Hitachi GR4000 Series Installation Manual page 57

Name Type or color
ALARM
LED：Red
POST
LED：Green
STATUS
7SEG：Green
CODE
MEMORY
LED：Green
CARD 0
ACC
MEMORY
LED：Green
CARD 0
PRI
MEMORY
LED：Green
CARD 1
ACC
MEMORY
LED：Green
CARD 1
PRI
LINK/ACT
LED：Green/Yell
ow
LINE ERR
T／R LED：Green
(Note 1)：When the lamp test switch is pushed, all the LEDs except those on the locked out boards are lit.
(Note 2)：If you are using a wrong type of a twisted-pair cable, there is a chance that the LED will be lit. If so, change the
twisted-pair cable to the correct type referring Chapter 3.
(Note 3)：Regardless of the state of the line, the LED will be lit if the system detects date being sent or received.
Because of this, there is a chance that the LED will be lit even if the cable is not connected on the destination side.
*
520-10-014-20X
Role
a device.
Shows the problem
affecting the entire body
of a device.
Shows the condition of
STATUS CODE.
Shows the condition of
a device. (7SEG,
decimal with 2 digits)
Shows the condition of
the memory card 0.
Shows the condition of
the memory card 1.
Shows the action status
of
CONSOLE（10BASE-
T/100BASE-TX）.
NOTE: The status of some actions related to BCU is indicated by the LED on the front
panel of the device. See the section "1.1 Chassis" for its outer appearance, etc.
NOTE:.Do not install optional components from a GR4000 or GS4000 into
devices other than another GR4000 or GS4000. Doing this causes a fire
or an electric shock.
GR4000 Installation Guide Version 1.00 - Preliminary
Action Status
ON: The problem affecting the entire body of a
device happened.
ON: STATUS CODE（7SEG）is showing the
initial diagnosis code of BCU.
OFF: STATUS CODE（7SEG）is showing FAULT
CODE.
ON: The code (00～99) to tell the condition of a
device is shown.（The code shows the different
contents when POST LED is lit.）
ON: The memory card 0 is being accessed. (Pulling
out the memory card from a device is
prohibited.)
OFF: The memory card 0 is being idled. (Inserting
or pulling out the memory card into or from a device
is allowed.)
ON: A device was started up as the primary.
OFF: A device was started up as the secondary.
Or the memory card 0 is not used.
ON: The memory card 1 is being accessed.
(Pulling out the memory card from a device is
prohibited.)
OFF: The memory card 1 is being idled. (Inserting
or pulling out the memory card into or from a device
is allowed.)
ON: A device was started up as the primary.
OFF: A device was started up as the secondary.
Or the memory card 0 is not used.
Green ON: Interface lines are working. (Note 2）
Yellow ON: A failure was detected in an interface
line.
Green ON: Packets are being
forwarded/received.（Note 3）
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