Quarter-inch tape status lights

This topic shows the status lights for the MLR3 and MLR1 tape units and provides information for interpreting the display.


The MLR1 or MLR3 tape unit

The symbols that are located next to the status lights are the International Organization for Standardization (ISO) symbols that define the general function of the status lights as follows.

Symbol Definition
A Ready. This light indicates the following conditions:
  • Off - No cartridge installed or no fault condition
  • Green - Cartridge installed, loading or unloading
  • Green flashing - Power on self-test in progress
B Activity. This light indicates the following conditions:
  • Off - No cartridge installed. No activity or fault condition
  • Green flashing - Cartridge activity
C Fault. This light indicates the following conditions:
  • Off - No fault condition
  • Amber - Cleaning required or worn tape media
  • Amber flashing - Fault condition

The various on/off combinations of the status lights are shown in the following figure.


Status lights on the MLR1 and MLR3 tape units
Parent topic: Status lights