Cisco WIC-1DSU-T1-V2= 1 Port Interface Card
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WIC-1DSU-T1-V2= Cisco 1 Port WAN Interface Card Refurbished

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Part Number#: WIC-1DSU-T1-V2=
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Short Description:
WIC-1DSU-T1-V2= 1 Port 1.544 Megabits Per Second (MBPS) FT1, 56Kbps to 64Kbps Fast Ethernet, T1/fractional T1 DSU/CSU Plug-in Module WAN Interface Card | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

More Information to Cisco WIC-1DSU-T1-V2= WAN Interface Card

The Cisco WIC-1DSU-T1-V2= is a 1-port expansion module for certain Cisco routers. The "WIC" in the name stands for "WAN Interface Card," which means that this module provides an additional WAN interface for connecting to a T1 line. The "1DSU-T1" part of the name indicates that this is a single-channel T1 interface, and the "V2" suggests that it is version 2 of the product. This expansion module can be inserted into the router to provide additional connectivity options and increase the router's overall functionality. It is designed to work with a specific set of Cisco routers, so it may not be compatible with all routers. The Cisco WIC-1DSU-T1-V2= is a specialized module designed to provide connectivity and networking capabilities for Wide Area Networks (WANs). As a WAN Interface Card (WIC), it offers a range of functionalities and features essential for establishing reliable and high-speed connections between different networks or locations.

Understanding the Port and Speed Specifications

This particular WIC-1DSU-T1-V2= module comes equipped with:

  • 1 Port: It has one physical port used for connections.
  • 1.544 Megabits Per Second (MBPS): This denotes the data transfer rate supported by the module, specifically at 1.544 Mbps. This speed is often associated with T1 lines, which are widely used for digital transmission services.
  • FT1: Indicates compatibility with Fractional T1 (FT1) lines, allowing for flexible utilization of T1 bandwidth based on specific needs.
  • 56Kbps to 64Kbps Fast Ethernet: This range signifies the data transfer speeds achievable through Fast Ethernet connections, typically varying between 56,000 bits per second (56Kbps) to 64,000 bits per second (64Kbps).

T1/Fractional T1 DSU/CSU Functionality

  • T1 DSU/CSU: The WIC-1DSU-T1-V2= serves as a T1 Data Service Unit (DSU) and Channel Service Unit (CSU). These are crucial components for T1 lines, responsible for establishing and maintaining connections while ensuring proper signal integrity and quality.
  • T1/Fractional T1: The module supports both T1 and Fractional T1 configurations. T1 lines provide digital transmission capabilities, while Fractional T1 allows for a portion of the T1 line's bandwidth to be utilized, offering flexibility in bandwidth allocation.

Plug-in Module for WAN Connectivity

As a plug-in module, the WIC-1DSU-T1-V2= can be easily inserted into compatible Cisco devices, such as routers or switches, to enable WAN connectivity. This plug-and-play functionality facilitates the integration of the module into existing networking infrastructure without complex installation procedures.

Benefits and Features

The Cisco part is a 1-port expansion module that provides several benefits and features when used with compatible Cisco routers. Some of the key benefits and features of this module include:

  • High-speed connectivity: This part provides data transfer rates of up to 1.544 Mbps, which can be useful for connecting to a wide area network (WAN) or for using bandwidth-intensive applications like video conferencing.
  • T1 Framing Support: This model is capable of supporting multiple T1 framing formats such as D4 and ESF for flexibility in network topologies and compatibility
  • CSU/DSU functionality: This product has embedded CSU/DSU functionality, allows provisioning, and testing of T1 lines without the need for external CSU/DSU devices
  • Loopback tests: The part provides the ability to perform loopback tests on the T1 line, this allows the ability to isolate and troubleshoot issues on the circuit


The Cisco WIC-1DSU-T1-V2= is designed to provide reliable connectivity over T1 lines when used with compatible Cisco routers.

The module has several features that enhance its reliability, such as:

  • Error detection and correction: This product supports advanced T1 line coding schemes such as B8ZS that detect and correct errors in the data transmitted over the T1 line, which helps to ensure that the data is transmitted reliably.
  • Loopback tests: This product provides the ability to perform loopback tests on the T1 line, which allows administrators to isolate and troubleshoot issues on the circuit. This is a key feature that can help increase reliability by identifying problems and resolving them quickly.
  • Alarm: This product has an alarm indicator that allows the identification of a variety of alarm conditions such as loss of signal, loss of frame, AIS, and Remote alarm, which assist in monitoring the health of the T1 link
  • Quality of Service (QoS): This product supports QoS, which allows administrators to prioritize different types of traffic, ensuring that critical traffic gets priority over less important traffic. This helps to ensure that the most important data is transmitted reliably.
  • Remote management: This product can be remotely managed, allowing administrators to configure, monitor, and troubleshoot the module remotely. This allows for quick response to any issues that may arise, reducing downtime and increasing reliability.

General Information about this Cisco WIC-1DSU-T1-V2=

  • Manufacturer: Cisco
  • Model Number or SKU# WIC-1DSU-T1-V2=
  • Device Type: Expansion Module

Interfaces/Ports for 1 Port Interface Card

  • Interfaces/Ports: 1 x T1/FT1 WAN
  • Product Type: WAN Interface Card
  • Interfaces/Ports Details: 1 x RJ-45 T1/FT1 WAN

Performance of 1.544Mbps Interface Card

  • Data Transfer Rate: 1.544Mbps FT1
  • Data Transfer Rate: 56Kbps to 64Kbps Fast Ethernet

Controls/Indicators for Expansion Module

  • Status Indicators:
  • LEDs:
  • CD (data carrier detect)
  • LP (loopback)
  • AL (alarm)


  • Telnet/console: Remote and local configuration, monitoring, and troubleshooting from Cisco IOS CLI
  • SNMP: Router and DSU/CSU managed by a single SNMP agent; router, DSU, and CSU appear as a single network entity to the user
  • Standard MIB (MIB II)
  • Cisco integrated DSU/CSU MIB
  • RFC 1406
  • SNMP traps: Generated in response to alarms
  • Regulatory Compliance: FCC Part 15 Class B
  • TIA/EIA-IS-968
  • Industry Canada CS-03 Part II
  • JATE Digital
  • CAN/CSA-C22.2 No. 60950-00
  • UL 60950-2000
  • IEC/EN 60950
  • TS001
  • AS/NZS 3260
  • NEBS Type I/III
  • Standards: AT&T Pub 62411
  • ANSI T1.403

Environmental Parameters

  • Operating temperature: 0 to 40ºC (32 to 104°F)
  • Storage temperature: -20 to 65ºC (-4 to 149°F)
  • Relative humidity: 10 to 85 percent Noncondensing operating; 5 to 95 percent Noncondensing, Nonoperating
  • Cisco 1711, 1712, 1720, 1721, 1721 VPN Security, 1751, 1751 VPN Bundle, 1751-V, 1760, 1760 VPN Bundle, 1760-V,
  • 1760-V3PN Bundle, 1841, 1841 ADSL over ISDN Bundle, 1841 ADSL over POTS Bundle, 1841 ADSL over POTS Bundle w/Dying Gasp,
  • 1841 Security Bundle, 2610XM, 2610XM Terminal Server Bundle, 2611XM, 2611XM VPN Bundle, 2620XM, 2621XM,
  • 2621XM VPN Bundle, 2621XM-ADSL Router Bundle, 2650XM, 2651XM, 2651XM VPN Bundle, 2651XM-V, 2651XM-V-SRST,
  • 2691, 2801, 2801 DSL Bundle, 2801 Enhanced Security Bundle, 2801 Security Bundle, 2801 V3PN Bundle, 2801 Voice Bundle,
  • 2811, 2811 Enhanced Security Bundle, 2811 Security Bundle, 2811 V3PN Bundle, 2811 Voice Bundle, 2821, 2821 Security Bundle,
  • 2821 V3PN Bundle, 2821 Voice Bundle, 2851 Security Bundle, 3631, 3725, 3725 Access Router Content Engine Security Bundle,
  • 3725 Access Router IDS Security Bundle, 3725 BRI Dial Bundle, 3725 PRI Dial Bundle, 3725 VPN Security Bundle, 3735, 3745,
  • 3745 VPN Bundle, 3745 VPN Security Bundle, 3825, 3825 Integrated VoiceVideo, 3825 Security Bundle, 3825 V3PN Bundle,
  • 3825 Voice Bundle, 3845, 3845 Security Bundle, 3845 V3PN Bundle, 3845 Voice Bundle Cisco ICS 7750

In summary, the Cisco WIC-1DSU-T1-V2= WAN Interface Card stands as a pivotal component in networking infrastructure, offering versatile connectivity, fast data transfer, and reliable signal processing. With its support for T1 and fractional T1 connections, Fast Ethernet compatibility, and DSU/CSU functionalities, this module serves as an essential link in facilitating efficient and seamless data transmission across wide-area networks.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

Here, you can check more available conditions of your desired product WIC-1DSU-T1-V2= 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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