The Mitel 9109-010-003-NA ONS blue BONS Line Card 12 CCT SX-200 is a component designed for the Mitel SX 200 phone switching system. This line card features 12 CCT (Circuit Card Trunk) ports and is specifically labeled as the blue BONS line card. It is intended for use in office and business environments to expand the capabilities of the Mitel SX 200 system.