help needed with breakout board

[terry1956]

hi chaps. just unpacked a second hand machine which I saw working ok. wired it up and the motors are not turning.
the PC is running windows XP and mach3 all ok. there is a power supply that's working ok and three motor controllers that show green leds. between the PC and motor controllers is a USB breakout board and this is showing a red LED. now I am not show if the breakout board is at fault as I don't know how to check it or what make it is.
so can anyone please let me know how to check the board, is the red LED a sign of bad or good news ? what make is the board ?
what do I need to do to make this work ??