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CUDN Connection

Information For Users Of The Service Catalogue

The University IT Service Catalogue will be decommissioned in the Summer of 2021. This website is no longer being maintained.  

For the most up-to-date information regarding IT Services at the University of Cambridge, please visit:

The Institutional Network Connection (or pop switch) connects an internal institutional data network to the rest of the Cambridge University Data Network (CUDN) and the outside world, via JANET. It is available in a number of speeds and connection types.

Features and Benefits

Features & Benefits 

This essential service is required for any institution that wishes to connect local IT infrastructure to the CUDN. The link is provided via a UIS managed point-of-presence (POP) switch.

  • The connection is maintained, supported and monitored by UIS.
  • The pop switch hardware is rented to the Institution and remains the property, and responsibility, of UIS.

The CUDN connection can be offered with a variety of options:

  • 1G uplink.
  • 10G uplink - with a mixture of 10G, 1G, or a mixture of 10G and 1G downlink ports available for the customer.
  • UPS support
  • Redundant power supplies
  • BGP (requires additional local network configuration)

The CUDN connection automatically comes with:

  • Dual uplinks for redundancy
  • PoE ports for access ports or telephones (on 1G copper ports only)

How Much Does It Cost?

How much does it cost? 

The CUDN connection charge is an annual charge, billed in advance, for August through to July of the following calendar year. The current charges are listed on the CUDN Connection Prices page.


How Do I Get This Service?

How do I get this service? 

Please email for all enquiries.

How Quickly Can I Get This Service?

How quickly can I get this service? 

Delivery lead time depends on the nature of the request and whether any development work is required. Time scale to be agreed in a tailored service delivery plan for new clients.

Support Details & Contact Information

Support Details & Contact Information 

Available Service Hours

When is this service available? 

The service is available 24/7.

Supported Service Hours

Supported Service Hours 

Monday, Tuesday, Thursday: 9am – 5pm

Wednesday: 10am  – 5pm

Friday: 9am – 4.30pm

Service supplier