> For the complete documentation index, see [llms.txt](https://docs.glesys.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.glesys.com/products/connectivity/network-services/cross-connect/service-description.md).
# Service description
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A cross-connect is a duplex fiber circuit that links a pair of customer ODF ports or connects a pair of customer ODF ports to a third-party fiber demarcation (Stokab, Telia Wholesale, Tele2, etc.).
### Technical specification
Type of cross-connect
SMF (Single-Mode Fiber)
Diversity options
Diversity support for Cross Connect deployments depends on the availability of a diverse route to the Meet-Me-Room from the customer's environment.
### Service Level Agreement
As this is a purely passive product, proactive monitoring is not possible. Service outages are measured from the moment the outage is reported to Glesys by the customer.
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