How to monitoring MikroTik Devices?? Performance Monitors

How to monitoring MikroTik Devices?? Performance Monitors

Hi all!
I have many MikroTik RB750 devices. But default MIB and DeviceTemplate of Opmanager can monitoring only Availability, Response Time, and ports in device. 
How to monitoring CPU, Memory and other Performance Monitors of router???

                New to ADSelfService Plus?