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Safety Guide [IP8800/S6600]
xxvi
■ Do not power off the device during software update (when the ppupdate command
is being executed).
• By the execution of the ppupdate command, the device automatically restarts. Do not power off the device
during restart (until the STATUS LED on the control swithcing unit changes from blinking in green into steady
light). The device may be damaged.
■ Handle a memory card with care.
• Do not forcedly push or flip a memory card to insert. Do not forcedly pull out a locked memory card to remove.
Otherwise, the connector of the memory card slot may be damaged.
• Remove a memory card to reposition the device. Moving the device may cause force against the memory card,
which can damage the connector of the memory card slot.
■ Do not remove the memory card or disconnect power while the ACC LED is lit.
• Lighting of the ACC LED on the basic switching unit indicates that the memory card is being accessed. Do not
remove the memory card or disconnect power during access. The memory card may be damaged. Some
commands require a considerable time before completing access to the memory card after the entry of the
commands. Ensure that access is completed and then remove the memory card or disconnect power.
■ Do not attach a label or the like to the transceivers.
• The transceiver has a label indicating its manufacturer and that it is our standard supply. However, this label is
attached to the part that does not obstruct heat radiation from the transceiver or the mechanism preventing
slip-off from the cage. If a label or the like is attached to such an obstructing part, the transceiver or the network
interface module may be damaged.
■ For the power supply equipment, considerations must be given not to cause voltage
drop due to rush current.
• When this device is powered on, a rush current flows. Considerations must be given not to cause voltage drop
due to such a rush current. The voltage drop affects not only this device but other devices connected to the
same power supply equipment.
■ When installing/uninstalling the power cable, turn off the power switch.
• To install or uninstall the power cable, turn off the switch on the power supply to be installed or uninstalled.
■ When replacing the fan unit while the device powered on, complete the task within
the specified duration of time.
• When replacing the fan unit while the device powered on, complete the entire task from removal to installation
within one minute. If it takes more than one minute, other modules may be affected by temperature rise in the
device.
CAUTION