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== Optical devices

=== ROADM
The ROADMs located in the CRF Datacenter (Mudd 4th Floor, Columbia) are [https://www.calient.net/products/s-series-photonic-switch/ Lumentum ROADM Grayboxes].

=== Calient Space Switch
The space switch located in the CRF Datacenter is a [https://www.calient.net/products/s-series-photonic-switch/ Calient S320].

=== Comb Source