Masimo ROOT

Masimo ROOT

⚠️ Compatible USB-Serial converters are limited. Confirmed working: NEXT USB 2.0 to SERIAL converter [NEXT-RS232U20]. Purchase link Complete device configuration BEFORE connecting cables.

CableAdapterPortUSB Baud RateOutput ProtocolVR Device Name
Masimo USB data cable (preferred)NoneUSB1 or USB219200ASCII 1Root

Rainbow Sensor: Always turn on Radical-7 first, then turn on ROOT. If only ROOT is on: turn off ROOT → turn on Radical-7 → turn on ROOT.

Device Configuration

  1. Navigate to DEVICE SETTINGS → ACCESS CONTROL. Enter password 6274.
Access Control
  1. Set USB Port 1 baudrate and USB Port 2 baudrate → 19200.
USB Port baudrate = 19200
  1. Navigate back → DEVICE OUTPUT.
  2. Set USB Port 1 and USB Port 2 → ASCII 1.
ASCII 1 for both USB ports
  1. Hold power button (bottom right, >8 seconds) to power off → power on again.

Connection Steps

ROOT — USB port connection

In Vital Recorder, press Add Device → Masimo ROOT → assign to the new COM port.

PiVR Ethernet Connection (Optional):

  1. Navigate to Device Settings → ETHERNET → ETHERNET ON.
  2. Connect a LAN cable from the LAN port on the rear of ROOT to the LAN port of PiVR.
LAN cable connection (ROOT → PiVR)