Toshiba V Series Operation Manual page 22

Chapter 2 Names of Parts and their Functions
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The functions of these parts are shown below.
(1) Status indicator LEDs
These LEDs display operating status, etc. as shown in Table 2-1.
Table 2-1 Status Indicator LEDs and the Meanings of their Indications Name of LED
Name of
LED
RUN Hardware operation display
(green) ON: Running
Blink: Watchdog timer (Hardware error detecting function) disabled
OFF: Down
HLTH Module status display
(green) ON: Operation normal
Blink: Network parameter setting mode (Set using RUN mode setting
switch:See Chapter 3.)
OFF: Down
L-A Ethernet bus A status display
(green) ON or blink: Transmitting
OFF:
L-B Ethernet bus B status display (EN621 and EN641 only)
(green) ON or blink: Transmitting
OFF:
(2) Transmission status indicator LEDs
These LEDs are with the Ethernet connectors of EN651, EN651A, and EN661.
Table 2-2 Transmission Status Indicator LEDs and the Meanings of their Indications Name of LED
Name of
LED
L-A Ethernet status display of bus A
(yellow) ON or blink: Transmitting
OFF: Transmission stopped
LINK-A Ethernet status display of bus A
(green) ON: Hardware connected normally
OFF: Hardware connected abnormally
L-B Ethernet status display of bus B (EN661)
(yellow) ON or blink: Transmitting
OFF: Transmission stop
LINK-B Ethernet status display of bus B (EN661)
(green) ON: Hardware connected normally
OFF: Hardware connected abnormally
(3) Ethernet Connectors (EN-A, EN-B)
These are Ethernet communication ports. Connect AUI cables to them in case of the
EN611, EN621, EB621 (10BASE5) modules, or coaxial cables to them in case of the
EN631, EN641, EB641 (10BASE2) modules, or twisted pair cables to them in case of
the EN651, EN661 (100BASE-TX, 10BASE-T) modules, or twisted pair cables to
them in case of the EN651, EN651A, EN661 (100BASE-TX/10BASE-T) modules.
Display
Transmission stopped
Transmission stopped
Display
Normally
ON
ON
ON or blink
ON or blink
Normally
ON or blink
ON
ON or blink
ON
model 2000 Ethernet Module Operation Manual