Ciena 3902 Service Delivery Switch – Tested & WorkingThis Ciena 3902 Service Delivery Switch has been tested and is in good working condition.The unit has normal cosmetic signs of previous use, including minor scratches, marks, and surface wear. Please carefully review the photos, as they show the actual item you will receive.Features / Details:* Brand: Ciena* Model: 3902* Service Delivery Ethernet Switch* 10/100/1000 Ethernet RJ-45 port* 1 Gigabit SFP port* Console port* 5V DC power input* Tested and workingPart / Identification Number:170-3902-921 Rev. AIncluded:* Ciena 3902 unit onlyNOT Included:* Power supply / AC adapter* SFP optical transceiver* Ethernet cables* Console cable* Any other accessoriesImportant:Power supply is not included. Buyer will need a compatible 5V DC power adapter.You will receive exactly the item shown in the photos.Please contact me if you have any questions before purchasing.