The Ciena 170-3930-900 1RU Rack Carrier Ethernet Service Delivery Switch is a fully managed Ethernet switch designed for enterprise networking. It provides Gigabit Ethernet technology with a maximum LAN data rate of 1000 Mbps/1 Gbps, allowing for fast and reliable network connectivity. With six LAN ports and the ability to support SFP interfaces, this rack-mountable unit is ideal for organizations looking to enhance their network infrastructure with a high-quality, high-performance switch.
Working when taken out of service 2 years ago. Powered up when posted but not fully tested.

• Form Factor: 1U rackmount (17.5" W × 9.9" D × 1.75" H; 11.0 lbs / 5.0 kg)
• Network Interfaces:
  • Two (2) 1G/10G SFP+ network/NNI ports
  • Four (4) 100/1000 Mbps SFP UNI ports
  • Four (4) combo 10/100/1000 RJ-45 / SFP UNI ports
• Capabilities: Advanced Quality of Service (QoS) with 8 queues per port, MEF CE 2.0 certification, G.8032 ring resiliency, and OAM service monitoring (Y.1564, RFC 2544, TWAMP, CFM).