Toshiba V Series Operation Manual page 23

The functions of these parts are shown below.
(1) Status indicator LEDs
These LEDs display operating status, etc. as shown in Table 2-1.However, RUN and
HLTH on the FN module depend on the combination of two LEDs as shown in Table
2-2 below.
Table 2-1 Status Indicator LEDs and the Meanings of their Indications Name of LED
Name of
LED
RUN
(green)
HLTH
(green)
L-A
(green)
L-B
(green)
6F8C0878
Hardware operation display
ON: Running
Blink: Watchdog timer (Hardware error detecting function) disabled
OFF: Down
Module status display
ON: Operation normal
Blink: Network parameter setting mode (Set using RUN mode setting
switch:See Chapter 3.)
OFF: Down
Ethernet bus A status display
ON or blink: Transmitting
OFF: Transmission stopped
Ethernet bus B status display (EN721 and EN741 and EN761 and
FN711 only)
ON or blink: Transmitting
OFF: Transmission stopped
Display
2
Normally
ON
ON
ON or blink
ON or blink
9