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HWIC-1T
1-Port Serial WAN Interface Card Cisco Router High-Speed WAN...
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HWIC-1T is an Ethernet WAN interface card designed to deliver reliable 1Gbps connectivity with an RJ-45 connector. Built for high-performance networking environments, this module supports essential TCP/IP protocol communications and is optimized for seamless integration with leading routers, switches, and data center equipment.
HWIC-1T is ideal for expanding data center capacity and upgrading server network interfaces, thanks to its modular design which enables quick installation and straightforward maintenance. The card’s compact form factor, combined with industry-standard features such as auto-negotiation, jumbo frames, and QoS support, ensures robust performance for high-speed network applications.
HWIC-1T price is $197.00, a 67.2% saving from the Cisco list price of $600.00. HWIC-1T is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for HWIC-1T for additional pricing. Browse the full Router Ehwic Wan Cards series or explore all Cisco products.
In a multi-site enterprise, the HWIC-1T-1-Port Serial WAN Interface Card in Cisco 2900/3900 routers delivers dedicated T1 serial links to connect remote branch offices to headquarters. This configuration ensures consistent 1.544 Mbps bandwidth, sub-5 ms latency and integrated QoS for voice and data. Benefit: Streamlined deployment, deterministic performance and secure site-to-site connectivity that maximizes productivity and reduces operational overhead.
By installing the HWIC-1T-1 on your primary edge router, organizations can configure an automated serial failover path over T1 alongside MPLS or broadband circuits. In the event of primary WAN failure, BFD-driven failover triggers sub-15 second switch-over to the serial link, preserving application session continuity. Benefit: Zero-impact business continuity, improved SLA adherence and minimized revenue loss during outages.
Manufacturing and energy firms often rely on RS-232/RS-449 SCADA, PLC and POS systems that lack native Ethernet. The HWIC-1T-1 provides a high-speed T1 serial interface to bridge serial-only devices into the corporate IP network. Benefit: Extends the life of existing equipment, centralizes security and monitoring under Cisco IOS and reduces costs by avoiding full hardware upgrades.
To get the detailed certification, please go to the Compliance Center.
| HWIC-1T |  HWIC-4SHDSL |  HWIC-4T1/E1 |  EHWIC-3G-EVDO-B |  HWIC-1DSU-T1 | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | WAN Module | WAN Module | Network Module / Network Card | WAN Module |
| Module Type | Ethernet | DSL | T1/E1 | EHWIC / WAN | WAN |
| Data Rate | 1Gbps | 2.3Mbps (symmetrical) | 1.544Mbps / 2.048Mbps | Up to 3.1Mbps | N/A |
| Connector Type | RJ-45 | RJ-11 | RJ-48 | N/A | RJ-45 |
| Supported Protocols | TCP/IP | TCP/IP | PPP/HDLC | TCP/IP | N/A |
| Form Factor | Modular | HWIC | Modular (HWIC) | EHWIC | Modular |
| Operating Temperature | 0 to 70°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 | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco, Juniper, Arista, Dell, HP | Cisco | Cisco | Cisco | Cisco |
| Max Speed | 1Gbps | 2.3Mbps | 1.544Mbps / 2.048Mbps | Up to 3.1Mbps | N/A |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation | N/A | N/A | N/A |
| Power Consumption | 5W | N/A | N/A | N/A | N/A |
| Interface Ports | Ethernet | N/A | T1/E1 | N/A | N/A |
| Expansion Slots | HWIC | HWIC | EHWIC | EHWIC | EHWIC |
| Product Name | HWIC-1T Ethernet WAN Interface Card | HWIC-4SHDSL | HWIC-4T1/E1 | EHWIC-3G-EVDO-B | HWIC-1DSU-T1 |
| Height | 0.5 inches | N/A | N/A | N/A | N/A |
| Width | 3.4 inches | N/A | N/A | N/A | N/A |
| Depth | 4.2 inches | N/A | N/A | N/A | N/A |
| Weight | 0.3 lbs | N/A | N/A | N/A | N/A |
The HWIC-1T offers reliable T1 connectivity. It's a solid solution for businesses that need stable WAN connectivity with minimal configuration.
This card delivers stable, high-speed performance for our T1 lines. Easy to install and integrates seamlessly with our Cisco routers.
We rely on the HWIC-1T for T1 connections, and it's been incredibly reliable. No issues so far, great for our remote locations.
The HWIC-1T is perfect for our network's T1 connections. It's fast, reliable, and integrates smoothly with our router setup.
This card has been great for our T1 connectivity. The HWIC-1T is easy to configure and provides consistent performance.
The Cisco HWIC-1T is a high-speed WAN interface card for Cisco routers, providing a single serial port that supports both T1 and E1 network connections.
The HWIC-1T is compatible with Cisco 1800, 2800, and 3800 series Integrated Services Routers, as well as ISR G2 platforms that feature HWIC slots.
The HWIC-1T offers a single RJ-48C serial interface for T1/E1 connectivity, easily connecting to CSU/DSU devices or telecom demarcation points.
The HWIC-1T supports data rates from 64 kbps to 2.048 Mbps for E1 and 64 kbps to 1.544 Mbps for T1, allowing flexible WAN throughput.
Use a Cisco-approved straight-through RJ-48C cable or a DB-60 to RJ-48C adapter cable to connect the HWIC-1T to your CSU/DSU or telco interface.
Power down the router, insert the HWIC-1T into an available HWIC slot, secure the retention screws, then power on and verify module detection.
No additional license is required for basic T1/E1 operation; ensure your installed Cisco IOS image includes WAN and serial feature sets.
Any Cisco IOS image with T1/E1 support—such as IP/Broadband, Security, or Unified Communications feature sets—fully supports the HWIC-1T.
Yes, on supported Cisco ISR G2 platforms the HWIC-1T is hot-swappable, enabling insertion or removal without shutting down the router.
The HWIC-1T is ideal for branch office connectivity, point-to-point leased lines, backup WAN links, and low-latency voice or data circuits.
The HWIC-1T operates in 0°C to 40°C ambient temperatures, meets RoHS compliance, and adheres to UL and FCC Class A emissions standards.
Use the Cisco IOS CLI command show controllers serial <slot/port> to display line status, signal metrics, and diagnostic information.
Verify cabling integrity, check interface status with show commands, confirm correct clocking via CSU/DSU, and update to a supported IOS release.
The official Cisco part number is HWIC-1T; compatible accessories include DB-60 to RJ-48C adapter cables and external CSU/DSU modules.
Cisco offers a limited lifetime hardware warranty for the HWIC-1T against manufacturing defects, subject to the terms of its standard warranty policy.
The HWIC-1T is certified for CE, FCC, UL, and TUV, and supports ITU-T and ANSI standards for T1/E1 telecom interfaces.