Hitachi GR4000 Series Installation Manual page 59

Name Type or color
ERROR
LED：Yellow
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/
LINE ERR Yellow
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.
The status of some actions related to BCU is indicated by the LED on the front
NOTE
panel of the device. See the section "1.1 Chassis" for its outer appearance, etc.
*
520-10-014-20X
Role
Shows a partial
error in 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（10BA
SE-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.
GR4000 Installation Guide Version 1.00 - Preliminary
Action Status
ON: A partial error was found in a device.
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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