Troubleshooting guide

xlvi
cable coating, resulting in fire or electric shock.
• When connecting or disconnecting the power cable from the outlet, always hold the plug,
not the cable itself. Pulling the cable itself might cause the wires to break.
Do not touch the Switch directly if you have a metal allergy.
• The Switch is coated with zinc, nickel, gold, and other elements. Do not touch the Switch
directly if you have an allergic reaction to these metallic elements. Doing so might cause
eczema or skin irritation.
Avoid looking directly at laser beams.
• Network interface units with the following label attached use laser beams. Never look
directly into the optical transceiver.
Do not touch the SFP-T during operation and just after operation stops.
• During operation (when a link is established), the temperature of the SFP-T can rise to
65C. Do not touch the device while it is operating or just after it stops. Doing so could
result in burns.
• When you remove the SFP-T, use the following procedure. Failure to do so could result in
burns.
1. To remove the device when the Switch is turned on, execute the
inactivate command,
and then wait five minutes before removing the device.
2. To remove the device after turning off the Switch, turn off the Switch, wait five minutes,
and then remove the device.
• The following label is attached to the SFP-T.
Lithium battery
• The Switch has a lithium battery for the real-time clock. Incorrect handling of the lithium
battery could cause the battery to heat up, explode, or catch fire, resulting in injury or a
fire. Do not remove the battery from the Switch, disassemble it, heat it to 100C or higher,