIC-8A/S-232 | EHWIC-4G-LTE-JP | Cisco HWIC-8A High-speed WAN Interface Card | HWIC-2T |
| 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-M card is a solid solution for ADSL connectivity. It provides consistent and reliable performance for our networking needs.
The HWIC-1ADSL-M integrates smoothly with our Cisco routers and provides stable ADSL connectivity. A great value for business use.
Reliable ADSL connection with the HWIC-1ADSL-M. It's perfect for low-cost, high-performance internet connections in small office setups.
The HWIC-1ADSL-M card is easy to install and delivers excellent performance. It's ideal for our smaller office with ADSL connectivity.
We rely on the HWIC-1ADSL-M for stable ADSL connectivity. It's a solid, dependable option for small business networking.
The Cisco HWIC-1ADSL-M is a High-Speed WAN Interface Card (HWIC) that provides a single-port ADSL connection with Annex M support for Cisco ISR routers, enabling enhanced upstream bandwidth for small-to-medium business deployments.
Key features include Annex M support for up to 3.3 Mbps upstream, ATM-based ADSL connectivity up to 24 Mbps downstream, support for multiple PVCs, TR-070 provisioning, and seamless integration with Cisco IOS.
Annex M reallocates upstream/downstream tones to boost upstream bandwidth up to 3.3 Mbps (compared to 1 Mbps on Annex A), ideal for applications requiring higher upload speeds like VoIP and cloud backups.
The HWIC-1ADSL-M is compatible with Cisco 1841, 2801, 2811, 2821, 2851, 2911, 2921, 2951, 3925, 3945, 4321, 4331, 4351, 4431, and 4451 ISR routers running Cisco IOS 15.x or later.