i cable ECG & IBP. 1/4″ phone plug outputs of the MAGUIRE 257 Series Multiplier or MAGUIRE 414 Series Boom Cabling System to the Edwards Vigilance II or Hemosphere, 1/4″ two circuit red phone plug AUX ECG input and 1/8″ (3.5mm) green two circuit phone plug IBP input.  Maguire Interconnect Systems are designed to deliver synchronized waveforms and simultaneous signal transfer onto multiple device displays. Learn how these low cost products simplify patient setup, reduce cable clutter and enhance any physiologic monitoring system.