MC75A0停产通知，替代型号为MC67等
MC75AX Accessory Transition Timeline* Date
First RMA Request Date for Channel Returns：January 6, 2020
Last RMA Request Date for Channel Returns：January 13, 2020
Last Channel Return Date：February 13, 2020
Last Book Date**：March 31, 2020
Last Ship Date：June 30, 2020
End of Engineering Support Date：N/A
End of Service Date for Serviceable Items：N/A