Troubleshooting guide

1. Overview
4
#1: The BCU, CSU, or MSU can be turned off by the Inactivate operation from the system
operation panel or by entering a command from the operation terminal.
#2: The button is pushed down below the front panel. Use a screwdriver with a small head to press
the button.
#3: If you press the button for one second or less, the switch might not be reset.
#4: After a restart, a login password and an administrator password are no longer required.
Therefore, be especially careful if you restart the unit with this method.
#5: The system can be switched only if you press the ACH button on the BCU, CSU, or MSU of
the active system.
#6: This LED is always off for the MSU (for AX6300S series switches) and for the BCU with a
software version earlier than 11.1 (for AX6700S series switches).
#7: This LED only shows the power mode of an active BCU or CSU.
#8: Cable disconnection is also included.
#9: You can stop operation by entering a command.
Figure 1-1: Example layout of the front panel
8 SYSTEM1 LED: Green,
orange, or red
Status of the switch Green: The switch is available for operation.
Orange: A partial switch fault has been detected.
Red: A switch fault has been detected.
9 SYSTEM2 LED: Green,
orange, or red
Power mode status
#6#7
Green: Power saving mode
Blinking green: Changing power mode
Off: Normal power mode
Orange: Not supported
Red: Not supported
10 AUX Connector AUX port RS-232C port for connecting an operation
terminal
11 CONSOLE Connector CONSOLE port RS-232C port for connecting an operation
terminal
12 MANAGE
MENT
Connector MANAGEMENT port 10BASE-T/100BASE-TX Ethernet port for
connecting an operation terminal
13 LINK LED: Green or
orange
Operating status of the
MANAGEMENT port
Green: A link has been established.
Orange: A fault has been detected.
Off: A link failure occurred
#8
or operation has
stopped.
#9
14 T/R LED: Green Operating status of the
MANAGEMENT port
Green: A packet is being transmitted.
Off: No packet is being transmitted.
No
.
Name Type Status Description