Cisco HWIC-1T1/E1 WAN Interface Card Networking Expansion Module
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Why HWIC-1T1/E1 Cisco 2.05 MBPS WAN Interface New is the best?

Availability: In Stock
Part Number#: HWIC-1T1/E1
List Price was: $531.30
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Short Description:
HWIC-1T1/E1 2.05 Megabit Per Second Wide Area Network Interface Card Expansion Module for Cisco 1861/1861 Unified Communications Bundle – High-Speed WAN Interface Card | Made by Cisco | New Factory Sealed

Interface Types of This Product: Expansion Module Other

Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days
We are giving specifications below, why one should consider procuring Cisco Other Expansion Module Networking features, a general overview, description, performance specification, relevant images, a competitive price infographic, and technical information about the HWIC-1T1/E1 model with compatibility.

Troubleshooting and Maintenance

The HWIC-1T1/E1 is a Cisco High-Speed WAN Interface Card (HWIC) that provides a single T1/E1 connection to a network device such as a router. To troubleshoot and maintain the HWIC-1T1/E1, you can follow these general steps:

  • Verify HWIC-1T1/E1 installation: Check that the card is properly installed in the router and that the router is recognizing the card. You can use the "show interface" command to check the status of the card.
  • Check physical connections: Ensure that the T1/E1 cable is properly connected to the HWIC-1T1/E1 and that the other end of the cable is connected to the correct device.
  • Check cable quality: Verify that the T1/E1 cable is not damaged or faulty. You can use a cable tester to test the cable.
  • Check configuration: Ensure that the HWIC-1T1/E1 is properly configured in the router. You can use the "show running-config" command to check the configuration.
  • Check for errors: Check for errors on the interface using the "show interface" command. Errors such as CRC errors or framing errors could indicate a problem with the HWIC-1T1/E1 or the cable.
  • Monitor performance: Monitor the performance of the HWIC-1T1/E1 using tools such as Cisco's Performance Monitor or third-party network monitoring tools. This can help identify performance issues and potential problems.
  • Upgrade firmware: Check for firmware updates for the HWIC-1T1/E1 and upgrade if necessary. This can help resolve known issues and improve performance.
  • Replace faulty hardware: If the HWIC-1T1/E1 or T1/E1 cable is faulty, it may need to be replaced. Contact Cisco support or your hardware vendor for assistance.

By following these steps, you can troubleshoot and maintain the HWIC-1T1/E1 to help ensure optimal performance and reliability.

Use Cases and Applications

The HWIC-1T1/E1 Cisco expansion module is a type of high-speed WAN interface card (WIC) designed to provide connectivity to T1/E1 networks. It can be used with Cisco routers that have an available WIC slot to expand their connectivity options.

Here are some common use cases and applications of the HWIC-1T1/E1 Cisco expansion module:

  • WAN connectivity: The HWIC-1T1/E1 module can be used to connect Cisco routers to T1 or E1 networks, which are commonly used for WAN connectivity in enterprise networks. This allows for high-speed data transfer over long distances, making it ideal for businesses that need to transfer large amounts of data between multiple locations.
  • Voice over IP (VoIP): The HWIC-1T1/E1 module can also be used to support VoIP applications, which require high-speed and reliable connectivity. This is particularly useful for businesses that rely heavily on voice communications, such as call centers or customer service departments.
  • Data backup and recovery: The HWIC-1T1/E1 module can also be used for data backup and recovery purposes. With its high-speed connectivity, it can transfer large amounts of data quickly and reliably, making it ideal for disaster recovery scenarios or data backup to off-site locations.
  • Video conferencing: The HWIC-1T1/E1 module can also be used to support video conferencing applications, which require high-speed and reliable connectivity to ensure a smooth and uninterrupted communication experience.

Benefits and Advantages

The HWIC-1T1/E1 is a high-speed WAN interface card (WIC) expansion module for Cisco routers. This module provides a flexible and cost-effective solution for connecting to T1/E1 WAN links, which are commonly used in businesses and service providers for connecting to the Internet and other remote sites.

Some benefits and advantages of using the HWIC-1T1/E1 module include:

  • High-Speed Connectivity: The HWIC-1T1/E1 module supports T1 and E1 links, which can provide speeds of up to 1.544 Mbps and 2.048 Mbps, respectively. This high-speed connectivity is essential for businesses and service providers that need to transfer large amounts of data quickly.
  • Flexibility: The HWIC-1T1/E1 module is designed to work with a wide range of Cisco routers, providing flexibility in terms of deployment and compatibility. This makes it easier for businesses to add new WAN links or upgrade their existing ones without having to replace their routers.
  • Cost-Effective: The HWIC-1T1/E1 module is a cost-effective solution for connecting to T1/E1 WAN links. It eliminates the need for dedicated hardware or additional equipment, which can be expensive to purchase and maintain.
  • Improved Productivity: The high-speed connectivity provided by the HWIC-1T1/E1 module can help improve productivity by enabling faster data transfers, improved communication, and faster access to cloud-based applications.
  • Scalability: The HWIC-1T1/E1 module can be scaled up or down as needed to accommodate changes in network traffic or business needs. This makes it easier for businesses to grow and expand their networks without having to replace their existing hardware.

General Information

  • Manufacturer: Cisco Systems, Inc
  • MPN: HWIC-1T1/E1
  • Product Name: T1/E1 High Speed WAN Interface Card
  • Product Type: HWIC
  • SKU: HWIC-1T1/E1

Technical Information

  • Application/Usage: Wide Area Network

Interfaces / Ports

  • Interfaces/Ports Details: 1 x RJ-48C T1/E1 WAN

Media & Performance

  • Maximum Data Transfer Rate: 2.05 Mbit/s


  • Additional Information-
  • Cisco IOS Software configurable for T1 or E1 operation
  • Integrated CSU/DSU per port
  • Controller remote loopback
  • CSU loopback modes for T1 CSU
  • Data terminal equipment (DTE) loopback
  • Network loopback


  • Cisco 1861 Integrated Services Routers


  • Width: 3.1 Inch
  • Depth: 4.4 Inch

For all your expansion module needs, we've got you covered with high-performance devices that increase functional capability and ease business processes.

You can talk to any of our staff and consult on what would be the best way forward when getting an expansion module to complement and enhance existing infrastructure, meet your immediate and future needs.

We have hardware level 12 with firmware 3.0 or higher modules that allow for the installation of up to 14 expansion modules below the base module for resilient performance. Expansion modules connect to the base module using USB Type-A connectors. That's not all, we have hardware level 11 and lower that supports up to 9 expansion modules.

With an expansion module, you get additional cartridge storage as well as tape drive capacity. We have expansion modules that contain up to two drives and two power supplies. You can choose to have the expansion module with tape drives and power supply installed so that it makes setup easier from your end. Expansion modules will need a power supply only if you install a tape drive in it. A single power supply can actually power two drives. However, you can add a second power supply for redundancy purposes. Without a tape drive, the expansion module is powered via the USB cable connected to the base module.

Expansion modules require 2U rack space and will be shipped with the necessary mounting hardware used to secure it to the rack.

The top features of the expansion modules we've listed include:

  • High-resolution LCD screens of up to 5" with backlight for a vibrant visual experience and ease of use. The expansion modules have programmable line keys ensuring that the interface is intuitive and interactive.
  • Straightforward setup to facilitate easy installation.
  • Availability of a wide range of custom configurations
  • Advanced call handling and contact management capabilities to help increase productivity.
  • XML browser functionality
  • Compatibility across systems which helps to leverage on existing IT infrastructure investment. All the expansion modules we've made available will help to enhance your existing desktop solutions.
  • Seamless fusion with planar and fiber technology
  • Compatibility with phone models such as SIP-T27P and SIP-T29G helping to expand functionality.
  • Availability of color icons that enhance the visual experience for users. There are color-coded independent actionable control keys that facilitate fast switching between pages.
  • Ability to link together a maximum of six phone systems and up to two expansion modules from a single host phone.
  • Support for up to 3 modules on a daisy-chain
  • Reduced excess loss and PDL
  • Support for advanced call functions including call forwarding, call transfers, multi-person conferencing, call pickup, LDAP, speed dial, and BFL list.
  • Shipped with a stand that has two adjustable angles

You can find almost every module option in our catalog, we have modules with different numbers of ports, from 1-port options to 50- and 90-port options, you can also check out our 20 Gigabit, 48 Gigabit, and 100 Gigabit expansion modules. Browse through our categories to find the best option for your needs.

All expansion modules make for ideal solutions for administrative assistants, receptionists, and contact center employees due to the ability to easily manage large call volumes and to monitor a large number of contacts.

Here, you can check more available conditions of your desired product HWIC-1T1/E1 at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

Free Technical support on purchased items, our expert consultancy over the phone, by email, by live chat, or by remote login.


Shipping Options and Estimated Delivery Time

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Estimated delivery time: 4-7 business days

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UPS Next Day Air® First Overnight - Early A.M
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UPS® First Overnight - Saturday
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FedEx Shipping Options:

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FedEx Express Saver®
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FedEx Standard Overnight®
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FedEx Priority Overnight®
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FedEx First Overnight®
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Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
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