Hitachi GR2000 - Manual (Page 163)

The NWT3-1C physically appears as Figure 3-53.
Figure 3-53 NWT3-1C Front Panel View
Switch and LED indication
Table 3-81 NWT3-1C switch and function of LED indications
Name LED: Color Status Content
STATUS LED: Green/
Yellow/ Red Shows the operating
condition of NIF. Green: Operable operation
Yellow: Blocking and the board replaceable state.
Green blinking: Under preparation (Program being
loaded.)
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