https://gazettabyte.com/2016-3-23-ciena-enhances-its-6500-packet-optical-transport-family-html/
Ciena enhances its 6500 packet-optical transport family - Gazettabyte
Mar 23, 2016 - Ciena has upgraded its 6500 family of packet-optical transport platforms with the T-series that supports higher-capacity electrical and optical switching and...
packet optical transportcienafamily