Hardware Requirements
Polar
iSMARTtrain supports the following Polar Heart Rate Monitors: CS200, CS200cad, RS200, RS200sd, S410, S510, S520, S610, S625x, S710, S720, S725, S725x & S810.
On a Mac, you need a Polar IR-Serial interface and a USB-Serial converter to use the IR models, and a compatible microphone for the SonicLink models.
SRM
On a Mac, to use the SRM Power Computer with a serial cable, you need a USB-Serial converter. To use the USB cable, you need to install the Mac drivers from here.
Ergomo
On a Mac, to use the Ergomo with a serial cable, you need a USB-Serial converter.