MITEL SX-200 Network Service Unit (NSU) (50003900)BRAND: MITEL MODEL: SX 200 Network Service Unit (NSU) (50003900) COLOR: BLACK CONDITION: USED PULLED FROM WORKING ENVIRONMENT COMES WITH POWER SUPPLY R2V3 Functionality and Cosmetic rating is F3 C4 for this product, Key functions working and used good condition. 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 store return