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Cisco SM25-56K4 4-Wire 56Kbps DSU/CSU Module for 2524/2525 Routers

Cisco SM25-56K4 4-Wire 56Kbps DSU/CSU Module for 2524/2525 Routers

SKU: SM25-56K4

The Cisco SM25-56K4 is a reliable DSU/CSU module designed to enhance network performance in Cisco 2524 and 2525 routers. It provides a 4-wire, 56Kbps digital connection, ideal for small to medium-sized business applications requiring high stability and consistent throughput. This module simplifies the integration of your Cisco router into existing networks, providing robust connectivity solutions. With the SM25-56K4, users can expect secure data transmission, making it an excellent choice for critical business communications and network infrastructure expansion.

Features

  • Compatible with Cisco 2524 and 2525 Routers
  • 4-Wire 56Kbps DSU/CSU Module
  • High-performance network connectivity
  • Enhances router capabilities with integrated DSU/CSU functions
  • Supports data transmission speeds of up to 56 Kbps
  • Ideal for remote office or branch office applications
  • Ease of installation and configuration

Technical Specifications

  • Device Type: DSU/CSU Module
  • Supported Routers: Cisco 2524 and 2525
  • Transmission Rate: 56 Kbps
  • Line Type: 4-Wire
  • Interface Compatibility: Serial connections
  • Operation Mode: Synchronous
  • Data Link Protocol: Frame Relay, HDLC
  • Physical Dimensions: Modular form factor for slot installation
  • Operating Temperature: 0°C to 40°C (32°F to 104°F)
  • Storage Temperature: -40°C to 70°C (-40°F to 158°F)
  • Relative Humidity: 10% to 90% non-condensing
  • Power Requirements: From router chassis

Frequent Ask Questions
  • What is the Cisco SM25-56K4 4-Wire 56Kbps DSU/CSU Module?

    The Cisco SM25-56K4 is a 4-wire 56Kbps DSU/CSU module designed for use with Cisco 2524 and 2525 routers. This module enables high-speed digital leased line connectivity.

  • What routers are compatible with the Cisco SM25-56K4 module?

    The Cisco SM25-56K4 module is compatible with Cisco 2524 and 2525 routers.

  • What type of connectivity does the Cisco SM25-56K4 module support?

    The module supports 4-wire 56Kbps dedicated leased line connectivity.

  • How do I install the Cisco SM25-56K4 module on my router?

    To install the module, power off the router, insert the module into the appropriate slot, secure it, and then power on the router. Configuration via the router’s interface or console may also be required.

  • What are the key features of the Cisco SM25-56K4 module?

    Key features include high-speed 56Kbps connectivity, easy integration with Cisco 2524/2525 routers, and reliable performance for digital leased lines.

  • What is a DSU/CSU module?

    A Data Service Unit (DSU) / Channel Service Unit (CSU) module is a device used to connect a digital leased line to a router, providing necessary signal translation and ensuring proper data transmission.

Warranty and Extended Support Options
  • All products sold come with a 12 month return to base warranty.
  • For most products, we can also offer extended maintenance contracts, with options such as 24x7 support and an onsite engineer that can repair or replace your part within 2 hours.

Delivery and Logistics
  • Our stock is held in Botany, NSW, near major courier hubs and Sydney International Airport.
  • We offer advanced logistics solutions, such as:
    • same day delivery,
    • same day collection,
    • overnight delivery,
    • tailgate services,
    • data centre
    • and secure location deliveries, etc.
  • Our logistics team ensure every item is packed safe and secure, ensuring no damage occurs to your equipment, in fact, our customers often comment on how good our packing is, check out our ratings on trustpilot.

The XS Network Tech Difference

We are in independent network hardware distributor, our focus is on ensuring that our customers receive the correct tech solutions, at the best possible price, delivered as fast as possible.

We are real people, with a real passion for tech.

Our team endeavours to respond to all requests within 20 minutes or less (during business hours).

Our Stock

  • We have the largest independent stock holding in Australia.
  • We buy and sell network hardware. Our sources include excess gear from large projects, decommissioned customer gear and trusted national & international hardware partners and suppliers.
  • We stock brand new and used network hardware, including hard to find components, modules and accessories, as well as end of life items that are no longer available from manufacturers.

See more about our used goods procedures

Doing Business with Us

Corporate Accounts

Our corporate and government customers trade on corporate accounts, normally Net 30, we also accept Government P-Cards (subjects to T&Cs and approvals)

Prepaid Accounts

For prepaid accounts, we accept Electronic Funds Transfers (EFT) and credit card payment.

Logistics

  • Our stock is held in Botany, NSW, near major courier hubs and Sydney International Airport.
  • We offer advanced logistics solutions, such as same day delivery, same day collection, overnight delivery, tailgate services, data centre & secure location deliveries, etc.
  • Our logistics team ensure every item is packed safe and secure, ensuring no damage occurs to your equipment, in fact, our customers often comment on how good our packing is, check out our ratings on trustpilot.

Warranty and Extended Support Options

  • All products sold come with a 12 month return to base warranty.
  • For most products, we can also offer extended maintenance contracts, with options such as 24x7 support and an onsite engineer that can repair or replace your part within 2 hours.

Circular Economy - E-Waste Reduction

  • XS Network Tech is committed to extending the useful life of IT network hardware and accessories, contributing to a circular economy, and reducing e-waste.
  • Waste reduction is part of our company Ethos. Besides being a prominent second hand network equipment dealer, we also try minimise waste by re-using packaging and protective shipping insulation products wherever possible.

Trade In Excess Equipment

We purchase new and used networking equipment. We can offer direct payment, or credit towards your next purchase. Click here for more information.

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