CIENA -USED- CN-M6-FLEX EM6 FLEXPORT PRNCDBrand: CIENA Model: CN M6 FLEX Description: Ciena CN M6 FLEX F is a multi service module with six SFP ports, an integrated CPU, and compact flash memory backup EM6 FLEXPORT PRNCD Part Condition Used WORKS AS EXPECTED 30 Day Money Back Guarantee With Seller Paid Return Shipping Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or