ETSI Rack Mount Kit for Cisco NCS 55A2 Routers. Cisco Part Number: N55A2-RCKMNT-ETSI (SKU 21253284, EAN 0889728221863). The mechanical installation accessory is used to mount the Cisco NCS 55A2 chassis on shelves according to the ETSI standard.

• Common kit contents: left/right shelf brackets, mounting screws (M4/M5 as required), grounding washer, rack/rail support instructions.
• Material: steel (standard).
• Color: black (standard).
• The product is a passive mechanical accessory — without electrical specifications.

For installation procedures and compatibility details, refer to the Cisco NCS 5500 hardware installation guide.