Cisco HWIC-4T – 4-Port Serial WAN Interface Card for Cisco ISR Routers
Model Name : Cisco HWIC-4T – 4-Port Serial High-Speed WAN Interface Card
Brand : Cisco
Key Features:
- 4 Smart Serial Interfaces – High-density WAN port expansion in one module.
- Legacy WAN Protocol Support – Includes HDLC, PPP, Frame Relay, and X.25.
- High-Speed Synchronous Links – Up to 8 Mbps per port.
- Compact & Efficient – No external power or switch required.
- Supports Asynchronous Operation – Ideal for older or modem-based setups.
- Flexible Cabling – Works with multiple serial cable types (V.35, RS-232, X.21, etc.).
- Use Cases – Financial institutions, government networks, industrial controls.
30 days Warranty
Condition : Refurbished
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- Description
- Specification
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Cisco HWIC-4T is a 4-port high-speed serial WAN interface card (HWIC) built for Cisco ISR routers such as the 1800, 1900, 2800, 2900, 3800, and 3900 Series.
Each of its four Smart Serial interfaces supports a range of synchronous and asynchronous WAN protocols, enabling point-to-point and Frame Relay connections, and is ideal for integrating legacy WAN infrastructures into modern router environments.
This module supports HDLC, PPP, X.25, and Frame Relay, making it a reliable solution for banks, industrial networks, or any application requiring low-latency leased-line connectivity.
Frequently Asked Questions
Q1: Which routers are compatible with the HWIC-4T?
A: It works with Cisco ISR 1800, 1900, 2800, 2900, 3800, and 3900 Series routers.
Q2: What cable types are supported?
A: It supports Cisco Smart Serial cables like CAB-SS-V35MT, CAB-SS-X21MT, CAB-SS-232MT, and others.
Q3: Can I use all 4 ports simultaneously?
A: Yes, all 4 serial ports are independently addressable and can operate at full speed.
Q4: Does it support Frame Relay?
A: Yes, it supports Frame Relay, PPP, HDLC, and X.25 protocols.
Q5: Is it hot-swappable?
A: No, the router must be powered off before inserting or removing this module.
Q6: What’s the max speed per port?
A: Each port supports up to 8 Mbps synchronous or 115.2 Kbps asynchronous.
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